:root{--navy:#071a38;--navy2:#0b2449;--blue:#2458a6;--orange:#f17832;--cream:#f5f0e6;--paper:#fffdf8;--ink:#101c2e;--muted:#687384;--line:#dcd8cf;--mint:#84c6b1;--yellow:#f2c75c;--red:#d95752}
.rehearsal-progress,.rehearsal-result{margin-top:16px;padding:16px;border:1px solid #cbd6e1;border-radius:10px;background:#fff;color:#263b59}.rehearsal-progress>b,.rehearsal-result>b{display:block;font-size:14px}.rehearsal-progress-track{height:12px;margin:12px 0 8px;overflow:hidden;border-radius:10px;background:#e8edf2}.rehearsal-progress-track i{display:block;width:0;height:100%;border-radius:10px;background:linear-gradient(90deg,#395982,#4c927a);transition:width .3s ease}.rehearsal-progress>div:last-child{display:flex;justify-content:space-between;gap:10px;color:#607083;font-size:11px}.rehearsal-progress strong{color:#263b59}.rehearsal-result p{margin:7px 0;color:#617084;font-size:11px}.rehearsal-result button,.rehearsal-result a{display:inline-block;margin:5px 8px 0 0;padding:10px 13px;border:0;border-radius:7px;background:#263b59;color:#fff;font:700 11px "Noto Sans KR";text-decoration:none;cursor:pointer}.library-question-grid{position:relative;touch-action:none}.library-selection-marquee{position:absolute;z-index:5;display:block;border:1px solid #477eab;background:#4c86b51c;pointer-events:none}.library-question.is-drag-preview{outline:2px solid #477eab;outline-offset:1px;background:#eaf3fa}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans KR",sans-serif;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}button,textarea,input{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}em{font-style:normal}.grain{position:fixed;inset:0;pointer-events:none;opacity:.045;z-index:99;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E")}.view{display:none}.view.active{display:block}
.site-header{position:absolute;z-index:20;top:0;left:0;width:100%;height:92px;padding:0 5.2vw;display:flex;align-items:center;justify-content:space-between;color:white;border-bottom:1px solid #ffffff22}.logo,.lesson-logo{display:flex;align-items:center;gap:11px;font:700 21px "DM Sans";letter-spacing:.11em}.logo-symbol,.lesson-logo span{display:grid;place-items:center;width:35px;height:35px;border:1px solid #ffffffa8;border-radius:50%;font-family:Georgia,serif;font-size:21px;font-weight:400}.site-header nav{display:flex;gap:36px}.site-header nav button{color:#dce5f2;font-size:13px}.header-cta{border:1px solid #ffffff66;border-radius:30px;padding:12px 19px;font-size:13px;font-weight:700}.header-cta span{color:var(--orange);margin-left:10px}
.landing{position:relative;min-height:940px;height:100vh;overflow:hidden;background:var(--navy);color:white}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:84px 84px;mask-image:linear-gradient(to bottom,transparent 5%,black 38%,transparent 98%)}.landing:after{content:"";position:absolute;width:740px;height:740px;border-radius:50%;right:-190px;top:90px;background:radial-gradient(circle,#28559455 0,#0b244900 68%)}.orbit{position:absolute;border:1px solid #ffffff18;border-radius:50%;animation:orbitRotate 22s linear infinite}.orbit-a{width:680px;height:680px;right:-62px;top:152px}.orbit-b{width:470px;height:470px;right:42px;top:257px;animation-direction:reverse}.orbit-a i{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 18px var(--orange)}.orbit-a i:nth-child(1){top:8%;left:28%}.orbit-a i:nth-child(2){right:-4px;top:52%;background:#6eb8d9}.orbit-a i:nth-child(3){bottom:6%;left:36%;background:white}@keyframes orbitRotate{to{transform:rotate(360deg)}}
.hero-copy{position:absolute;z-index:4;left:7.5vw;top:25%;max-width:670px}.kicker{display:flex;align-items:center;gap:10px;font:600 11px "DM Sans";letter-spacing:.18em;color:#aabbd1}.kicker span{width:22px;height:2px;background:var(--orange)}.hero-copy h1{margin:24px 0 20px;font-size:clamp(70px,7.1vw,112px);line-height:.92;letter-spacing:-.075em;font-weight:800}.hero-copy h1 span{color:#fff}.hero-copy h1 em{position:relative;color:var(--orange)}.hero-copy h1 em:after{content:"";position:absolute;left:2%;right:0;bottom:-9px;height:7px;background:url("data:image/svg+xml,%3Csvg width='430' height='9' viewBox='0 0 430 9' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 7C105 1 270 2 428 4' fill='none' stroke='%23f17832' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") center/100% 100%}.hero-description{margin:35px 0 0;color:#bcc8d8;line-height:1.85;font-size:16px}.hero-actions{display:flex;align-items:center;gap:27px;margin-top:34px}.primary-button{display:flex;align-items:center;justify-content:space-between;gap:38px;background:var(--orange);color:#fff;border-radius:4px;padding:17px 21px 17px 25px;font-weight:800;font-size:14px;box-shadow:0 12px 32px #0003;transition:.25s}.primary-button:hover{transform:translateY(-2px);background:#fb8340}.primary-button b{font-size:20px}.text-button{color:#d8e0ea;font-size:13px}.text-button span{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid #ffffff44;border-radius:50%;font-size:9px;margin-right:8px}
.hero-player{position:absolute;z-index:3;right:6.7vw;top:18%;width:min(47vw,750px);aspect-ratio:1.42;background:#f9f6ee;color:var(--ink);box-shadow:0 45px 100px #0008;transform:perspective(1300px) rotateY(-4deg) rotateX(1deg);animation:playerIn 1s cubic-bezier(.2,.8,.2,1) both}@keyframes playerIn{from{opacity:0;transform:translate(80px,35px) perspective(1300px) rotateY(-8deg)}}
.hero-player-top{height:45px;padding:0 19px;background:#fff;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ddd8cd;font:600 9px "DM Sans";letter-spacing:.13em}.hero-player-top span{display:flex;align-items:center;gap:7px}.hero-player-top i{width:6px;height:6px;background:#e15b50;border-radius:50%}.hero-player-stage{position:relative;height:calc(100% - 87px);padding:40px 42px;background:linear-gradient(125deg,#f8f2e5,#eeece4);overflow:hidden}.preview-label{font:700 10px "DM Sans";letter-spacing:.14em;color:var(--blue)}.preview-content{width:70%;margin-top:35px}.preview-content small{font:700 9px "DM Sans";letter-spacing:.14em;color:#9b968e}.preview-content p{font:600 25px "DM Sans";line-height:1.42}.preview-content p span{background:linear-gradient(transparent 60%,#f6bb6c 60%)}.preview-roles{font:500 11px "DM Sans";padding:10px 12px;background:#fff;border-left:3px solid var(--blue)}.preview-roles b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--blue);color:white;margin:0 3px 0 9px}.preview-roles b:first-child{margin-left:0}.preview-translation{margin-top:14px;font-size:11px;color:#666;line-height:1.7}.preview-tip{position:absolute;left:42px;bottom:30px;display:flex;gap:12px;align-items:center;font-size:10px}.preview-tip b{padding:6px 8px;background:var(--orange);color:white}.preview-tip span{color:#606976}.hero-teacher{position:absolute;right:24px;bottom:24px;width:24%;height:43%;border:3px solid white;background:#dfe7e8;overflow:hidden;box-shadow:0 8px 25px #11233b33}.hero-teacher img{width:100%;height:100%;object-fit:cover;object-position:50% 24%}.hero-teacher span{position:absolute;bottom:0;left:0;padding:5px 8px;background:var(--navy);color:white;font:700 8px "DM Sans";letter-spacing:.14em}.hero-player-control{height:42px;background:white;display:flex;align-items:center;gap:13px;padding:0 18px}.hero-player-control button{font-size:11px}.hero-player-control div{height:2px;background:#d8d8d8;flex:1}.hero-player-control div i{display:block;width:38%;height:100%;background:var(--orange)}.hero-player-control small,.hero-player-control b{font:600 9px "DM Sans";color:#777}
.floating-chip{position:absolute;z-index:5;background:white;color:var(--ink);padding:14px 17px;box-shadow:0 16px 42px #0004;min-width:175px;animation:float 4s ease-in-out infinite}.floating-chip small,.floating-chip b,.floating-chip span{display:block}.floating-chip small{font:700 8px "DM Sans";letter-spacing:.15em;color:var(--orange)}.floating-chip b{font-size:12px;margin-top:6px}.floating-chip span{font-size:10px;color:#728094;margin-top:3px}.chip-one{right:5.5vw;top:15%}.chip-two{right:48%;top:67%;animation-delay:-2s}@keyframes float{50%{transform:translateY(-10px)}}.hero-foot{position:absolute;z-index:4;left:5.2vw;right:5.2vw;bottom:33px;padding-top:17px;border-top:1px solid #ffffff20;display:flex;align-items:flex-start;color:#8ca0ba}.hero-foot>span{font:800 12px "DM Sans";letter-spacing:.18em;color:white}.hero-foot p{font:500 8px "DM Sans";line-height:1.45;letter-spacing:.04em;margin:0 0 0 17px}.hero-foot i{font:500 9px "DM Sans";font-style:normal;letter-spacing:.12em;margin-left:auto}
.method{padding:120px 7.5vw 140px;background:var(--cream)}.section-number{font:700 10px "DM Sans";letter-spacing:.16em;color:var(--orange);border-top:1px solid #c9c3b9;padding-top:15px}.method-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:55px 0 70px}.method-heading h2{font-size:56px;line-height:1.18;letter-spacing:-.055em;margin:0}.method-heading h2 em{color:var(--orange)}.method-heading p{max-width:360px;color:#687384;line-height:1.8;font-size:14px}.method-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #beb9af}.method-list article{position:relative;padding:34px 36px 39px;border-right:1px solid #beb9af}.method-list article:first-child{border-left:1px solid #beb9af}.method-list article>span{font:600 10px "DM Sans";color:#8c8b86}.method-icon{display:grid;place-items:center;width:56px;height:56px;border:1px solid #b5b0a6;border-radius:50%;margin:50px 0 28px;font-size:21px;color:var(--orange)}.method-list h3{font-size:21px;margin:0 0 13px}.method-list p{font-size:13px;color:#697383;line-height:1.7;margin:0}
.input-screen{min-height:100vh;background:var(--cream)}.input-header{height:80px;border-bottom:1px solid #cec9bf;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;font:700 10px "DM Sans";letter-spacing:.16em}.input-header button{font-family:"Noto Sans KR";font-size:12px;letter-spacing:0}.input-header small{padding:7px 10px;background:var(--navy);color:white}.input-main{min-height:calc(100vh - 80px);display:grid;grid-template-columns:.88fr 1.12fr}.input-intro{padding:11vh 7vw;border-right:1px solid #cec9bf}.kicker.dark{color:#7a8290}.input-intro h2{font-size:52px;line-height:1.2;letter-spacing:-.05em;margin:30px 0 22px}.input-intro>p:not(.kicker){color:#6b7482;font-size:14px}.input-intro ol{list-style:none;padding:0;margin:65px 0 0}.input-intro li{padding:20px 0;border-top:1px solid #cec9bf;color:#455062;font-size:13px}.input-intro li b{font:700 10px "DM Sans";color:var(--orange);margin-right:24px}.passage-panel{align-self:center;margin:7vw;padding:28px;background:var(--paper);border:1px solid #c9c3b9;box-shadow:14px 14px 0 #dfd8cc}.passage-panel-head{display:flex;justify-content:space-between;margin-bottom:14px;font:700 10px "DM Sans";letter-spacing:.14em}.passage-panel-head span{color:#92979e}.passage-panel textarea{resize:none;width:100%;height:390px;border:1px solid #d6d1c7;background:#fbfaf6;padding:22px;outline:none;font:500 16px/1.8 "DM Sans";color:#182238}.passage-panel textarea:focus{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.passage-panel textarea::placeholder{font-family:"Noto Sans KR";color:#aaa59c}.passage-actions{display:flex;justify-content:space-between;gap:12px;margin-top:16px}.outline-button{padding:15px 20px;border:1px solid #bbb5ab;font-weight:700;font-size:12px}.primary-button.compact{padding:14px 18px;box-shadow:none}.primary-button:disabled{filter:grayscale(1);opacity:.4;cursor:not-allowed;transform:none}.fine-print{font-size:10px;color:#97938b;margin:14px 0 0}
.loading-screen{height:100vh;background:var(--navy);color:white;text-align:center;padding-top:30vh}.loading-mark{position:relative;width:100px;height:100px;margin:auto}.loading-mark span{position:absolute;inset:15px;display:grid;place-items:center;border:1px solid #ffffff66;border-radius:50%;font:400 36px Georgia}.loading-mark i{position:absolute;inset:0;border:1px solid transparent;border-top-color:var(--orange);border-radius:50%;animation:spin 1.6s linear infinite}.loading-mark i:nth-child(2){inset:6px;animation-duration:2.2s;border-top-color:#64a7ca}.loading-mark i:nth-child(3){inset:-8px;animation-duration:3s}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p{margin:27px 0 8px;color:#94a7bf;font-size:12px}.loading-screen h2{font-size:25px;margin:0}.loading-progress{width:300px;height:2px;background:#ffffff22;margin:35px auto}.loading-progress i{display:block;height:100%;width:0;background:var(--orange);transition:width .35s}
.lesson-screen{min-height:100vh;background:#eae7df}.lesson-header{height:67px;padding:0 28px;background:var(--navy);color:white;display:flex;align-items:center}.lesson-logo{width:220px;font-size:17px}.lesson-logo span{width:29px;height:29px;font-size:17px}.lesson-title{padding-left:24px;border-left:1px solid #ffffff2e;display:flex;flex-direction:column}.lesson-title small{font:600 8px "DM Sans";letter-spacing:.14em;color:#8ea4be}.lesson-title b{font:600 12px "DM Sans";margin-top:3px;max-width:390px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-header-actions{display:flex;gap:9px;margin-left:auto}.lesson-header-actions button{border:1px solid #ffffff30;padding:9px 13px;font-size:10px;color:#d9e1eb}.lesson-header-actions .exit-button{background:var(--orange);border-color:var(--orange);font-weight:700;color:white}.mode-tabs{height:62px;background:#fff;display:flex;padding-left:248px;border-bottom:1px solid #d1cdc4}
.analysis-pending-banner{display:flex;align-items:center;gap:10px;padding:9px 22px;background:#fff6e6;border-bottom:1px solid #f0d9a8;color:#7a5a12;font-size:11.5px;line-height:1.5}
.analysis-pending-banner i{flex:none;width:7px;height:7px;border-radius:50%;background:#e0a721;animation:pendingPulse 1.4s ease-in-out infinite}
.analysis-pending-banner span{flex:1}
.analysis-pending-banner button{flex:none;border:1px solid #d99a2b;color:#7a5a12;padding:5px 11px;font-size:11px;font-weight:700;border-radius:4px}
.analysis-pending-banner button:hover{background:#f0d9a8}
.analysis-pending-banner.failed{background:#fdeeee;border-bottom-color:#e8b9b9;color:#8a2f2f}
.analysis-pending-banner.failed i{background:#c0392b;animation:none}
.analysis-pending-banner.failed button{border-color:#c0392b;color:#8a2f2f}
@keyframes pendingPulse{0%,100%{opacity:1}50%{opacity:.35}}.mode-tabs button{position:relative;height:100%;padding:0 34px;font-weight:700;font-size:12px;color:#7d8490}.mode-tabs button span{font:700 9px "DM Sans";margin-right:9px;color:#aaa}.mode-tabs button i{display:none;position:absolute;left:28px;right:28px;bottom:-1px;height:3px;background:var(--orange)}.mode-tabs button.active{color:var(--navy)}.mode-tabs button.active span{color:var(--orange)}.mode-tabs button.active i{display:block}
.lesson-workspace{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 129px)}.scene-rail{position:relative;background:#f7f4ed;border-right:1px solid #cbc7be;padding:25px 0 90px}.rail-heading{padding:0 22px 21px}.rail-heading small,.rail-heading b{display:block}.rail-heading small{font:700 8px "DM Sans";letter-spacing:.15em;color:var(--orange)}.rail-heading b{font-size:15px;margin-top:6px}.scene-group-label{padding:16px 22px 8px;font:700 8px "DM Sans";letter-spacing:.14em;color:#9a958a;border-top:1px solid #e4e0d6}.scene-group-label:first-child{border-top:0;padding-top:0}.scene-list button{position:relative;width:100%;display:grid;grid-template-columns:28px 1fr;gap:8px;text-align:left;padding:13px 22px;color:#7c838d;border-top:1px solid transparent;border-bottom:1px solid transparent}.scene-list button>span{display:grid;place-items:center;width:23px;height:23px;border:1px solid #c3beb4;border-radius:50%;font:700 8px "DM Sans"}.scene-list button div b,.scene-list button div small{display:block}.scene-list button div b{font-size:11px;line-height:1.35}.scene-list button div small{font:500 8px "DM Sans";letter-spacing:.08em;color:#a2a3a3;margin-top:4px}.scene-list button.active{background:#fff;color:var(--navy);border-color:#d8d4ca}.scene-list button.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange)}.scene-list button.active>span{background:var(--navy);border-color:var(--navy);color:white}.scene-list button.done>span{background:#9ecfbc;border-color:#9ecfbc;color:white}.rail-progress{position:absolute;left:22px;right:22px;bottom:24px}.rail-progress>span{display:block;font-size:9px;color:#92969c;margin-bottom:9px}.rail-progress>span b{color:var(--orange)}.rail-progress>span i{font-style:normal}.rail-progress>div{height:3px;background:#d7d2c8}.rail-progress>div i{display:block;width:0;height:100%;background:var(--orange);transition:.3s}
.player-column{padding:22px 28px 15px;min-width:0}.video-shell{position:relative;width:min(100%,1120px);margin:auto;aspect-ratio:16/8.55;background:#f8f5ed;overflow:hidden;box-shadow:0 12px 36px #27364b20}.video-topline{position:absolute;z-index:8;top:0;left:0;right:0;height:38px;display:flex;align-items:center;padding:0 19px;background:#ffffffef;border-bottom:1px solid #dad6cc;font:700 8px "DM Sans";letter-spacing:.13em}.video-topline span{color:#92969b}.video-topline b{margin-left:14px;color:var(--blue)}.video-topline small{margin-left:auto;color:#7f858c}.video-topline small i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#e45e54;margin-right:5px}.video-stage{position:absolute;inset:38px 0 0;background:#f5f1e8;overflow:hidden}.scene-enter{animation:sceneEnter .55s cubic-bezier(.22,.8,.22,1) both}@keyframes sceneEnter{from{opacity:0;transform:translateY(15px)}}
.teacher-pip{position:absolute;z-index:10;right:18px;bottom:58px;width:18%;height:39%;min-width:140px;background:#d8e2e3;border:3px solid white;box-shadow:0 12px 34px #10223c45;overflow:hidden}.teacher-face{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 22%;transition:opacity .04s}.face-open{opacity:0}.teacher-pip.mouth-open .face-open{opacity:1}.teacher-pip.mouth-open .face-closed{opacity:0}.teacher-status{position:absolute;z-index:3;left:7px;top:7px;display:flex;gap:5px;align-items:center;background:#071a38d9;color:white;padding:4px 6px;font:700 7px "DM Sans";letter-spacing:.1em}.teacher-status i{width:4px;height:4px;border-radius:50%;background:#68d497}.teacher-name{position:absolute;z-index:3;left:0;right:0;bottom:0;padding:7px 9px;background:linear-gradient(transparent,#071a38e8);color:white}.teacher-name b,.teacher-name span{display:block}.teacher-name b{font:700 10px "DM Sans";letter-spacing:.08em}.teacher-name span{font:500 6px "DM Sans";letter-spacing:.1em;color:#b6c4d3}.subtitle-bar{position:absolute;z-index:9;left:18%;right:22%;bottom:14px;min-height:38px;display:flex;align-items:center;background:#061831e8;color:white;padding:8px 13px}.subtitle-bar>span{align-self:flex-start;margin-top:2px;background:var(--orange);padding:3px 5px;font:700 7px "DM Sans";letter-spacing:.08em}.subtitle-bar p{margin:0 0 0 10px;font-size:11px;line-height:1.55}.subtitle-bar.hidden{display:none}
.timeline{position:relative;width:min(100%,1120px);height:5px;margin:12px auto 0;background:#ccc7bd;cursor:pointer}.timeline>div:first-child{height:100%;width:0;background:var(--orange);transition:width .08s linear}.cue-dots{position:absolute;inset:0}.cue-dots i{position:absolute;top:-2px;width:2px;height:9px;background:#fff}.player-controls{position:relative;width:min(100%,1120px);height:47px;margin:auto;display:grid;grid-template-columns:1fr 1.1fr 1fr;align-items:center}.control-left,.control-right{display:flex;align-items:center;gap:8px}.control-left button,.control-right>button{width:29px;height:29px;border:1px solid #c7c2b9;background:#f8f5ee;font-size:15px}.control-left .play-button{background:var(--navy);border-color:var(--navy);color:white;border-radius:50%;font-size:9px}.control-left span{font:600 9px "DM Sans";color:#707985;margin-left:4px}.control-center{text-align:center;font-size:10px;font-weight:700}.control-right{justify-content:flex-end;position:relative}.control-right>button{font:700 9px "DM Sans"}.control-right>button.active{color:var(--orange);border-color:var(--orange)}.speed-menu{display:none;position:absolute;right:30px;bottom:39px;background:white;border:1px solid #cbc6bc;box-shadow:0 8px 25px #27364b20}.speed-menu.open{display:block}.speed-menu button{display:block;width:60px;padding:8px;font:600 9px "DM Sans"}.speed-menu button:hover{background:#f0ece3}.player-hint{width:min(100%,1120px);margin:auto;border-top:1px solid #d1ccc2;padding-top:8px;color:#999b9c;font-size:8px;display:flex;gap:22px}
/* content scenes */
.content-scene{height:100%;display:grid;grid-template-columns:54% 46%;padding:5.4% 6.5% 6%}.scene-copy{padding-right:7%;align-self:center}.scene-step{font:700 9px "DM Sans";letter-spacing:.15em;color:var(--orange)}.scene-copy h2{font-size:clamp(25px,2.5vw,42px);line-height:1.2;letter-spacing:-.055em;margin:15px 0 16px}.scene-copy p{font-size:clamp(11px,1vw,15px);line-height:1.75;color:#5f6877;margin:0}.scene-copy .key-line{margin-top:20px;padding:13px 15px;border-left:3px solid var(--orange);background:white;font-weight:700;color:var(--navy);font-size:12px}.visual-card{position:relative;align-self:stretch;overflow:hidden;background:var(--navy)}.visual-card svg{width:100%;height:100%}.visual-caption{position:absolute;left:14px;right:14px;bottom:13px;display:flex;justify-content:space-between;align-items:end;color:white}.visual-caption b{font-size:10px}.visual-caption span{font:500 7px "DM Sans";letter-spacing:.12em;color:#b8c7d9}.summary-scene{grid-template-columns:43% 57%;padding:5.5% 5.5% 6%}.summary-scene .visual-card{order:0}.summary-scene .scene-copy{order:1;padding:3% 2% 3% 7%}.paragraph-index{font:800 62px "DM Sans";line-height:1;color:#e1dacf}.summary-scene h2{font-size:28px}.summary-points{display:flex;gap:5px;margin-top:23px}.summary-points i{height:4px;flex:1;background:#d5d0c5}.summary-points i.active{background:var(--orange)}.topic-scene{height:100%;display:grid;place-items:center;text-align:center;padding:8% 16%;background:var(--navy);color:white}.topic-orbit{position:absolute;width:390px;height:390px;border:1px solid #ffffff18;border-radius:50%}.topic-scene small{font:700 9px "DM Sans";letter-spacing:.18em;color:var(--orange)}.topic-scene h2{position:relative;font-size:clamp(28px,3.4vw,55px);line-height:1.3;letter-spacing:-.05em;margin:22px 0}.topic-scene h2 em{color:var(--orange)}.topic-scene p{position:relative;max-width:600px;color:#adbed2;line-height:1.8;font-size:13px}
/* structure scenes */
.structure-scene{height:100%;padding:5.6% 5.5% 7%;background:#f8f5ee}.sentence-heading{display:flex;align-items:center;gap:11px}.sentence-heading span{font:700 9px "DM Sans";letter-spacing:.14em;color:var(--orange)}.sentence-heading i{height:1px;background:#d1ccc3;flex:1}.sentence-heading small{font:600 8px "DM Sans";color:#94979c}.english-sentence{display:flex;flex-wrap:wrap;gap:7px;margin:4.2% 20% 2.5% 0}.chunk{position:relative;padding:5px 7px;font:600 clamp(16px,1.65vw,27px)/1.45 "DM Sans";color:#8d939b;transition:.25s;border-bottom:3px solid transparent}.chunk.active{color:var(--navy);background:#fff;border-bottom-color:var(--orange);box-shadow:0 5px 15px #11234210}.chunk.done{color:#394961}.chunk small{position:absolute;top:-16px;left:7px;font:800 7px "DM Sans";color:var(--orange);opacity:0}.chunk.active small,.chunk.done small{opacity:1}.syntax-row{display:flex;flex-wrap:wrap;gap:7px;margin-right:20%}.syntax-tag{display:flex;align-items:center;gap:7px;border:1px solid #cbc7bd;background:#fff;padding:6px 9px;font-size:9px;color:#5f6874}.syntax-tag b{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--navy);color:white;font:700 7px "DM Sans"}.syntax-tag.clause b{background:var(--blue)}.direct-translation{margin:2.5% 20% 0 0;padding:12px 15px;background:#ebe6dc;border-left:3px solid var(--blue)}.direct-translation small{display:block;font:700 7px "DM Sans";letter-spacing:.14em;color:var(--blue);margin-bottom:5px}.direct-translation p{margin:0;font-size:12px;font-weight:600;color:#404b5b}.exam-radar{position:absolute;right:3%;top:18%;width:17%;background:var(--navy);color:white;padding:16px 14px}.exam-radar>small{font:700 7px "DM Sans";letter-spacing:.14em;color:#7e9abd}.radar-score{font:800 28px "DM Sans";color:var(--orange);margin:5px 0 13px}.radar-item{border-top:1px solid #ffffff1c;padding:9px 0}.radar-item b,.radar-item span{display:block}.radar-item b{font-size:9px}.radar-item span{font-size:7px;color:#aebdd0;line-height:1.5;margin-top:2px}.vocab-change{display:flex;gap:7px;margin-top:8px}.vocab-change i{font-style:normal;padding:3px 5px;background:#ffffff13;font:600 7px "DM Sans"}
/* grammar scenes */
.grammar-scene{height:100%;padding:5.5% 6% 6.5%;background:#f7f3ea}.grammar-head{display:flex;justify-content:space-between}.grammar-head small{font:700 9px "DM Sans";letter-spacing:.14em;color:var(--orange)}.grammar-head span{font-size:9px;color:#8d9299}.grammar-question{margin-top:4%;width:78%}.grammar-question h2{font:500 clamp(18px,1.9vw,29px)/1.55 "DM Sans";margin:0}.grammar-question h2 mark{padding:2px 6px;background:#f4c77c;color:inherit}.choice-row{display:flex;gap:10px;margin-top:20px}.grammar-choice{min-width:135px;padding:12px 17px;border:1px solid #bdb8af;background:white;text-align:left;font:600 12px "DM Sans";transition:.2s}.grammar-choice:hover{border-color:var(--blue)}.grammar-choice.selected{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.grammar-choice.correct{background:#e0f1ea;border-color:#68a98f}.grammar-choice.wrong{background:#f6e1df;border-color:#c86c64}.grammar-choice b{display:inline-grid;place-items:center;width:19px;height:19px;border-radius:50%;background:#e8e5df;margin-right:8px;font-size:8px}.grammar-explain{display:none;margin-top:20px;width:78%;grid-template-columns:1.2fr .8fr;border-top:1px solid #c9c4bb}.grammar-explain.show{display:grid;animation:sceneEnter .35s both}.explain-main,.test-tip{padding:14px 15px 12px 0}.test-tip{border-left:1px solid #c9c4bb;padding-left:15px}.grammar-explain small{font:700 7px "DM Sans";letter-spacing:.14em;color:var(--blue)}.grammar-explain p{font-size:10px;line-height:1.65;margin:5px 0}.test-tip small{color:var(--orange)}.writing-mission{position:absolute;left:6%;right:22%;bottom:7%;display:flex;align-items:center;gap:9px}.writing-mission label{font-size:9px;font-weight:800;color:var(--navy)}.writing-mission input{flex:1;border:0;border-bottom:1px solid #aaa59c;background:transparent;outline:none;padding:7px;font:500 11px "DM Sans"}.writing-mission button{padding:7px 10px;background:var(--navy);color:white;font-size:8px;font-weight:700}.writing-feedback{font-size:8px;color:#388064}.grammar-progress{position:absolute;right:4%;top:20%;display:grid;gap:8px}.grammar-progress i{display:grid;place-items:center;width:30px;height:30px;border:1px solid #c3beb4;border-radius:50%;font:700 8px "DM Sans";font-style:normal}.grammar-progress i.active{background:var(--navy);color:white}.grammar-progress i.done{background:var(--mint);border-color:var(--mint)}
/* modal */
.modal{display:none;position:fixed;inset:0;z-index:100}.modal.open{display:block}.modal-backdrop{position:absolute;inset:0;background:#071a38b8;backdrop-filter:blur(3px)}.notes-sheet,.setup-sheet{position:absolute;right:0;top:0;height:100%;width:min(680px,92vw);background:var(--paper);padding:35px 42px;overflow:auto;animation:sheetIn .35s both}@keyframes sheetIn{from{transform:translateX(100%)}}.notes-sheet header,.setup-sheet header{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid #cbc6bc;padding-bottom:22px}.notes-sheet header small,.setup-sheet header small{font:700 8px "DM Sans";letter-spacing:.15em;color:var(--orange)}.notes-sheet h2,.setup-sheet h2{font-size:25px;margin:6px 0 0}.notes-sheet header button,.setup-sheet header button{font-size:30px;font-weight:300}.note-tabs{display:flex;margin:26px 0;border-bottom:1px solid #d0cbc1}.note-tabs button{padding:10px 17px;font-size:11px;font-weight:700}.note-tabs button.active{background:var(--navy);color:white}.note-page{padding:22px;border:1px solid #d3cec4;background:white}.note-page h3{font-size:20px;margin:0 0 20px}.note-block{padding:14px 0;border-top:1px solid #e1ddd5}.note-block small{font:700 7px "DM Sans";letter-spacing:.12em;color:var(--orange)}.note-block h4{font-size:12px;margin:5px 0}.note-block p,.note-block li{font-size:10px;line-height:1.7;color:#56606d}.note-blank{display:inline-block;border-bottom:1px solid #777;min-width:100px;height:12px}.notes-sheet footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-size:9px;color:#85878a}.notes-sheet footer button{background:var(--orange);color:white;padding:10px 13px;font-weight:700}.service-list article{display:grid;grid-template-columns:35px 1fr 50px;gap:12px;padding:19px 0;border-bottom:1px solid #d6d1c7}.service-list article>span{font:700 9px "DM Sans";color:#aaa}.service-list b{font-size:13px}.service-list p{font-size:10px;color:#737b86;line-height:1.6;margin:5px 0 0}.service-list i{align-self:start;font:700 7px "DM Sans";font-style:normal;background:#e6e2da;padding:5px;text-align:center}.service-list .ready i{background:#d6eee5;color:#31745b}.setup-sheet pre{margin-top:28px;background:var(--navy);color:#d9e3ef;padding:18px;font:500 11px/1.8 Consolas,monospace}
@media(max-width:1100px){.hero-copy{left:5vw}.hero-copy h1{font-size:76px}.hero-player{right:3vw;width:50vw}.floating-chip{display:none}.method{padding-left:5vw;padding-right:5vw}.input-intro{padding-left:5vw}.lesson-workspace{grid-template-columns:190px}.mode-tabs{padding-left:205px}.scene-list button{padding-left:15px;padding-right:10px}.player-column{padding:15px}.teacher-pip{width:20%}}
@media(max-width:780px){.site-header{height:70px;padding:0 20px}.site-header nav{display:none}.landing{min-height:850px}.hero-copy{top:15%;left:25px;right:25px}.hero-copy h1{font-size:62px}.hero-description br{display:none}.hero-player{top:52%;left:25px;right:25px;width:auto}.chip-two{display:none}.hero-foot{display:none}.method{padding:80px 24px}.method-heading{display:block}.method-heading h2{font-size:39px}.method-list{grid-template-columns:1fr}.method-list article,.method-list article:first-child{border-left:1px solid #beb9af;border-bottom:1px solid #beb9af}.method-icon{margin:22px 0}.input-main{grid-template-columns:1fr}.input-intro{padding:60px 25px 20px;border-right:0}.input-intro h2{font-size:40px}.input-intro ol{margin-top:35px}.passage-panel{margin:25px}.passage-panel textarea{height:300px}.lesson-header{padding:0 12px}.lesson-logo{width:auto}.lesson-title{display:none}.lesson-header-actions button:nth-child(2){display:none}.mode-tabs{padding-left:0;overflow:auto}.mode-tabs button{white-space:nowrap;padding:0 18px}.lesson-workspace{display:block}.scene-rail{display:none}.player-column{padding:10px}.video-shell{aspect-ratio:10/10}.teacher-pip{width:27%;height:31%;min-width:100px}.subtitle-bar{left:12px;right:12px;bottom:10px}.content-scene,.summary-scene{grid-template-columns:1fr;padding:12% 5%}.visual-card{display:none}.scene-copy{padding:0}.structure-scene{padding-top:12%}.english-sentence{margin-right:0}.syntax-row,.direct-translation{margin-right:30%}.exam-radar{position:relative;right:auto;top:auto;width:68%;margin-top:14px}.grammar-scene{padding-top:12%}.grammar-question,.grammar-explain{width:100%}.writing-mission{right:5%}.control-center{display:none}.player-controls{grid-template-columns:1fr 1fr}.player-hint{display:none}}
:root{--orange:#24466f;--cream:#f4f1e9;--paper:#fffefa}
.hero-copy h1 em{color:#f3ecdf}.hero-copy h1 em:after{height:2px;background:#d9cfbd}
.primary-button{background:#f5f0e6;color:var(--navy);box-shadow:0 12px 32px #0003}.primary-button:hover{background:#fff}
.passage-actions .primary-button{background:var(--navy);color:white}.kicker span{background:#91a3b8}
.floating-chip small,.section-number{color:#315b87}.lesson-header-actions .exit-button{background:#f4efe5;border-color:#f4efe5;color:var(--navy)}
.scene-step,.paragraph-index{color:#315b87}.summary-points i.active,.rail-progress>div i,.timeline>div:first-child{background:#24466f}
.content-scene:not(.summary-scene){background:#f5efe4}.summary-scene{background:#edf2f5}.summary-scene .key-line{border-left-color:#6c88a4}
.visual-card{background:#0b213f}.lesson-photo{position:absolute;inset:0;background-image:linear-gradient(to top,#071a3877,transparent 45%),url("assets/lesson-concept-overview-v2.png");background-size:contain;background-repeat:no-repeat;background-position:center}.lesson-photo.photo-0,.lesson-photo.photo-1,.lesson-photo.photo-2,.lesson-photo.photo-3{background-position:center}
.analysis-screen{min-height:100vh;background:#f3f0e8}.analysis-header{height:70px;padding:0 4vw;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between}.analysis-header .lesson-logo{width:auto}.analysis-header>small{font:600 9px "DM Sans";letter-spacing:.18em;color:#9eb0c6}.analysis-header>button:last-child{padding:9px 13px;border:1px solid #ffffff3b;font-size:10px}
.analysis-layout{min-height:calc(100vh - 70px);display:grid;grid-template-columns:.84fr 1.16fr}.analysis-copy{padding:8vh 6vw;border-right:1px solid #cac6bd}.analysis-copy h2{margin:28px 0 18px;font-size:48px;line-height:1.2;letter-spacing:-.05em}.analysis-copy>p:not(.kicker){max-width:520px;color:#657080;font-size:13px;line-height:1.8}.analysis-steps{margin-top:42px;border-top:1px solid #c7c2b9}.analysis-steps>div{display:grid;grid-template-columns:43px 1fr;gap:13px;padding:17px 0;border-bottom:1px solid #d1ccc3}.analysis-steps i{display:grid;place-items:center;width:34px;height:34px;border:1px solid #b5b2aa;border-radius:50%;font:700 8px "DM Sans";font-style:normal;color:#697487}.analysis-steps .done i{background:var(--navy);border-color:var(--navy);color:white}.analysis-steps b,.analysis-steps small{display:block}.analysis-steps b{font-size:12px}.analysis-steps small{margin-top:4px;font-size:9px;color:#858b93}.analysis-progress{height:4px;background:#d8d3ca;margin-top:24px}.analysis-progress i{display:block;width:0;height:100%;background:var(--navy);transition:width .35s}.analysis-start{width:100%;margin-top:14px;padding:15px 17px;background:var(--navy);color:white;display:flex;justify-content:space-between;font-weight:800;font-size:12px}.analysis-start:disabled{background:#aaa8a2;color:#e8e5df;cursor:wait}.analysis-start b{font-size:18px}.background-note{display:block;margin-top:9px;color:#8b8c8b;font-size:8px}
.voice-ready-panel{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:10px;margin-top:14px;padding:12px 13px;border:1px solid #d1ccc3;background:#fbfaf6}.voice-ready-dot{width:8px;height:8px;border-radius:50%;background:#b4b0a9;box-shadow:0 0 0 4px #eeece7}.voice-ready-panel b,.voice-ready-panel small{display:block}.voice-ready-panel b{font-size:10px;color:var(--navy)}.voice-ready-panel small{margin-top:3px;font-size:8px;color:#7c858f}.voice-ready-panel.ready{border-color:#9cc8b4;background:#f1f8f3}.voice-ready-panel.ready .voice-ready-dot{background:#3b9a6e;box-shadow:0 0 0 4px #dceddf}.voice-ready-panel.error{border-color:#d89b91;background:#fff5f2}.voice-ready-panel.error .voice-ready-dot{background:#c75544;box-shadow:0 0 0 4px #f6ddd8}.voice-ready-panel button,.voice-retry{padding:7px 9px;border:1px solid #bfc6ca;background:white;color:var(--navy);font-size:8px;font-weight:700}.voice-ready-panel button:disabled{opacity:.45;cursor:wait}.voice-retry{width:100%;margin-top:9px;border-color:#b65d50;background:#fff7f5;color:#9d3f33}.analysis-steps #ttsStep.ready i{background:#3b9a6e;border-color:#3b9a6e;color:white}.analysis-steps #ttsStep.error i{background:#c75544;border-color:#c75544;color:white}
.material-preview{padding:6vh 6vw;background:#fffefa}.material-heading small{font:700 8px "DM Sans";letter-spacing:.16em;color:#527090}.material-heading h3{font-size:26px;margin:7px 0}.material-heading p{font-size:11px;color:#7c838c}.material-card{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:center;margin-top:22px;padding:22px;border:1px solid #c8c4bc;background:#fff;box-shadow:8px 8px 0 #e3dfd7}.material-card.complete-material{background:#f1f4f6;box-shadow:8px 8px 0 #dbe2e8}.paper-stack{position:relative;height:155px;background:#f7f4ed;border:1px solid #bfc2c5;padding:18px;color:var(--navy);box-shadow:5px 5px 0 #d6d3cc;overflow:hidden}.paper-stack:before{content:"TESIA";position:absolute;right:-22px;top:50px;transform:rotate(90deg);font:800 9px "DM Sans";letter-spacing:.18em;color:#8292a6}.paper-stack span{font:700 8px "DM Sans";color:#60758d}.paper-stack b{display:block;margin-top:20px;font:700 16px/1.35 "DM Sans"}.paper-stack i{display:block;width:70%;height:2px;background:#d0d3d4;margin-top:10px}.paper-stack i:nth-of-type(2){width:90%}.paper-stack i:nth-of-type(3){width:55%}.paper-stack.filled i{background:#829ab3}.material-card>div:last-child>small{font-size:9px;color:#7e8893}.material-card h4{font-size:20px;margin:4px 0 7px}.material-card p{font-size:10px;line-height:1.65;color:#677281;margin:0 0 14px}.material-download{padding:10px 13px;background:var(--navy);color:white;font-size:9px;font-weight:700}.material-download b{margin-left:12px}.material-download:disabled{opacity:.65}
.aha-bulb{position:absolute;z-index:6;right:18%;top:12%;display:grid;place-items:center;width:78px;height:78px;border-radius:50%;background:#f2ead7;box-shadow:0 0 0 8px #fff9,0 10px 28px #11233b26;animation:ahaPop .55s cubic-bezier(.2,1.5,.4,1) both}.aha-bulb i{font:800 30px Georgia;color:var(--navy);font-style:normal}.aha-bulb span{position:absolute;bottom:-22px;font-size:10px;font-weight:800;color:var(--navy)}.aha-bulb b{position:absolute;width:2px;height:13px;background:#627e9d}.aha-bulb b:nth-of-type(1){top:-15px}.aha-bulb b:nth-of-type(2){bottom:-15px}.aha-bulb b:nth-of-type(3){left:-9px;transform:rotate(90deg)}.aha-bulb b:nth-of-type(4){right:-9px;transform:rotate(90deg)}@keyframes ahaPop{from{opacity:0;transform:scale(.3) rotate(-18deg)}70%{transform:scale(1.12) rotate(3deg)}}
.method{display:none}body[data-view="landing"] .method{display:block}
@media(max-width:900px){.analysis-layout{grid-template-columns:1fr}.analysis-copy{padding:55px 28px;border-right:0}.analysis-copy h2{font-size:38px}.material-preview{padding:45px 28px}.material-card{grid-template-columns:140px 1fr}.paper-stack{height:135px}.analysis-header>small{display:none}}
@media(max-width:560px){.material-card{grid-template-columns:1fr}.paper-stack{display:none}.analysis-header{padding:0 17px}.analysis-copy,.material-preview{padding-left:20px;padding-right:20px}}
@media print{body>*:not(.modal){display:none!important}.modal{position:static;display:block}.modal-backdrop,.notes-sheet header button,.note-tabs,.notes-sheet footer{display:none}.notes-sheet{position:static;width:100%;height:auto;padding:0}.note-page{border:0}}

/* Passage library + instant one-sentence demo */
.landing-demo-photo{position:absolute;z-index:1;right:24px;top:58px;width:25%;height:42%;border:3px solid #fff;background:linear-gradient(to top,#071a3899,transparent 62%),url('assets/pexels-perspective-demo.jpg') center/cover;box-shadow:0 12px 28px #071a3838}.landing-demo-photo span{position:absolute;left:0;right:0;bottom:0;padding:7px 9px;color:#fff;background:#071a38b8;font:700 7px "DM Sans";letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-content{position:relative;z-index:2;width:68%;margin-top:22px}.preview-content p{font-size:20px;line-height:1.3;margin:10px 0}.preview-roles{padding:7px 9px;font-size:10px}.preview-roles b{width:17px;height:17px}.preview-translation{margin-top:8px;line-height:1.45}.preview-tip{z-index:2;bottom:16px}
.passage-panel{margin:4.5vw;align-self:center}.passage-source-tabs{display:grid;grid-template-columns:1fr 1fr;margin:-28px -28px 25px;border-bottom:1px solid #d5d0c7;background:#f1ede4}.passage-source-tabs button{display:flex;align-items:center;gap:10px;padding:17px 22px;text-align:left;color:#78808c;font-size:12px;font-weight:800;border-right:1px solid #d5d0c7}.passage-source-tabs button:last-child{border-right:0}.passage-source-tabs button span{font:700 9px "DM Sans";color:#a39c92}.passage-source-tabs button.active{color:#fff;background:var(--navy)}.passage-source-tabs button.active span{color:var(--orange)}.passage-source-view{display:none}.passage-source-view.active{display:block}.passage-panel textarea{height:265px}.passage-tools{display:grid;grid-template-columns:1.25fr .85fr auto;gap:9px;margin-top:11px}.file-load-button{display:grid;grid-template-columns:28px 1fr;grid-template-rows:auto auto;align-items:center;text-align:left;padding:10px 12px;border:1px dashed #bcb5a9;background:#f7f3eb}.file-load-button>span{grid-row:1/3;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e6e0d4;color:var(--orange);font-weight:900}.file-load-button b{font-size:11px}.file-load-button small{font:600 8px "DM Sans";color:#9a9489}.source-category{display:flex;flex-direction:column;gap:4px;padding:7px 10px;border:1px solid #d4cec3;background:#fff}.source-category span{font-size:8px;font-weight:800;color:#8a857c}.source-category select{border:0;background:transparent;color:var(--ink);font-size:11px;font-weight:800;outline:none}.save-library-button{padding:0 14px;background:#e8edf4;color:var(--blue);font-size:10px;font-weight:800}.save-library-button:disabled{opacity:.45;cursor:not-allowed}.library-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}.library-head small{font:700 8px "DM Sans";letter-spacing:.14em;color:var(--orange)}.library-head h3{margin:5px 0 0;font-size:18px}.library-head button{padding:9px 12px;border:1px solid #bdb6aa;color:var(--blue);font-size:10px;font-weight:800}.library-filters{display:flex;gap:5px;margin-bottom:11px}.library-filters button{padding:7px 11px;border:1px solid #d5d0c7;color:#777f8b;font-size:10px;font-weight:800}.library-filters button.active{background:var(--navy);border-color:var(--navy);color:#fff}.passage-library-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:365px;overflow:auto;padding-right:3px}.passage-library-card{position:relative;min-height:145px;padding:14px;text-align:left;border:1px solid #d8d2c7;background:#faf8f2;transition:.2s}.passage-library-card:hover,.passage-library-card.selected{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.passage-library-card>span{display:inline-block;padding:4px 6px;background:#e7edf5;color:var(--blue);font-size:8px;font-weight:900}.passage-library-card h4{margin:9px 0 5px;font:700 13px "DM Sans";white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.passage-library-card p{margin:0;color:#69727e;font:500 9px/1.55 "DM Sans"}.passage-library-card small{display:block;margin-top:10px;color:#9a948a;font-size:8px}.passage-library-card i{position:absolute;right:12px;bottom:11px;color:var(--orange);font-size:9px;font-style:normal;font-weight:900}.library-empty{grid-column:1/-1;padding:50px 15px;text-align:center;border:1px dashed #cec7bb;color:#8c877e;font-size:11px}.library-selection{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:13px;margin-top:13px;border-top:1px solid #d5d0c7}.library-selection>span{min-width:0;color:#687384;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.library-selection .primary-button{flex:none}.demo-lesson .mode-tabs button:not([data-mode="content"]){display:none}.demo-lesson .mode-tabs button[data-mode="content"]{min-width:310px}.landing-live-demo{padding-top:52px}.landing-live-grid{display:grid;grid-template-columns:.82fr 1.38fr;height:100%}.landing-live-visual{padding:22px 20px 16px;border-right:1px solid #d8d2c7;background:#f3efe5}.landing-live-photo{height:43%;min-height:125px;background:linear-gradient(to top,#071a3899,transparent 64%),url('assets/pexels-perspective-demo.jpg') center/cover;box-shadow:0 10px 25px #071a3826}.landing-live-visual>span{display:block;margin:7px 0 14px;color:#7c8490;font:700 7px "DM Sans";letter-spacing:.08em}.landing-live-visual h3{margin:0 0 8px;font-size:15px}.landing-live-visual p{margin:0;color:#596473;font-size:10px;line-height:1.65}.landing-live-analysis{padding:20px 24px 70px;overflow:hidden}.landing-live-analysis>small{font:700 8px "DM Sans";letter-spacing:.13em;color:var(--orange)}.landing-live-analysis>h2{margin:12px 0 15px;font:650 clamp(16px,1.45vw,24px)/1.42 "DM Sans";letter-spacing:-.02em}.demo-syntax-line{display:flex;flex-wrap:wrap;gap:5px}.demo-syntax-chunk{padding:7px 8px;border:1px solid #d4d9df;background:#fff;font:600 9px/1.3 "DM Sans";opacity:.35;transition:.3s}.demo-syntax-chunk small{display:block;margin-bottom:3px;color:var(--blue);font:800 7px "Noto Sans KR"}.demo-syntax-chunk.reveal-active,.demo-syntax-chunk.reveal-done{opacity:1}.demo-syntax-chunk.reveal-active{border-color:var(--orange);box-shadow:0 0 0 2px #f1783220}.demo-direct{margin-top:12px;padding:9px 11px;background:#eaf0f7;border-left:3px solid var(--blue)}.demo-direct small{font-size:7px;font-weight:900;color:var(--blue)}.demo-direct p{margin:3px 0 0;font-size:9px;line-height:1.55}.demo-exam{display:flex;gap:9px;align-items:flex-start;margin-top:10px;padding:10px 11px;background:#fff2e9;border:1px solid #f0c5aa}.demo-exam b{flex:none;padding:4px 6px;background:var(--orange);color:#fff;font-size:8px}.demo-exam span{font-size:9px;line-height:1.55;color:#5e6671}
@media(max-width:1100px){.passage-tools{grid-template-columns:1fr 1fr}.save-library-button{min-height:38px;grid-column:1/-1}.landing-live-analysis{padding-left:17px;padding-right:17px}.landing-live-visual{padding-left:14px;padding-right:14px}}
@media(max-width:780px){.landing-demo-photo{right:17px;top:55px;width:29%;height:34%}.preview-content{width:100%;margin-top:26%}.preview-content p{font-size:17px}.preview-roles{font-size:9px}.passage-source-tabs{margin-left:-28px;margin-right:-28px}.passage-tools{grid-template-columns:1fr}.save-library-button{min-height:42px}.passage-library-list{grid-template-columns:1fr;max-height:390px}.library-selection{align-items:stretch;flex-direction:column}.library-selection .primary-button{width:100%}.landing-live-demo{padding-top:44px}.landing-live-grid{grid-template-columns:1fr;height:auto}.landing-live-visual{display:grid;grid-template-columns:34% 1fr;gap:0 12px;border-right:0;border-bottom:1px solid #d8d2c7;padding:10px}.landing-live-photo{grid-row:1/4;height:90px;min-height:0}.landing-live-visual>span{display:none}.landing-live-visual h3{font-size:12px}.landing-live-visual p{font-size:8px}.landing-live-analysis{padding:11px 12px 60px}.landing-live-analysis>h2{font-size:13px;margin:7px 0}.demo-syntax-chunk{padding:5px;font-size:7px}.demo-direct,.demo-exam{margin-top:6px;padding:6px}.demo-exam span,.demo-direct p{font-size:7px}}

/* Production flow: honest event-based progress, segmented analysis and textbook hierarchy. */
.production-metrics{display:flex;align-items:center;justify-content:space-between;margin-top:9px;color:#6e7783}.production-metrics strong{font:800 17px "DM Sans";color:var(--navy)}.production-metrics span{font-size:9px}.segment-progress-list{display:grid;gap:6px;margin-top:12px}.segment-progress-list article{display:grid;grid-template-columns:27px 1fr;gap:8px;align-items:center;padding:8px 10px;border:1px solid #d6d1c8;background:#f7f4ed}.segment-progress-list i{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;border:1px solid #b8b4ac;color:#7a818b;font:800 8px "DM Sans";font-style:normal}.segment-progress-list b,.segment-progress-list small{display:block}.segment-progress-list b{font-size:9px}.segment-progress-list small{margin-top:2px;font-size:8px;color:#8a8e94}.segment-progress-list p{margin:7px 0 0!important;padding:7px 8px;background:#fff;color:#46566a!important;font-size:9px!important;line-height:1.55!important}.segment-progress-list article.active{border-color:#8aa3c0;background:#f0f4f8}.segment-progress-list article.done{border-color:#a9ccb9;background:#f2f8f4}.segment-progress-list article.done i{background:#3b9a6e;border-color:#3b9a6e;color:#fff}.materials-production #voiceReadyPanel{grid-template-columns:12px 1fr}.materials-production #voiceReadyPanel button{display:none}.textbook-catalog{display:grid;grid-template-columns:1.15fr 1fr .85fr 1.25fr auto;gap:7px;align-items:end;margin:0 0 10px;padding:11px;border:1px solid #cbd5df;background:#eef3f7}.textbook-catalog>div small,.textbook-catalog>div b{display:block}.textbook-catalog>div small{font:800 7px "DM Sans";letter-spacing:.1em;color:var(--orange)}.textbook-catalog>div b{margin-top:4px;font-size:9px}.textbook-catalog label span{display:block;margin-bottom:4px;font-size:7px;font-weight:800;color:#7b8490}.textbook-catalog select{width:100%;min-width:0;padding:9px 8px;border:1px solid #c8d1da;background:#fff;color:var(--ink);font-size:9px}.textbook-catalog button{height:34px;padding:0 11px;background:var(--blue);color:#fff;font-size:9px;font-weight:800}.textbook-catalog button:disabled{opacity:.4;cursor:not-allowed}.textbook-catalog[hidden]{display:none}
@media(max-width:980px){.textbook-catalog{grid-template-columns:1fr 1fr}.textbook-catalog>div{grid-column:1/-1}.textbook-catalog button{min-height:38px}}@media(max-width:620px){.textbook-catalog{grid-template-columns:1fr}.textbook-catalog>div{grid-column:auto}.pdf-preview-pages{gap:10px}}
.materials-production [data-studio-step="lesson"]{display:none}
.visual-curation{margin-top:28px;padding:18px;border:1px solid #d5dbe2;background:#f7f9fa}.curation-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.curation-heading small{font:700 8px "DM Sans";letter-spacing:.16em;color:#527090}.curation-heading h3{margin:5px 0 0;font-size:17px;letter-spacing:-.04em}.curation-heading>span{padding:6px 8px;background:#e4ecf3;color:#294a6b;font:700 8px "DM Sans";letter-spacing:.08em;white-space:nowrap}.visual-curation>p{margin:10px 0;font-size:10px;color:#687586}.image-search{display:flex;gap:7px}.image-search input{min-width:0;flex:1;border:1px solid #cbd5df;background:white;padding:9px 10px;color:var(--navy);font:500 11px "DM Sans"}.image-search button{background:var(--navy);color:#fff;padding:0 12px;font:700 9px "Noto Sans KR"}.image-suggestions{display:flex;flex-wrap:wrap;gap:5px;margin:9px 0}.image-suggestions button{border:1px solid #ccd6df;background:white;padding:5px 7px;color:#47627e;font:500 8px "DM Sans"}.image-results{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;min-height:74px}.image-choice{position:relative;min-height:86px;padding:0;border:2px solid transparent;overflow:hidden;background:#dde5eb;text-align:left}.image-choice.selected{border-color:#123961}.image-choice img{width:100%;height:100%;min-height:86px;object-fit:cover;display:block}.image-choice span{position:absolute;inset:auto 0 0;padding:13px 7px 6px;background:linear-gradient(transparent,#081b35dc);color:white;display:flex;justify-content:space-between;gap:4px;align-items:end;font-size:7px}.image-choice span b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.image-choice span small{font-size:7px;color:#d5e5f3;white-space:nowrap}.image-empty{display:grid;place-items:center;grid-column:1/-1;min-height:74px;border:1px dashed #c9d2da;color:#798696;font-size:10px;line-height:1.6;text-align:center;padding:8px}.image-empty code{font:700 9px "DM Sans";color:#25476a}.image-credit{display:block;margin-top:8px;color:#60778f;font-size:8px;line-height:1.5}.image-credit b{color:#294c70}
@media(max-width:560px){.image-results{grid-template-columns:repeat(2,1fr)}.curation-heading h3{font-size:15px}}
.image-results{grid-template-columns:1fr}.image-choice.auto-selected,.image-choice.auto-selected img{height:150px}.image-choice.auto-selected span{padding:20px 10px 8px;font-size:8px}.image-choice.auto-selected span small{font-size:8px}@media(max-width:560px){.image-results{grid-template-columns:1fr}.image-choice.auto-selected,.image-choice.auto-selected img{height:120px}}

/* Compact teacher PiP: keep lesson imagery visible and animate only a tiny pixel mouth. */
.teacher-pip{right:14px;bottom:55px;width:96px;height:124px;min-width:0;border-width:2px;border-radius:2px;box-shadow:0 8px 24px #10223c30}
.teacher-face{object-position:50% 19%}

/* Lesson groups stay compact until the user opens a specific lesson. */
.passage-library-group{border:1px solid #d8d2c7;background:#faf8f2}
.passage-library-group-head{display:block;width:100%;padding:9px 12px;text-align:left;background:#f2eee6;color:var(--ink);cursor:pointer}
.passage-library-group-head>span{display:inline-block;margin-right:6px;padding:3px 5px;background:#e7edf5;color:var(--blue);font-size:7px;font-weight:900}
.passage-library-group-head h4{display:inline;font-size:11px}
.passage-library-group-head p{margin:4px 0 0;color:#727b86;font-size:8px}
.passage-library-group-head p b{float:right;color:var(--blue);font-size:8px}
.passage-library-group-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:6px}
.passage-library-group-items[hidden]{display:none}
.passage-library-group-items .passage-library-card{min-height:74px;padding:8px}
.passage-library-group-items .passage-library-card>span{padding:2px 4px;font-size:7px}
.passage-library-group-items .passage-library-card h4{margin:5px 0 3px;font-size:10px}
.passage-library-group-items .passage-library-card p{font-size:8px;line-height:1.35}
.passage-library-group-items .passage-library-card small{display:none}
.passage-library-group-items .passage-library-card i{right:8px;bottom:7px;font-size:8px}
@media(max-width:620px){.passage-library-group-items{grid-template-columns:1fr}.passage-library-group-items .passage-library-card{min-height:58px}}
.teacher-status{left:5px;top:5px;padding:3px 4px;font-size:5px}
.teacher-name{padding:14px 6px 5px}.teacher-name b{font-size:7px}.teacher-name span{display:none}
.pixel-mouth{position:absolute;z-index:5;left:50%;top:46%;width:11px;height:2px;transform:translate(-50%,-50%);background:#3a1c24;box-shadow:0 1px 0 #d8a49a;image-rendering:pixelated;transition:height .04s,top .04s}
.pixel-mouth i{position:absolute;display:block;width:2px;height:2px;top:0;background:#20131a}.pixel-mouth i:first-child{left:0}.pixel-mouth i:last-child{right:0}
.teacher-pip.mouth-open .pixel-mouth{top:47%;height:6px;background:#241019;box-shadow:inset 0 2px 0 #8b4f58,0 1px 0 #d8a49a}
.teacher-pip.mouth-open .face-closed{opacity:1}
.subtitle-bar{right:12%}
.image-results.auto-set{grid-template-columns:repeat(3,1fr)}.image-results.auto-set .image-choice,.image-results.auto-set .image-choice img{height:78px;min-height:78px}.image-results.auto-set .image-choice span{padding:16px 6px 5px}.image-results.auto-set .image-choice span small{display:none}
@media(max-width:780px){.teacher-pip{right:10px;bottom:54px;width:76px;height:98px;min-width:0}.subtitle-bar{right:10px}.image-results.auto-set{grid-template-columns:repeat(3,1fr)}}
.teacher-pip{background:#0b1c33}
.teacher-pixel{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);width:64%;aspect-ratio:1}

/* Human TESIA portrait with a subtle mouth-only speaking cue. */
.teacher-pip{right:14px;bottom:55px;width:116px;height:146px;min-width:0;border-radius:3px;background:#0b1c33 url("assets/tesia-teacher-closed.png?v=2") center 19%/cover no-repeat;box-shadow:0 8px 24px #10223c30}
.teacher-pixel{display:none}
.teacher-pip:after{content:"";position:absolute;z-index:5;left:50%;top:47%;width:7px;height:1px;transform:translate(-50%,-50%);border-radius:2px;background:#4a232b;box-shadow:0 1px 0 #d9a39a;transition:height .05s,top .05s}
.teacher-pip.mouth-open:after{top:47.4%;height:3px;background:#35151d;box-shadow:inset 0 1px 0 #8b4f58,0 1px 0 #d9a39a}
@media(max-width:780px){.teacher-pip{right:10px;bottom:54px;width:88px;height:112px;min-width:0}}

/* Cute mini pixel TESIA: reserved beside captions so lesson content stays clear. */
.teacher-pip{right:9px;bottom:7px;width:44px;height:55px;min-width:0;border:0;border-radius:7px;background:transparent url("assets/tesia-pixel-cute-closed.svg?v=1") center/contain no-repeat;box-shadow:0 5px 14px #10223c24;pointer-events:none}
.teacher-pip.mouth-open{background-image:url("assets/tesia-pixel-cute-open.svg?v=1")}
.teacher-pip:after,.teacher-status,.teacher-name,.teacher-pixel{display:none}
.subtitle-bar{right:58px}
@media(max-width:780px){.teacher-pip{right:7px;bottom:6px;width:40px;height:50px}.subtitle-bar{right:52px}}

/* TESIA reference eyes: two solid pixel blocks with moving white square glints. */
.teacher-pip,.teacher-pip.mouth-open{--eye-x:0px;--eye-y:0px;left:6.5%;right:auto;top:27%;bottom:auto;width:54px;height:25px;min-width:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible;pointer-events:none}
.teacher-pip:before,.teacher-pip:after{display:none}
.eye-stage{position:absolute;z-index:3;inset:0 3px;display:flex;align-items:flex-end;justify-content:space-between}
.pixel-eye{position:relative;display:block;width:20px;height:23px;box-sizing:border-box;border:0;border-radius:0;background:#080808;transition:height .15s,transform .15s,clip-path .15s}
.pixel-eye b{position:absolute;left:8px;top:15px;width:6px;height:8px;border-radius:0;background:#fff;transform:translate(var(--eye-x),var(--eye-y));transition:transform .12s;box-shadow:none}
.pixel-eye:before{display:block;content:"";position:absolute;left:1px;top:-6px;width:18px;height:3px;background:#080808;transform-origin:center;transition:top .15s,transform .15s,opacity .15s}
.teacher-pip.eyes-kind .eye-left{transform:rotate(1deg)}.teacher-pip.eyes-kind .eye-right{transform:rotate(-1deg)}
.teacher-pip.eyes-kind .eye-left:before{transform:rotate(3deg)}.teacher-pip.eyes-kind .eye-right:before{transform:rotate(-3deg)}
.teacher-pip.eyes-smile .pixel-eye{height:6px;margin-bottom:6px;background:#080808;clip-path:none}.teacher-pip.eyes-smile .eye-left{transform:rotate(-7deg)}.teacher-pip.eyes-smile .eye-right{transform:rotate(7deg)}
.teacher-pip.eyes-smile .pixel-eye b{display:none}
.teacher-pip.eyes-smile .pixel-eye:before{top:-8px;opacity:.8}.teacher-pip.eyes-smile .eye-left:before{transform:rotate(-5deg)}.teacher-pip.eyes-smile .eye-right:before{transform:rotate(5deg)}
.teacher-pip.eyes-focus .pixel-eye{height:19px}.teacher-pip.eyes-focus .eye-left{transform:rotate(7deg)}.teacher-pip.eyes-focus .eye-right{transform:rotate(-7deg)}
.teacher-pip.eyes-focus .eye-left:before{top:-5px;transform:rotate(12deg)}.teacher-pip.eyes-focus .eye-right:before{top:-5px;transform:rotate(-12deg)}
.teacher-pip.eyes-speaking{animation:tesiaPeek 2.8s ease-in-out infinite}
@keyframes tesiaPeek{0%,100%{margin-bottom:0}50%{margin-bottom:2px}}
.teacher-pip.eyes-speaking .pixel-eye{animation:tesiaBlink 3.6s ease-in-out infinite}
.teacher-pip.eyes-speaking .pixel-eye.eye-right{animation-delay:-.12s}
@keyframes tesiaBlink{0%,43%,100%{height:23px}45%,49%{height:3px}51%,55%{height:23px}}
.video-shell:has(.summary-scene) .teacher-pip{left:49%;top:24%}
.video-shell:has(.structure-scene) .teacher-pip{left:5.7%;top:13%}
.video-shell:has(.grammar-scene) .teacher-pip{left:6%;top:14%}
.video-shell:has(.topic-scene) .teacher-pip{left:50%;top:17%;transform:translateX(-50%)}
.video-shell:has(.topic-scene) .pixel-eye,.video-shell:has(.topic-scene) .pixel-eye:before{background:#fff}
.video-shell:has(.topic-scene) .pixel-eye b{background:#0b1c33}
.subtitle-bar{right:6.5%}
@media(max-width:780px){.teacher-pip,.teacher-pip.mouth-open,.video-shell:has(.summary-scene) .teacher-pip,.video-shell:has(.structure-scene) .teacher-pip,.video-shell:has(.grammar-scene) .teacher-pip{left:5%;right:auto;top:24%;bottom:auto;width:50px;height:23px}.video-shell:has(.topic-scene) .teacher-pip{left:50%;top:18%}.pixel-eye{width:18px;height:21px}.pixel-eye b{left:7px;top:14px;width:5px;height:7px}.subtitle-bar{right:12px}}

/* Lesson studio: the lecture fills the student's handout into the complete note. */
.lesson-sync-strip{min-height:76px;padding:10px 28px 10px 248px;display:grid;grid-template-columns:1fr 28px 1.2fr 28px 1fr auto;align-items:center;gap:8px;background:#f7f5ef;border-bottom:1px solid #d4d0c7}
.lesson-sync-strip article{min-width:0;padding:5px 12px;border-left:2px solid #cbd0d4}
.lesson-sync-strip article.active{border-left-color:#163b62;background:#edf2f5}
.lesson-sync-strip article small,.lesson-sync-strip article b,.lesson-sync-strip article span{display:block}
.lesson-sync-strip article small{font:700 7px "DM Sans";letter-spacing:.13em;color:#7c8996}
.lesson-sync-strip article b{margin-top:2px;font-size:11px;color:#122c4d}
.lesson-sync-strip article span{margin-top:2px;font-size:8px;color:#7a8189;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lesson-sync-strip>i{font-style:normal;text-align:center;color:#a7abae}
.sync-status{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #b7c5d2;background:#fff;white-space:nowrap}
.sync-status span{width:7px;height:7px;border-radius:50%;background:#4d8a72;box-shadow:0 0 0 4px #e1eee8}
.sync-status b{font-size:9px;color:#264764}
.lesson-workspace{min-height:calc(100vh - 205px)}
.player-column{padding-top:18px}
.video-shell{aspect-ratio:16/8.8;background:#d8d6cf;box-shadow:0 14px 34px #172b4424}
.video-stage{padding:14px 18px 56px;background:#dedbd4}
.workbook-lesson-page{position:relative;height:100%;padding:0;background:#fffefa;border:1px solid #c9cfd3;box-shadow:5px 6px 0 #c8c5be;overflow:hidden}
.content-scene.workbook-lesson-page,.summary-scene.workbook-lesson-page{display:block;padding:0;grid-template-columns:none}
.workbook-page-header{height:48px;display:grid;grid-template-columns:46px 1fr auto;align-items:center;background:#102d4b;color:white;border-bottom:1px solid #d7d3ca}
.workbook-page-header>span{display:grid;place-items:center;align-self:stretch;background:#6e8296;font:700 10px "DM Sans"}
.workbook-page-header div{padding-left:13px}
.workbook-page-header small,.workbook-page-header b{display:block}
.workbook-page-header small{font:700 6px "DM Sans";letter-spacing:.14em;color:#b8c7d5}
.workbook-page-header b{margin-top:2px;font-size:12px}
.workbook-page-header em{margin-right:18px;padding:5px 7px;background:#f0ede4;color:#233d59;font-size:7px;font-weight:800}
.workbook-content-grid{height:calc(100% - 48px);display:grid;grid-template-columns:44% 56%;padding:18px;gap:22px}
.workbook-content-grid .visual-card{position:relative;width:100%;height:100%;min-height:0;align-self:stretch;border:1px solid #d4d6d5}
.workbook-content-grid .scene-copy{position:relative;align-self:stretch;padding:6% 3% 4% 0;overflow:hidden}
.workbook-content-grid .scene-copy h2{font-size:clamp(19px,2vw,31px);margin:8px 0 12px;line-height:1.3}
.workbook-content-grid .scene-copy p{font-size:clamp(9px,.9vw,13px);line-height:1.7}
.workbook-content-grid .scene-step{display:block;font:700 8px "DM Sans";letter-spacing:.13em;color:#456986}
.workbook-content-grid .paragraph-index{position:absolute;right:0;top:2%;font-size:54px;color:#e4ded1}
.workbook-content-grid .key-line{margin-top:14px;padding:10px 12px;border-left:3px solid #6e8aa5;background:#eff3f5;font-size:10px}
.workbook-content-grid .summary-points{margin-top:12px}
.student-note-guide{position:absolute;left:0;right:3%;bottom:2%;padding-top:9px;border-top:1px solid #d6d3cc;color:#7b8490}
.student-note-guide small{font:700 7px "DM Sans";letter-spacing:.12em;color:#3e617f}
.student-note-guide span{margin-left:8px;font-size:8px}
.student-note-guide i{display:block;height:1px;margin-top:7px;background:#d9d6cf}
.student-note-guide.compact{position:relative;left:auto;right:auto;bottom:auto;margin-top:12px}
.annotation-reveal{opacity:.18;transform:translateY(3px);filter:saturate(.35);transition:opacity .3s,transform .3s,filter .3s,box-shadow .3s}
.annotation-reveal.reveal-active,.annotation-reveal.reveal-done{opacity:1;transform:none;filter:none}
.annotation-reveal.reveal-active:not(.visual-card){box-shadow:inset 3px 0 0 #6e8ca8}
.scene-copy h2.annotation-reveal,.scene-copy p.annotation-reveal{padding-left:9px}

.structure-scene.workbook-lesson-page,.grammar-scene.workbook-lesson-page,.topic-scene.workbook-lesson-page{padding:0;background:#fffefa}
.topic-scene.workbook-lesson-page{display:block;text-align:left;color:#122c4d}
.structure-note-layout{height:calc(100% - 48px);display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:16px;padding:18px 20px}
.structure-note-main{min-width:0;overflow:hidden}
.structure-note-main .sentence-heading span{color:#385e7f}
.structure-note-main .english-sentence{margin:25px 0 12px;gap:5px}
.structure-note-main .chunk{padding:4px 5px;font-size:clamp(13px,1.4vw,20px);line-height:1.4}
.structure-note-main .syntax-row{margin-right:0;gap:5px}
.structure-note-main .syntax-tag{padding:5px 7px;font-size:8px}
.structure-note-main .direct-translation{margin:12px 0 0;padding:9px 11px}
.structure-note-main .direct-translation p{font-size:10px;line-height:1.55}
.structure-note-layout .exam-radar{position:static;width:auto;height:100%;padding:14px 12px;background:#102d4b;overflow:hidden}
.structure-note-layout .radar-score{font-size:24px;color:#e8d6ab}
.structure-note-layout .radar-item b{font-size:9px}.structure-note-layout .radar-item span{font-size:7px;line-height:1.55}
.structure-note-layout .annotation-reveal.reveal-active{box-shadow:inset 3px 0 0 #d8c28e}

.grammar-note-layout{height:calc(100% - 48px);padding:18px 24px;position:relative}
.grammar-note-layout .grammar-head small{color:#3c6282}
.grammar-note-layout .grammar-question{width:82%;margin-top:3%}
.grammar-note-layout .grammar-question h2{font-size:clamp(16px,1.65vw,24px)}
.grammar-note-layout .grammar-question h2 mark{background:#e4edf2}
.grammar-note-layout .grammar-explain{width:100%;margin-top:14px}
.grammar-note-layout .writing-mission{left:24px;right:64px;bottom:16px}
.grammar-note-layout .grammar-progress{right:18px;top:80px}
.topic-note-body{height:calc(100% - 48px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5% 14%;text-align:center;background:#f8f6f0;color:#122c4d}
.topic-note-body small{font:700 8px "DM Sans";letter-spacing:.15em;color:#55738f}
.topic-note-body h2{font-size:clamp(24px,3vw,42px);margin:18px 0 12px;padding:4px 11px;background:linear-gradient(transparent 58%,#dce9ef 58%)}
.topic-note-body p{max-width:680px;font-size:12px;line-height:1.8}
.topic-keywords{margin-top:15px;padding:9px 12px;border:1px solid #c9d2d9;background:#fff;font-size:9px}
.topic-note-scene.annotation-reveal.reveal-active{box-shadow:none}
.video-shell:has(.workbook-lesson-page) .teacher-pip{left:auto!important;right:13%!important;top:7px!important;transform:none!important}
.lesson-output-dock{width:min(100%,1120px);margin:8px auto 0;display:grid;grid-template-columns:1fr 18px 1fr auto;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid #c9c5bc;background:#f6f3ec}
.lesson-output-dock div small,.lesson-output-dock div b{display:block}
.lesson-output-dock div small{font:700 7px "DM Sans";letter-spacing:.12em;color:#637b90}
.lesson-output-dock div b{margin-top:2px;font-size:8px;color:#445265}
.lesson-output-dock>span{color:#a0a5a8;text-align:center}
.lesson-output-dock button{padding:8px 11px;background:#102d4b;color:#fff;font-size:8px;font-weight:800;white-space:nowrap}
.lesson-output-dock button b{margin-left:8px}
.rights-check i{background:#eee7d8!important;color:#705d36!important}

@media(max-width:1100px){
  .lesson-sync-strip{padding-left:205px;grid-template-columns:1fr 18px 1.2fr 18px 1fr}.sync-status{display:none}
  .structure-note-layout{grid-template-columns:minmax(0,1fr) 180px}.lesson-output-dock{grid-template-columns:1fr 14px 1fr auto}
}
.library-search{display:grid;grid-template-columns:1fr auto;gap:7px;margin:0 0 7px}.library-search input{min-width:0;padding:10px 12px;border:1px solid #d5d0c7;background:#fff;color:var(--ink);font-size:11px;outline:none}.library-search input:focus{border-color:var(--blue);box-shadow:0 0 0 2px #25528818}.library-search button{padding:0 16px;background:var(--blue);color:#fff;font-size:10px;font-weight:800}.library-status{margin:0 0 11px;color:#7a8490;font-size:9px}.library-load-more{display:block;width:100%;margin-top:9px;padding:10px;border:1px solid #b9c6d5;background:#edf2f7;color:var(--blue);font-size:10px;font-weight:900}.library-load-more:hover{background:#dfe8f1}.library-load-more:disabled{opacity:.55;cursor:wait}.library-load-more[hidden]{display:none}#textbookCatalog{display:none!important}
.mock-picker{margin:14px 0 18px;padding:18px;border:1px solid #b9c9d7;background:linear-gradient(135deg,#f4f8fa,#fffdf8)}
.mock-picker[hidden]{display:none}
.mock-picker-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;border-bottom:1px solid #d7dfe4;padding-bottom:13px}.mock-picker-head small{display:block;font:700 8px "DM Sans";letter-spacing:.16em;color:#52718e}.mock-picker-head b{display:block;margin-top:5px;font-size:16px;color:#132d4b}.mock-picker-head p{margin:5px 0 0;color:#728091;font-size:10px}.mock-picker-head>span{flex:0 0 auto;padding:7px 10px;background:#102d4b;color:#fff;font-size:10px;font-weight:800}
.mock-picker-filters{display:grid;grid-template-columns:88px 88px 88px minmax(120px,1fr) minmax(220px,1.65fr) minmax(120px,.9fr);gap:8px;margin-top:13px}.mock-picker-filters label{display:flex;flex-direction:column;gap:5px}.mock-picker-filters label span{font-size:9px;font-weight:800;color:#60758a}.mock-picker-filters select{min-width:0;padding:9px;border:1px solid #cbd5dd;background:#fff;color:#243b55;font-size:10px}.mock-picker-filters select:disabled{background:#eef1f3;color:#9aa5ad}
.mock-picker-toolbar{display:flex;align-items:center;gap:8px;margin-top:12px}.mock-picker-toolbar button{padding:8px 10px;border:1px solid #b9c8d3;background:#fff;color:#254765;font-size:9px;font-weight:800}.mock-picker-toolbar button:disabled{opacity:.45}.mock-picker-toolbar span{margin-left:auto;color:#7a8792;font-size:9px}.mock-question-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;margin-top:12px;max-height:235px;overflow:auto;padding-right:2px}.mock-picker-empty{grid-column:1/-1;padding:25px 12px;text-align:center;border:1px dashed #ccd5dc;color:#87929b;background:#fff;font-size:10px}.mock-question-item{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;align-items:center;column-gap:7px;padding:9px 9px;border:1px solid #d7dfe5;background:#fff;cursor:pointer}.mock-question-item:hover{border-color:#7da1bf}.mock-question-item.is-checked{border-color:#1f5685;background:#edf5fa;box-shadow:inset 0 0 0 1px #1f5685}.mock-question-item input{grid-row:1/3;accent-color:#183b61}.mock-question-number{font-size:11px;font-weight:900;color:#163959}.mock-question-detail{font-size:8px;color:#87929b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mock-question-item i{position:absolute;right:6px;top:4px;font-style:normal;font-size:9px;color:#237b6a;opacity:0}.mock-question-item.is-checked i{opacity:1}.mock-picker-add{display:block;width:100%;margin-top:12px;padding:11px;border:0;background:#183b61;color:#fff;font-size:10px;font-weight:900}.mock-picker-add:disabled{background:#c8cdd1;color:#fff}.mock-picker-add b{float:right;font-size:15px;line-height:9px}
@media(max-width:780px){.mock-picker{padding:13px}.mock-picker-head{display:block}.mock-picker-head>span{display:inline-block;margin-top:10px}.mock-picker-filters{grid-template-columns:1fr 1fr;}.mock-picker-filters .mock-picker-source,.mock-picker-filters .mock-picker-exam{grid-column:1/-1}.mock-picker-toolbar{flex-wrap:wrap}.mock-picker-toolbar span{width:100%;margin-left:0}.mock-question-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:260px}}
@media(max-width:780px){
  .lesson-sync-strip{padding:8px 10px;grid-template-columns:1fr;gap:5px}.lesson-sync-strip>i{display:none}.lesson-sync-strip article{display:grid;grid-template-columns:74px 1fr;align-items:center;padding:4px 8px}.lesson-sync-strip article small{grid-row:1/3}.lesson-sync-strip article b{font-size:9px}.lesson-sync-strip article span{font-size:7px;white-space:normal}.lesson-sync-strip article.active{background:#edf2f5}
  .video-shell{aspect-ratio:10/10.7}.video-stage{padding:10px 8px 54px}.workbook-page-header{grid-template-columns:36px 1fr}.workbook-page-header em{display:none}
  .workbook-content-grid{display:block;padding:12px}.workbook-content-grid .visual-card{display:none}.workbook-content-grid .scene-copy{padding:2% 1%;height:100%}.workbook-content-grid .scene-copy h2{font-size:17px;margin:5px 0}.student-note-guide{display:block;bottom:1%}
  .structure-note-layout{display:block;padding:12px}.structure-note-layout .exam-radar{height:auto;margin-top:10px;display:grid;grid-template-columns:70px 1fr 1fr;gap:6px}.structure-note-layout .radar-score{font-size:20px}.structure-note-main .english-sentence{margin-top:21px}.structure-note-main .chunk{font-size:12px}.structure-note-main .direct-translation{margin-top:8px}
  .grammar-note-layout{padding:12px}.grammar-note-layout .grammar-question{width:100%}.grammar-note-layout .writing-mission{left:12px;right:12px;bottom:12px}.grammar-note-layout .grammar-progress{display:none}
  .lesson-output-dock{grid-template-columns:1fr auto}.lesson-output-dock>span,.lesson-output-dock>div:nth-of-type(2){display:none}.lesson-output-dock button{font-size:7px}
  .video-shell:has(.workbook-lesson-page) .teacher-pip{right:16%!important;top:7px!important}
}

/* TESIA landing signature: replace the portrait with the teacher's eyes. */
.hero-tesia-signature{position:absolute;right:5.5%;bottom:20%;width:118px;height:70px;display:flex;align-items:center;justify-content:center;background:transparent;border:0;box-shadow:none;overflow:visible}
.signature-eye-stage{width:96px;height:58px;display:flex;align-items:flex-end;justify-content:space-between;padding:0 7px;margin:0}
.signature-eye{position:relative;display:block;width:29px;height:36px;background:#080808;transition:height .18s,transform .18s}
.signature-eye:before{content:"";position:absolute;left:1px;top:-10px;width:27px;height:4px;background:#080808;transform-origin:center}
.signature-eye.eye-left:before{transform:rotate(4deg)}
.signature-eye.eye-right:before{transform:rotate(-4deg)}
.signature-eye b{position:absolute;left:12px;top:23px;width:8px;height:10px;background:#fff;animation:tesiaSignatureLook 5.4s ease-in-out infinite}
.signature-eye.eye-right b{animation-delay:-.12s}
@keyframes tesiaSignatureLook{0%,20%,100%{transform:translate(0,0)}36%,48%{transform:translate(3px,-1px)}65%,76%{transform:translate(-3px,0)}}
@media(max-width:780px){.hero-tesia-signature{right:5%;bottom:17%;width:92px;height:58px}.signature-eye-stage{transform:scale(.82);margin:0}}

/* Real PDF examples on the landing page. */
.materials-showcase{display:none;padding:118px 7.5vw 105px;background:#f7f4ed;border-top:1px solid #d7d1c6}
body[data-view="landing"] .materials-showcase{display:block}
.showcase-heading{display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:8vw;padding-top:15px;border-top:1px solid #c9c3b9}
.showcase-heading>div>span{font:700 9px "DM Sans";letter-spacing:.17em;color:#58728d}
.showcase-heading h2{margin:30px 0 0;font-size:clamp(38px,4.4vw,68px);line-height:1.12;letter-spacing:-.06em;color:#10233c}
.showcase-heading>p{max-width:490px;margin:0 0 8px;font-size:13px;line-height:1.9;color:#667282}
.material-demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:70px}
.material-demo{display:grid;grid-template-columns:minmax(235px,.9fr) 1.1fr;min-height:500px;border:1px solid #c8c3ba;background:#fffefa;overflow:hidden}
.material-demo.complete-demo{background:#eef2f4;border-color:#c4cdd4}
.demo-paper{position:relative;min-width:0;padding:25px 20px 0;background:#e8e5de;overflow:hidden}
.complete-demo .demo-paper{background:#dce3e7}
.demo-paper:after{content:"A4 · 210 × 297";position:absolute;left:20px;bottom:12px;font:700 7px "DM Sans";letter-spacing:.13em;color:#6c7782}
.demo-paper img{display:block;width:100%;height:440px;object-fit:cover;object-position:top center;background:white;border:1px solid #c7c7c3;box-shadow:6px 7px 0 #c9c6bf}
.complete-demo .demo-paper img{box-shadow:6px 7px 0 #bcc7ce}
.demo-copy{align-self:center;padding:45px 34px}
.demo-copy small{font:700 8px "DM Sans";letter-spacing:.15em;color:#5d7892}
.demo-copy h3{margin:8px 0 14px;font-size:27px;letter-spacing:-.045em;color:#102c4a}
.demo-copy p{margin:0;font-size:11px;line-height:1.8;color:#667281}
.demo-copy a{display:inline-flex;align-items:center;gap:22px;margin-top:30px;padding:11px 14px;background:#102d4b;color:white;text-decoration:none;font-size:9px;font-weight:800}
.demo-copy a b{font-size:13px}
.showcase-flow{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:46px;padding:21px;border-top:1px solid #ccc6bc;border-bottom:1px solid #ccc6bc;color:#405066}
.showcase-flow span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#102d4b;color:white;font:700 8px "DM Sans"}
.showcase-flow b{font-size:10px}.showcase-flow i{font-style:normal;color:#a7a49c;margin:0 8px}

/* Account UI. Real authentication is connected later with Supabase + Google OAuth. */
.auth-screen{min-height:100vh;background:#f4f1e9}
.auth-header{height:72px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;background:#10233c;color:white;border-bottom:1px solid #ffffff1d}
.auth-header .lesson-logo{width:auto}.auth-header>button:last-child{padding:9px 13px;border:1px solid #ffffff36;font-size:10px;color:#d9e2eb}
.auth-layout{min-height:calc(100vh - 72px);display:grid;grid-template-columns:.9fr 1.1fr}
.auth-brand{position:relative;padding:12vh 8vw;background:#10233c;color:white;overflow:hidden}
.auth-brand:after{content:"";position:absolute;width:520px;height:520px;right:-300px;bottom:-260px;border:1px solid #ffffff1e;border-radius:50%}
.auth-eye-stage{width:116px;height:72px;display:flex;align-items:flex-end;justify-content:space-between;padding:0 8px;margin-bottom:62px}
.auth-eye-stage>i{position:relative;width:35px;height:44px;background:#080808}
.auth-eye-stage>i:before{content:"";position:absolute;left:1px;top:-12px;width:33px;height:5px;background:#080808}
.auth-eye-stage>i:first-child:before{transform:rotate(4deg)}.auth-eye-stage>i:last-child:before{transform:rotate(-4deg)}
.auth-eye-stage b{position:absolute;left:14px;top:28px;width:10px;height:12px;background:#fff;animation:tesiaSignatureLook 5.4s ease-in-out infinite}
.auth-eye-stage>i:last-child b{animation-delay:-.12s}
.auth-brand>small{font:700 9px "DM Sans";letter-spacing:.18em;color:#9fb2c6}
.auth-brand h2{margin:22px 0;font-size:clamp(40px,4.3vw,66px);line-height:1.12;letter-spacing:-.06em}
.auth-brand>p{max-width:480px;color:#b8c6d5;font-size:13px;line-height:1.9}
.auth-brand ul{list-style:none;padding:0;margin:58px 0 0;max-width:470px;border-top:1px solid #ffffff28}
.auth-brand li{padding:16px 0;border-bottom:1px solid #ffffff1d;font-size:10px;color:#d4dde7}
.auth-brand li:before{content:"✓";margin-right:13px;color:#91b5a5}
.auth-panel{align-self:center;width:min(480px,calc(100% - 50px));margin:auto;padding:30px 0 50px}
.auth-mode-tabs{display:flex;border-bottom:1px solid #c9c4ba}
.auth-mode-tabs button{position:relative;padding:12px 18px;font-size:11px;font-weight:800;color:#8a8e92}
.auth-mode-tabs button.active{color:#102d4b}.auth-mode-tabs button.active:after{content:"";position:absolute;left:15px;right:15px;bottom:-1px;height:2px;background:#102d4b}
.auth-title{margin:42px 0 28px}.auth-title small{font:700 8px "DM Sans";letter-spacing:.17em;color:#5d7892}.auth-title h1{margin:8px 0;font-size:34px;letter-spacing:-.05em;color:#10233c}.auth-title p{margin:0;font-size:11px;color:#79818b}
.google-auth{width:100%;padding:14px;border:1px solid #bfc3c6;background:#fffefa;color:#24384f;font-size:11px;font-weight:800}.google-auth span{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:10px;border-radius:50%;background:#fff;border:1px solid #d1d5d8;color:#3567ad;font:800 11px "DM Sans"}
.google-auth-host{display:grid;place-items:center;min-height:44px;border:1px solid #d0ccc4;background:#fffefa}.google-auth-host>span{color:#8a8f95;font-size:9px}.google-auth-host>div{width:100%!important}.google-auth-host iframe{margin:auto!important}
.auth-divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:#92969a;font-size:8px}.auth-divider i{height:1px;background:#d2cec6;flex:1}
.email-auth{display:grid;gap:16px}.email-auth label span{display:block;margin-bottom:7px;font-size:9px;font-weight:800;color:#405067}.email-auth input{width:100%;padding:13px 14px;border:1px solid #c9c5bd;background:#fffefa;outline:none;font:500 11px "DM Sans"}.email-auth input:focus{border-color:#456987;box-shadow:inset 0 0 0 1px #456987}.email-auth>button{margin-top:4px;padding:14px;background:#102d4b;color:white;font-size:11px;font-weight:800}
.auth-notice{min-height:38px;margin:18px 0 0;padding:10px 12px;background:#e9eef1;color:#4d657b;font-size:8px;line-height:1.55}.auth-notice.success{background:#e3eee8;color:#3b6c57}.auth-terms{margin-top:15px;text-align:center;font-size:7px;color:#999994}
.signup-policy{margin:16px 0;padding:13px 14px;border:1px solid #d6dedc;background:#f7faf8;border-radius:10px}.signup-policy[hidden]{display:none}.policy-check{display:flex;align-items:flex-start;gap:9px;font-size:10px;line-height:1.65;color:#34475b}.policy-check input{flex:0 0 auto;width:16px;height:16px;margin:2px 0 0;accent-color:#3d765f}.policy-check a{font-weight:800;color:#285b49;text-decoration:underline;text-underline-offset:2px}.signup-policy p{margin:7px 0 0 25px;color:#718092;font-size:8px;line-height:1.55}

@media(max-width:1100px){.material-demo{grid-template-columns:1fr;min-height:0}.demo-paper{height:430px}.demo-paper img{height:480px}.demo-copy{padding:30px}.auth-brand{padding-left:6vw;padding-right:6vw}}
@media(max-width:780px){
  .materials-showcase{padding:80px 22px}.showcase-heading{grid-template-columns:1fr;gap:25px}.showcase-heading h2{font-size:42px}.material-demo-grid{grid-template-columns:1fr;margin-top:45px}.material-demo{grid-template-columns:42% 58%}.demo-paper{height:370px;padding:15px 10px}.demo-paper img{height:410px}.demo-paper:after{left:10px}.demo-copy{padding:24px 18px}.demo-copy h3{font-size:21px}.showcase-flow{flex-wrap:wrap}.showcase-flow i{margin:0}
  .auth-layout{grid-template-columns:1fr}.auth-brand{padding:55px 28px}.auth-eye-stage{transform:scale(.8);transform-origin:left bottom;margin-bottom:35px}.auth-brand h2{font-size:40px}.auth-brand ul{display:none}.auth-panel{padding-top:45px}
}
@media(max-width:520px){.material-demo{grid-template-columns:1fr}.demo-paper{height:320px}.demo-paper img{height:370px}.showcase-flow b{width:72%;text-align:left}.showcase-flow i{display:none}.auth-header{padding:0 18px}.auth-panel{width:calc(100% - 38px)}}

/* Authentication opens above the landing page instead of replacing it. */
.site-header nav .nav-signup{padding:8px 12px;border:1px solid #ffffff45;color:#fff}
.auth-modal{z-index:120}
.auth-modal .modal-backdrop{background:#06162dcc;backdrop-filter:blur(6px)}
.auth-dialog{position:absolute;left:50%;top:50%;width:min(1080px,92vw);height:min(720px,88vh);display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden;background:#f4f1e9;box-shadow:0 35px 100px #0006;transform:translate(-50%,-50%)}
.auth-dialog .auth-brand{padding:8vh 5vw;overflow:auto}
.auth-dialog .auth-eye-stage{margin-bottom:40px}
.auth-dialog .auth-brand h2{font-size:clamp(34px,3.5vw,54px)}
.auth-dialog .auth-brand ul{margin-top:35px}
.auth-dialog .auth-panel{width:min(450px,calc(100% - 45px));max-height:100%;padding:35px 0;overflow:auto}
.auth-close{position:absolute;z-index:4;right:18px;top:14px;width:34px;height:34px;border:1px solid #b8b5ad;background:#fffefa;color:#10233c;font-size:24px;line-height:1}

@media(max-width:780px){
  .site-header nav{display:flex;gap:7px}
  .site-header nav button[data-scroll],.site-header nav #setupOpen{display:none}
  .site-header nav button[data-auth-open]{display:block;font-size:10px}
  .auth-dialog{width:94vw;height:90vh;grid-template-columns:1fr;overflow:auto}
  .auth-dialog .auth-brand{display:none}
  .auth-dialog .auth-panel{width:calc(100% - 42px);padding:55px 0 35px}
}

/* The landing sample plays inside the visible preview instead of navigating away. */
.hero-player-control div i{width:0;transition:width .18s linear}
.hero-player.demo-playing{box-shadow:0 26px 80px #061a3a30,0 0 0 3px #f1783224}
.hero-player.demo-playing .preview-content{animation:demoLessonPulse 2.6s ease-in-out infinite}
.text-button.playing{color:#fff}
@keyframes demoLessonPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}

/* Final mobile layout: keep the first screen readable and the sample player usable. */
@media(max-width:780px){
  .site-header{height:64px;padding:0 16px;gap:12px}
  .site-header .logo{flex:none;gap:8px;font-size:16px;letter-spacing:.09em}
  .site-header .logo-symbol{width:30px;height:30px;font-size:18px}
  .site-header nav{display:none!important}
  .header-cta{flex:none;padding:9px 12px;font-size:10px;white-space:nowrap}
  .header-cta span{margin-left:5px}

  .landing{height:auto;min-height:875px;overflow:hidden}
  .orbit-a{width:460px;height:460px;right:-250px;top:300px}
  .orbit-b{display:none}
  .hero-copy{top:102px;left:18px;right:18px;max-width:none}
  .kicker{font-size:8px;letter-spacing:.13em}
  .hero-copy h1{margin:17px 0 14px;font-size:47px;line-height:.95;letter-spacing:-.065em}
  .hero-copy h1 em:after{bottom:-5px;height:2px}
  .hero-description{max-width:345px;margin-top:22px;font-size:12px;line-height:1.65}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:20px}
  .hero-actions .primary-button{gap:8px;padding:13px 14px;font-size:11px;box-shadow:none}
  .hero-actions .primary-button b{font-size:16px}
  .hero-actions .text-button{display:flex;align-items:center;justify-content:center;padding:7px 4px;font-size:10px;white-space:nowrap}
  .hero-actions .text-button span{width:27px;height:27px;margin-right:6px}

  .hero-player{top:445px;left:16px;right:16px;width:auto;height:300px;aspect-ratio:auto;transform:none;animation:none;box-shadow:0 22px 55px #0006}
  .hero-player-top{height:36px;padding:0 13px;font-size:8px}
  .hero-player-stage{height:224px;padding:14px 14px 48px}
  .preview-label{font-size:8px}
  .landing-demo-photo{right:14px;top:43px;width:31%;height:88px;border-width:2px}
  .landing-demo-photo span{padding:4px 5px;font-size:5px}
  .preview-content{width:63%;margin-top:10px}
  .preview-content small{font-size:7px}
  .preview-content p{margin:6px 0;font-size:12px;line-height:1.32}
  .preview-roles{padding:5px 6px;font-size:7px;border-left-width:2px;white-space:nowrap}
  .preview-roles b{width:13px;height:13px;margin-left:3px;font-size:6px}
  .preview-translation{margin-top:6px;font-size:7px;line-height:1.4}
  .preview-tip{left:14px;right:14px;bottom:10px;gap:6px;font-size:7px;line-height:1.35}
  .preview-tip b{flex:none;padding:4px 5px}
  .hero-tesia-signature,.floating-chip{display:none}
  .hero-player-control{height:40px;padding:0 13px;gap:10px}
  .hero-player-control small,.hero-player-control b{font-size:8px}

  .materials-showcase{padding:68px 18px}
  .showcase-heading h2{font-size:34px}
  .input-header{height:64px;padding:0 16px;letter-spacing:.08em}
  .input-main{min-height:calc(100vh - 64px)}
  .input-intro{padding:36px 18px 8px}
  .input-intro h2{margin:18px 0 12px;font-size:34px}
  .input-intro ol{display:none}
  .passage-panel{margin:18px;padding:18px;box-shadow:7px 7px 0 #dfd8cc}
  .passage-source-tabs{margin:-18px -18px 18px}
  .passage-source-tabs button{padding:14px 12px;font-size:10px}
  .passage-panel textarea{height:230px;padding:15px;font-size:14px}
  .passage-actions{align-items:stretch;flex-direction:column}
  .passage-actions button{width:100%}
  .auth-title{margin:28px 0 24px}
  .auth-title h1{font-size:28px;line-height:1.18}
}

@media(max-width:370px){
  .header-cta{padding:8px 9px;font-size:9px}
  .hero-copy h1{font-size:43px}
  .hero-actions{grid-template-columns:1fr}
  .hero-actions .text-button{justify-content:flex-start}
  .hero-player{top:480px;height:292px}
  .hero-player-stage{height:216px}
  .preview-content p{font-size:11px}
}

/* Hand-drawn lesson cues: the marker and star animate only while the sample plays. */
.preview-content p .hand-highlight{position:relative;display:inline-block;isolation:isolate;background:none}
.hand-highlight:before{content:"";position:absolute;z-index:-1;left:-3px;right:-4px;top:48%;height:56%;background:#f2c76f;clip-path:polygon(0 20%,100% 4%,97% 91%,2% 100%);opacity:.78;transform:scaleX(0) rotate(-1.2deg);transform-origin:left center}
.marker-nib{position:absolute;z-index:3;left:0;top:70%;width:15px;height:7px;border-radius:2px;background:linear-gradient(90deg,#f7d98d 0 66%,#213f63 67%);box-shadow:0 2px 3px #0b203444;opacity:0;transform:translate(-50%,-50%) rotate(-13deg);pointer-events:none}
.hand-star{position:absolute;z-index:4;right:-27px;top:-19px;width:27px;height:27px;overflow:visible;filter:drop-shadow(0 1px 0 #fff8);pointer-events:none}
.hand-star path{fill:none;stroke:#24466f;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:105;stroke-dashoffset:105}
.hero-player.demo-started .hand-highlight:before{animation:handMarkerFill .95s cubic-bezier(.2,.72,.22,1) .28s forwards}
.hero-player.demo-started .marker-nib{animation:handMarkerNib .95s cubic-bezier(.2,.72,.22,1) .25s forwards}
.hero-player.demo-started .hand-star path{animation:handStarDraw .9s ease-in-out 1.28s forwards}
.hero-player.demo-started .hand-star{animation:handStarSettle .38s ease-out 2.05s both}
.hero-player.demo-started:not(.demo-playing) .hand-highlight:before,.hero-player.demo-started:not(.demo-playing) .marker-nib,.hero-player.demo-started:not(.demo-playing) .hand-star,.hero-player.demo-started:not(.demo-playing) .hand-star path{animation-play-state:paused}
@keyframes handMarkerFill{0%{transform:scaleX(0) rotate(-1.2deg)}65%{transform:scaleX(.72) rotate(-.5deg)}100%{transform:scaleX(1) rotate(-1.2deg)}}
@keyframes handMarkerNib{0%{left:0;opacity:0;transform:translate(-50%,-50%) rotate(-18deg)}8%{opacity:1}88%{opacity:1}100%{left:102%;opacity:0;transform:translate(-50%,-50%) rotate(-8deg)}}
@keyframes handStarDraw{0%{stroke-dashoffset:105}100%{stroke-dashoffset:0}}
@keyframes handStarSettle{0%{transform:scale(.82) rotate(-8deg)}70%{transform:scale(1.16) rotate(4deg)}100%{transform:scale(1) rotate(0)}}
@media(max-width:780px){.hand-star{right:-21px;top:-15px;width:21px;height:21px}.marker-nib{width:12px;height:6px}}
@media(prefers-reduced-motion:reduce){.hero-player.demo-started .hand-highlight:before{animation:none;transform:scaleX(1) rotate(-1.2deg)}.hero-player.demo-started .marker-nib{display:none}.hero-player.demo-started .hand-star,.hero-player.demo-started .hand-star path{animation:none;stroke-dashoffset:0}}

/* Narration-synced focus: images and spoken English return to normal after their line. */
.landing-demo-photo,.hand-highlight,.lesson-photo,.landing-live-photo{transition:transform .42s cubic-bezier(.2,.82,.2,1),filter .42s,box-shadow .42s}
.hero-player.demo-photo-focus .landing-demo-photo{z-index:7;transform:scale(1.14) rotate(-1deg);filter:saturate(1.12) contrast(1.04);box-shadow:0 18px 38px #071a3866}
.hero-player.demo-keyword-focus .hand-highlight{z-index:8;transform:scale(1.2) translateY(-1px);color:#102d4b;text-shadow:0 1px 0 #fff}
.hero-player.demo-keyword-focus .hand-highlight:before{background:#f7cf72;opacity:.95}
#sceneStage .visual-card,#sceneStage .landing-live-visual{transition:box-shadow .4s,filter .4s}
#sceneStage.narration-photo-focus .visual-card,#sceneStage.narration-photo-focus .landing-live-visual{z-index:8;filter:saturate(1.08);box-shadow:0 16px 35px #10233c35,0 0 0 3px #e4bd64}
#sceneStage.narration-photo-focus .lesson-photo,#sceneStage.narration-photo-focus .landing-live-photo{transform:scale(1.1);filter:saturate(1.12) contrast(1.04)}
#sceneStage .chunk.spoken-focus,#sceneStage .demo-syntax-chunk.spoken-focus{z-index:9;transform:scale(1.13) translateY(-2px);color:#102d4b;background:#fff0a9;border-color:#d9a83d;box-shadow:0 8px 20px #10233c25,0 0 0 3px #f5d56f55}
#sceneStage .grammar-question mark,#sceneStage .key-line,#sceneStage .topic-note-body h2,#sceneStage .scene-copy h2{transition:transform .32s cubic-bezier(.2,.82,.2,1),background .32s,box-shadow .32s}
#sceneStage .grammar-question mark.spoken-focus,#sceneStage .key-line.spoken-focus,#sceneStage .topic-note-body h2.spoken-focus,#sceneStage .scene-copy h2.spoken-focus{position:relative;z-index:9;transform:scale(1.08);background:#fff0a9;box-shadow:0 7px 18px #10233c20}
@media(max-width:780px){
  .hero-player.demo-photo-focus .landing-demo-photo{transform:scale(1.09) rotate(-1deg)}
  .hero-player.demo-keyword-focus .hand-highlight{transform:scale(1.12) translateY(-1px)}
  #sceneStage .chunk.spoken-focus,#sceneStage .demo-syntax-chunk.spoken-focus{transform:scale(1.07) translateY(-1px)}
  .workbook-content-grid .visual-card{display:block;height:105px;margin-bottom:9px}
  .workbook-content-grid{display:grid;grid-template-columns:1fr;grid-template-rows:105px minmax(0,1fr);gap:8px;padding:10px}
  .workbook-content-grid .visual-card{grid-column:1;grid-row:1}
  .workbook-content-grid .scene-copy{grid-column:1;grid-row:2;min-height:0;overflow:hidden}
  #sceneStage.narration-photo-focus .lesson-photo{transform:scale(1.07)}
}
@media(prefers-reduced-motion:reduce){.hero-player.demo-photo-focus .landing-demo-photo,.hero-player.demo-keyword-focus .hand-highlight,#sceneStage.narration-photo-focus .lesson-photo,#sceneStage.narration-photo-focus .landing-live-photo,#sceneStage .spoken-focus{transform:none!important}}

/* TESIA workroom shell: a classroom-first operating surface inspired by
   worksheet studios, with TESIA's navy, paper and warm marker palette. */
.studio-header,.studio-sidebar{display:none}
body[data-view="input"] .studio-header,body[data-view="loading"] .studio-header,body[data-view="lesson"] .studio-header,body[data-view="classroom"] .studio-header,body[data-view="deliverables"] .studio-header{display:flex}
body[data-view="input"] .studio-sidebar,body[data-view="loading"] .studio-sidebar,body[data-view="lesson"] .studio-sidebar,body[data-view="classroom"] .studio-sidebar,body[data-view="deliverables"] .studio-sidebar{display:flex}
.studio-header{position:fixed;z-index:100;inset:0 0 auto 0;height:70px;align-items:center;justify-content:space-between;padding:0 32px 0 28px;background:#fffefa;border-bottom:1px solid #dfe3e5;box-shadow:0 3px 18px #1428400a}
.studio-brand{display:flex;align-items:center;gap:10px;padding:0;text-align:left;color:#102d4b}.studio-brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:#102d4b;color:#f6cf72;font:900 18px "DM Sans",sans-serif;transform:rotate(-5deg)}.studio-brand b{display:block;font:900 15px "DM Sans",sans-serif;letter-spacing:.12em}.studio-brand small{display:block;margin-top:2px;color:#8190a0;font:700 7px "DM Sans",sans-serif;letter-spacing:.14em}.studio-topnav{display:flex;align-items:center;gap:5px;margin-left:auto;margin-right:35px}.studio-topnav button{padding:9px 14px;border:1px solid transparent;color:#637083;background:transparent;font-size:10px;font-weight:800}.studio-topnav button:hover,.studio-topnav button:focus-visible{border-color:#c9d6df;background:#f3f7fa;color:#173c62}.studio-account{display:flex;align-items:center;gap:9px}.studio-avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#f0cb6a;color:#102d4b;font:900 13px "DM Sans",sans-serif}.studio-account b{display:block;color:#203b58;font-size:10px}.studio-account small{display:block;margin-top:2px;color:#9a6e28;font:700 7px "DM Sans",sans-serif;letter-spacing:.1em}.studio-credit{order:-1;padding:8px 12px;border:1px solid #d8bf79;background:#fff8df;color:#8b5a1a;border-radius:999px;font:900 10px "DM Sans",sans-serif}
.studio-sidebar{position:fixed;z-index:90;inset:70px auto 0 0;width:248px;flex-direction:column;padding:30px 19px 20px;background:#f2f5f6;border-right:1px solid #dfe3e5}.studio-sidebar-title{padding:0 12px 24px;border-bottom:1px solid #d2dadd}.studio-sidebar-title small{display:block;color:#7e96a8;font:800 8px "DM Sans",sans-serif;letter-spacing:.14em}.studio-sidebar-title b{display:block;margin-top:7px;color:#173856;font-size:16px;letter-spacing:-.04em}.studio-home-link{display:grid;grid-template-columns:26px 1fr;grid-template-rows:auto auto;column-gap:8px;margin:20px 0 21px;padding:13px 11px;text-align:left;border:1px solid #b9cad5;background:#e8f1f5;color:#173856}.studio-home-link span{grid-row:1/3;display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#83c5dd;color:#fff;font-size:16px}.studio-home-link b{font-size:11px}.studio-home-link small{margin-top:3px;color:#7090a2;font-size:8px}.studio-new-label{display:flex;align-items:center;gap:6px;padding:0 12px 10px;color:#8395a2;font-size:9px}.studio-new-label span{padding:3px 5px;background:#f1ce74;color:#76531d;font:900 7px "DM Sans";letter-spacing:.1em}.studio-steps{display:grid;gap:4px;margin:0;padding:0;list-style:none}.studio-steps li button{position:relative;display:grid;grid-template-columns:31px 1fr;align-items:center;width:100%;padding:10px 11px;text-align:left;background:transparent;color:#6b7b88}.studio-steps li button:before{content:"";position:absolute;left:26px;top:40px;width:1px;height:19px;background:#cbd5da}.studio-steps li:last-child button:before{display:none}.studio-steps i{display:grid;place-items:center;width:24px;height:24px;border:1px solid #c1ced5;border-radius:50%;color:#7890a0;font:800 10px "DM Sans";font-style:normal}.studio-steps b{display:block;font-size:10px;color:#5c6d7c}.studio-steps small{display:block;margin-top:3px;font-size:8px;color:#93a0aa}.studio-steps li.active button,.studio-steps li button:hover{background:#fffefa;box-shadow:0 3px 0 #d9e0e2}.studio-steps li.active i{border-color:#102d4b;background:#102d4b;color:#f9d677}.studio-steps li.active b{color:#102d4b}.studio-sidebar-note{display:flex;gap:9px;margin-top:auto;padding:13px 10px;border-top:1px solid #d2dadd;color:#71808b}.studio-sidebar-note p{margin:0;font-size:8px;line-height:1.6}.studio-sidebar-note p b{color:#315a76}.tesia-mini-eyes{display:flex;gap:3px;align-items:center;padding-top:2px}.tesia-mini-eyes i{display:block;width:9px;height:13px;border-radius:50%;background:#102d4b;box-shadow:inset 2px 2px #fff}
body[data-view="input"] main,body[data-view="loading"] main,body[data-view="lesson"] main,body[data-view="classroom"] main,body[data-view="deliverables"] main{padding-top:70px;padding-left:248px;background:#f7f9fa;min-height:100vh}body[data-view="input"] .site-header,body[data-view="loading"] .site-header,body[data-view="lesson"] .site-header,body[data-view="classroom"] .site-header,body[data-view="deliverables"] .site-header{display:none!important}
.studio-view{min-height:calc(100vh - 70px);padding:38px 46px 60px}.studio-page{max-width:1320px;margin:0 auto}.studio-page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.studio-page-heading small{color:#7894a8;font:800 9px "DM Sans";letter-spacing:.16em}.studio-page-heading h1{margin:7px 0 9px;color:#102d4b;font-size:35px;letter-spacing:-.065em}.studio-page-heading p{margin:0;color:#768491;font-size:11px;line-height:1.7}.studio-primary,.studio-secondary{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:12px 16px;border:1px solid #102d4b;background:#102d4b;color:#fff;font-size:10px;font-weight:900;white-space:nowrap}.studio-primary span{font-size:17px;font-weight:400}.studio-secondary{border-color:#bdcbd4;background:#fffefa;color:#315a76}.classroom-summary{display:grid;grid-template-columns:180px 180px minmax(0,1fr);gap:12px;margin-bottom:23px}.classroom-summary article{min-height:109px;padding:17px 19px;border:1px solid #d8e0e4;background:#fffefa}.classroom-summary small{display:block;color:#8095a3;font-size:9px;font-weight:800}.classroom-summary strong{display:block;margin-top:9px;color:#102d4b;font:900 28px "DM Sans"}.classroom-summary article>span{display:block;margin-top:2px;color:#a5b1b9;font:700 7px "DM Sans";letter-spacing:.12em}.classroom-summary-wide{display:flex;flex-direction:column;justify-content:center;background:#eef5f7!important}.classroom-summary-wide b{display:block;margin-top:9px;color:#2b506b;font-size:12px}.classroom-summary-wide span{margin-top:4px!important;color:#7691a2!important;font-size:9px!important;font-weight:500!important;letter-spacing:0!important}.classroom-worktable{border:1px solid #d8e0e4;background:#fffefa}.classroom-worktable>header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:22px 23px 17px;border-bottom:1px solid #dfe5e8}.classroom-worktable header small{color:#9a6b2a;font:800 8px "DM Sans";letter-spacing:.14em}.classroom-worktable header h2{margin:6px 0 0;color:#173856;font-size:19px}.classroom-tools{display:flex;align-items:flex-end;gap:8px}.classroom-tools label{display:block}.classroom-tools label span{display:block;margin-bottom:5px;color:#94a1aa;font-size:8px}.classroom-tools input{width:230px;padding:9px 11px;border:1px solid #d1dce2;background:#f8fafb;color:#27445e;font-size:10px}.classroom-tools button{padding:9px 12px;border:1px solid #cbd7dd;background:#fff;color:#567188;font-size:9px;font-weight:800}.classroom-columns{display:grid;grid-template-columns:minmax(0,1fr) 105px 110px 180px;gap:16px;padding:10px 23px;background:#f0f4f6;color:#7f909b;font-size:8px;font-weight:800}.studio-classroom-list{display:block!important;padding:0!important}.studio-lesson-row{display:grid;grid-template-columns:minmax(0,1fr) 105px 110px 180px;align-items:center;gap:16px;padding:17px 23px;border-bottom:1px solid #e7ecee}.studio-lesson-row:last-child{border-bottom:0}.studio-lesson-main{display:flex;align-items:center;gap:12px;min-width:0}.studio-lesson-mark{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:9px;background:#dcebf1;color:#2d5b73;font:900 13px "DM Sans"}.studio-lesson-main div{min-width:0}.studio-lesson-main small{display:block;color:#9a6b2a;font:800 7px "DM Sans";letter-spacing:.1em}.studio-lesson-main b{display:block;margin-top:5px;overflow:hidden;color:#1c3a55;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.studio-lesson-main p{margin:4px 0 0;overflow:hidden;color:#8b99a3;font-size:8px;text-overflow:ellipsis;white-space:nowrap}.studio-status{display:inline-flex;align-items:center;gap:5px;color:#34735f;font-size:9px;font-weight:800}.studio-status i{width:6px;height:6px;border-radius:50%;background:#6ec29a}.studio-lesson-row time{color:#8c99a2;font:500 9px "DM Sans"}.studio-lesson-actions{display:flex;gap:5px}.studio-lesson-actions button{padding:8px 9px;border:1px solid #c6d5dc;background:#fff;color:#32617c;font-size:8px;font-weight:800}.studio-lesson-actions button:first-child{background:#e8f3f6;border-color:#aad0dc}.studio-classroom-list>p,.classroom-empty{padding:54px 20px!important;text-align:center;border:0!important;color:#85939c}.classroom-empty b,.classroom-empty span{display:block}.classroom-empty span{margin-top:7px;font-size:9px}
body[data-view="input"] .input-header,body[data-view="loading"] .analysis-header,body[data-view="lesson"] .lesson-header{display:none!important}.input-screen{padding:0!important}.input-main{max-width:1250px!important;min-height:calc(100vh - 70px)!important;margin:0 auto!important;padding:45px 46px!important;display:grid!important;grid-template-columns:275px minmax(0,1fr)!important;gap:48px!important}.input-intro{padding:15px 0!important}.input-intro h2{font-size:35px!important}.input-intro ol{display:grid!important}.passage-panel{margin:0!important;box-shadow:6px 6px 0 #dde5e8!important;border-color:#cddbe2!important}.passage-source-tabs{background:#eef5f7!important}.passage-source-tabs button{font-size:10px!important}.library-head h3{font-size:20px!important}
body[data-view="loading"] .analysis-screen{padding:0!important}.analysis-layout{max-width:1240px!important;margin:0 auto!important;padding:38px 46px 60px!important}.analysis-copy{max-width:850px!important;margin:0 auto!important}.analysis-copy h2{font-size:36px!important}.analysis-layout>.material-preview{display:none!important}.analysis-layout:after{content:"강의가 완성되면 4단계 다운로드 화면이 열립니다.";display:block;max-width:850px;margin:18px auto 0;padding:15px 18px;border:1px dashed #b9ccd6;background:#f3f8fa;color:#708795;font-size:10px}
.deliverables-page{max-width:1150px}.deliverable-complete-banner{display:flex;align-items:center;gap:13px;margin-bottom:22px;padding:16px 20px;border:1px solid #b8d6c8;background:#edf8f1;color:#28644c}.deliverable-complete-banner.partial{border-color:#ddc77f;background:#fff8df;color:#7d602d}.deliverable-complete-banner>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#3e9870;color:white;font-weight:900}.deliverable-complete-banner.partial>span{background:#b48525}.deliverable-complete-banner b,.deliverable-complete-banner small{display:block}.deliverable-complete-banner b{font-size:11px}.deliverable-complete-banner small{margin-top:4px;color:#668879;font-size:9px}.deliverable-complete-banner.partial small{color:#917f55}.deliverable-complete-banner strong{margin-left:auto;font:900 9px "DM Sans";letter-spacing:.12em}.deliverables-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.deliverable-card{display:grid;grid-template-columns:45px 1fr;gap:15px;min-height:215px;padding:22px;border:1px solid #d3dfe4;background:#fffefa}.deliverable-card.featured{border-color:#b7cfe0;box-shadow:5px 5px 0 #dceaf0}.deliverable-card.audio-card{grid-column:1/-1;min-height:145px}.deliverable-icon{display:grid;place-items:center;width:40px;height:40px;background:#e3eef2;color:#315d76;font:900 11px "DM Sans"}.deliverable-icon.teacher{background:#fff0c8;color:#95671d}.deliverable-icon.audio{background:#e7e1f1;color:#65567e}.deliverable-card>div:nth-child(2) small{color:#9b6d2c;font:800 8px "DM Sans";letter-spacing:.12em}.deliverable-card h2{margin:6px 0;color:#173856;font-size:19px}.deliverable-card p{margin:0;color:#7d8b95;font-size:9px;line-height:1.6}.deliverable-card ul{margin:12px 0 0;padding-left:15px;color:#667b89;font-size:9px;line-height:1.8}.deliverable-actions{grid-column:2;display:flex;align-items:flex-end;gap:7px}.deliverable-actions .material-preview-open{padding:10px 11px}.deliverable-actions .material-download{flex:1;padding:11px 13px;background:#173856;color:#fff;border:0;font-size:9px;font-weight:900}.deliverables-footer{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:17px;border-top:1px solid #d6e0e4;color:#7b8c96;font-size:9px}.deliverables-footer button{color:#315f7b;font-size:9px;font-weight:900}
@media(max-width:900px){.studio-header{padding:0 16px}.studio-topnav{margin-right:8px}.studio-topnav button{padding:7px}.studio-account>div{display:none}.studio-sidebar{width:190px;padding-left:10px;padding-right:10px}body[data-view="input"] main,body[data-view="loading"] main,body[data-view="lesson"] main,body[data-view="classroom"] main,body[data-view="deliverables"] main{padding-left:190px}.studio-view{padding:28px 22px}.input-main{padding:30px 22px!important;grid-template-columns:210px minmax(0,1fr)!important;gap:24px!important}.classroom-columns,.studio-lesson-row{grid-template-columns:minmax(0,1fr) 90px 95px 145px;gap:9px;padding-left:15px;padding-right:15px}.classroom-worktable>header{padding-left:15px;padding-right:15px}.classroom-tools input{width:160px}}
@media(max-width:650px){.studio-header{height:60px}.studio-brand small,.studio-topnav button[data-studio-library],.studio-topnav button[data-view="input"]{display:none}.studio-brand b{font-size:13px}.studio-sidebar{inset:60px auto 0 0;width:66px;padding:15px 7px}.studio-sidebar-title,.studio-new-label,.studio-sidebar-note{display:none}.studio-home-link{display:block;margin:0 0 13px;padding:8px;text-align:center}.studio-home-link span{margin:auto}.studio-home-link b,.studio-home-link small{display:none}.studio-steps li button{display:block;padding:7px 0;text-align:center}.studio-steps li button:before{left:32px;top:34px}.studio-steps i{margin:auto}.studio-steps span{display:none}body[data-view="input"] main,body[data-view="loading"] main,body[data-view="lesson"] main,body[data-view="classroom"] main,body[data-view="deliverables"] main{padding-top:60px;padding-left:66px}.studio-view{padding:24px 13px 40px}.studio-page-heading{display:block}.studio-page-heading h1{font-size:29px}.studio-page-heading .studio-primary,.studio-page-heading .studio-secondary{margin-top:16px}.classroom-summary{grid-template-columns:1fr 1fr;gap:8px}.classroom-summary-wide{grid-column:1/-1}.classroom-worktable>header{display:block}.classroom-tools{margin-top:14px}.classroom-tools input{width:calc(100vw - 146px)}.classroom-columns{display:none}.studio-lesson-row{display:block;padding:15px}.studio-status,.studio-lesson-row time{display:inline-flex;margin-top:11px;margin-right:12px}.studio-lesson-actions{margin-top:13px}.studio-lesson-actions button{flex:1}.input-main{display:block!important;padding:23px 13px!important}.input-intro{padding:0 5px 13px!important}.input-intro h2{font-size:29px!important}.passage-panel{box-shadow:4px 4px 0 #dde5e8!important}.analysis-layout{padding:24px 13px!important}.analysis-copy h2{font-size:29px!important}.deliverables-grid{grid-template-columns:1fr}.deliverable-card.audio-card{grid-column:auto}.deliverables-footer{display:block}.deliverables-footer button{margin-top:9px}.deliverable-card{min-height:0}}
.input-workbook-callout{margin-top:28px;padding:16px 17px;background:#edf5f7;border:1px solid #c9dce2;box-shadow:4px 4px 0 #dbe7ea}.input-workbook-callout small{display:block;color:#6e8b99;font:800 8px "DM Sans";letter-spacing:.14em}.input-workbook-callout>b{display:block;margin-top:7px;color:#173856;font-size:16px}.input-workbook-callout p{margin:6px 0 12px;color:#687b86;font-size:10px;line-height:1.6}.input-workbook-callout button{padding:9px 11px;background:#173856;color:#fff;font-size:10px;font-weight:800}.input-workbook-callout button span{margin-left:8px;color:#f17832}

/* TESIA landing page: current lesson and exam-prep workflows. */
body[data-view="landing"] .site-header{position:absolute;background:linear-gradient(180deg,#07182be8,#07182b00);color:#f5faf8;border-bottom:1px solid #ffffff15}
body[data-view="landing"] .site-header .logo{color:#f5faf8}
body[data-view="landing"] .site-header .logo-symbol{border-color:#a6c1c2}
body[data-view="landing"] .site-header nav button{color:#d1dfe5}
body[data-view="landing"] .site-header nav .nav-signup{border-color:#ffffff62;color:#fff}
body[data-view="landing"] .site-header .header-cta{border-color:#ffffff6b;color:#fff}
body[data-view="landing"] .landing{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(360px,.86fr);align-items:center;gap:clamp(34px,6vw,92px);min-height:790px;height:auto;padding:132px 7.5vw 76px;background:radial-gradient(ellipse at 77% 45%,#153e4a 0,transparent 35%),radial-gradient(ellipse at 12% 88%,#17334a 0,transparent 42%),linear-gradient(125deg,#071727 0%,#0b2134 58%,#102c3b 100%);color:#f5f8f7}
body[data-view="landing"] .landing:after{content:"";position:absolute;inset:0;width:auto;height:auto;right:0;top:0;border-radius:0;pointer-events:none;background-image:linear-gradient(#ffffff07 1px,transparent 1px),linear-gradient(90deg,#ffffff07 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(115deg,transparent 8%,#000 55%,transparent 100%)}
body[data-view="landing"] .hero-grid,body[data-view="landing"] .orbit,body[data-view="landing"] .hero-player,body[data-view="landing"] .floating-chip,body[data-view="landing"] .hero-foot{display:none}
body[data-view="landing"] .hero-copy{position:relative;left:auto;top:auto;width:100%;max-width:740px;margin:0;padding:20px 0 0}
body[data-view="landing"] .hero-copy .kicker{color:#a5bdc6}
body[data-view="landing"] .hero-copy h1{margin:25px 0 22px;color:#f7faf8;font-size:clamp(49px,5.1vw,72px);line-height:1.12;letter-spacing:-.075em}
body[data-view="landing"] .hero-copy h1 span{color:#f7faf8;white-space:nowrap}
body[data-view="landing"] .hero-copy h1 em{color:#ffb167}
body[data-view="landing"] .hero-copy h1 em:after{display:none}
body[data-view="landing"] .hero-description{margin:0;color:#b6c7cd;line-height:1.9;font-size:14px;word-break:keep-all}
body[data-view="landing"] .hero-actions{margin-top:30px;gap:20px}
body[data-view="landing"] .hero-actions .primary-button{background:linear-gradient(115deg,#ff9d58,#f07b47);box-shadow:0 12px 34px #f07b4738;color:#112436}
body[data-view="landing"] .hero-actions .primary-button:hover{background:linear-gradient(115deg,#ffb16d,#ff8b52);box-shadow:0 15px 38px #f07b474d}
body[data-view="landing"] .hero-actions .text-button{color:#e2ecee}
body[data-view="landing"] .legacy-demo-trigger{display:none}
.landing-proof-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 13px;margin-top:31px;color:#a7bac2;font-size:10px;font-weight:700}
.landing-proof-row i{width:3px;height:3px;border-radius:50%;background:#b6c6c2}
.landing-product-preview{position:relative;z-index:2;width:min(100%,510px);justify-self:center;padding:15px;background:#10273a;border:1px solid #ffffff28;border-radius:18px;box-shadow:0 34px 90px #0008,0 0 70px #43c5af17;transform:rotate(1deg);animation:landingCardFloat 7s ease-in-out infinite}
.landing-product-preview:before{content:"";position:absolute;z-index:-1;inset:-26px -32px;border:1px solid #69c8b51c;border-radius:28px;transform:rotate(-5deg);animation:landingOrbit 16s linear infinite}
.landing-product-preview:after{content:"";position:absolute;z-index:-1;inset:-42px -48px;border:1px solid #f3a46719;border-radius:35px;transform:rotate(9deg);animation:landingOrbit 22s linear infinite reverse}
body[data-view="landing"].landing-scroll-ready .hero-copy{transform:translate3d(0,calc(var(--hero-scroll,0) * -48px),0);opacity:calc(1 - var(--hero-scroll,0) * .35)}
body[data-view="landing"].landing-scroll-ready .landing-product-preview{animation:none;transform:translate3d(0,calc(var(--paper-scroll,0) * 64px),0) rotate(calc(1deg - var(--paper-scroll,0) * 7deg)) scale(calc(1 - var(--paper-scroll,0) * .06));will-change:transform}
body[data-view="landing"].landing-scroll-ready .landing-product-preview:before{animation:none;transform:rotate(calc(-5deg + var(--paper-scroll,0) * 48deg))}
body[data-view="landing"].landing-scroll-ready .landing-product-preview:after{animation:none;transform:rotate(calc(9deg - var(--paper-scroll,0) * 64deg))}
body[data-view="landing"].landing-scroll-ready .landing-preview-paper,body[data-view="landing"].landing-scroll-ready .landing-sentence,body[data-view="landing"].landing-scroll-ready .landing-structure,body[data-view="landing"].landing-scroll-ready .landing-grammar,body[data-view="landing"].landing-scroll-ready .landing-grammar p b,body[data-view="landing"].landing-scroll-ready .landing-preview-top>span i{animation:none}
body[data-view="landing"].landing-scroll-ready .pipeline-link b{animation:none;left:var(--pipeline-scroll,0%);opacity:1}
body[data-view="landing"].landing-scroll-ready .landing-scroll-reveal{opacity:calc(.12 + var(--reveal,1) * .88);transform:translate3d(calc((1 - var(--reveal,1)) * var(--reveal-direction,1) * 18px),calc((1 - var(--reveal,1)) * 54px),0) scale(calc(.97 + var(--reveal,1) * .03));transform-origin:center;transition:none}
body[data-view="landing"].landing-scroll-ready .material-demo{box-shadow:0 calc(12px + (1 - var(--reveal,1)) * 14px) 34px #17385612}
@keyframes landingCardFloat{0%,100%{transform:translateY(0) rotate(1deg)}50%{transform:translateY(-9px) rotate(-.4deg)}}
@keyframes landingOrbit{to{transform:rotate(355deg)}}
.landing-preview-top,.landing-preview-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 6px 13px;color:#bed0d1;font-size:9px}
.landing-preview-top>span{display:flex;align-items:center;gap:7px;font:800 8px "DM Sans";letter-spacing:.12em;color:#d5e8e2}
.landing-preview-top>span i{width:7px;height:7px;border-radius:50%;background:#58e0ac;box-shadow:0 0 0 4px #58e0ac24;animation:landingStatusPulse 1.8s ease-in-out infinite}
@keyframes landingStatusPulse{50%{box-shadow:0 0 0 8px #58e0ac08,0 0 16px #58e0acaa}}
.landing-preview-top>b{padding:6px 9px;border-radius:20px;background:#f0f6f2;color:#5d8274;font-size:8px}
.landing-motion-pipeline{display:flex;align-items:center;justify-content:center;gap:9px;margin:0 4px 13px;padding:10px 8px;border:1px solid #ffffff12;border-radius:10px;background:#091d2c}
.pipeline-step{display:flex;align-items:center;gap:6px;white-space:nowrap;color:#81969c}
.pipeline-step i{display:grid;place-items:center;width:21px;height:21px;border:1px solid #607984;border-radius:50%;font:700 7px "DM Sans";font-style:normal}
.pipeline-step b{font-size:8px;font-weight:700}
.pipeline-step.active{color:#e9f7f0}
.pipeline-step.active i{border-color:#57dca8;background:#57dca8;color:#092334;box-shadow:0 0 14px #57dca866}
.pipeline-link{position:relative;width:clamp(13px,2vw,30px);height:1px;overflow:hidden;background:#48616d}
.pipeline-link b{position:absolute;top:-2px;left:-6px;width:6px;height:5px;border-radius:50%;background:#ffad68;box-shadow:0 0 10px #ffad68;animation:pipelineTravel 2.4s ease-in-out infinite}
.pipeline-link:nth-of-type(2) b{animation-delay:1.2s}
@keyframes pipelineTravel{0%{left:-6px;opacity:0}15%{opacity:1}80%{opacity:1}100%{left:100%;opacity:0}}
.landing-preview-paper{padding:clamp(22px,3vw,34px);border:1px solid #e8e7df;background:linear-gradient(145deg,#fffefa,#fcfbf6);box-shadow:inset 0 0 0 5px #faf9f4;animation:landingPaperReveal .8s cubic-bezier(.2,.8,.2,1) both}
@keyframes landingPaperReveal{from{opacity:0;transform:translateY(13px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
.landing-preview-paper-head{display:flex;justify-content:space-between;color:#8a9b98;font:800 8px "DM Sans";letter-spacing:.12em}
.landing-preview-paper h2{margin:22px 0 15px;color:#203b53;font-size:clamp(18px,2vw,24px);line-height:1.55;letter-spacing:-.045em}
.landing-preview-paper h2 em{color:#25866d}
.landing-sentence{padding:15px 16px;border-left:3px solid #e6a85c;background:#fff;font:600 13px/1.8 "DM Sans",sans-serif;color:#415364}
.landing-sentence{animation:landingRowReveal .65s .16s both}
.landing-sentence b{color:#20886e}
.landing-structure{margin-top:9px;padding:10px 12px;border-radius:6px;background:#eef5f2;color:#637a78;font-size:9px;line-height:1.7}
.landing-structure{animation:landingRowReveal .65s .38s both}
.landing-structure span{display:inline-grid;place-items:center;width:19px;height:19px;margin-right:4px;border-radius:50%;background:#2d7e6b;color:#fff;font:800 8px "DM Sans"}
.landing-grammar{margin-top:13px;padding:12px 14px;border:1px solid #e8e7df;border-radius:8px;background:#fff}
.landing-grammar{animation:landingRowReveal .65s .62s both}
@keyframes landingRowReveal{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}
.landing-grammar>small{font-size:8px;font-weight:800;color:#7c8d92}
.landing-grammar p{margin:9px 0;padding:9px 10px;border-radius:5px;background:#f8f7f1;color:#334b59;font:600 10px/1.7 "DM Sans",sans-serif}
.landing-grammar p b{padding:2px 4px;border-radius:3px;background:#fff0df;color:#b45b20;white-space:nowrap;animation:landingChoiceGlow 2.8s 1.4s ease-in-out infinite}
@keyframes landingChoiceGlow{50%{background:#ffe1bf;box-shadow:0 0 0 4px #ffb1671c}}
.landing-grammar>div{display:flex;align-items:center;justify-content:space-between;color:#788783;font-size:8px;line-height:1.55}
.landing-grammar>div i{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e8f4ed;color:#26866b;font-style:normal;font-weight:900}
.landing-preview-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.landing-preview-tags span{padding:5px 8px;border-radius:20px;background:#f1f5f2;color:#688078;font-size:8px;font-weight:700}
.landing-preview-caption{padding:13px 6px 3px;font-size:8px;color:#b6c7cb}
.landing-preview-caption b{color:#83d9bc}
.quick-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,270px));gap:12px;margin-top:48px}
.quick-action-card{position:relative;min-height:146px;padding:19px 21px;text-align:left;background:#fff;border:1px solid #d5e0e4;box-shadow:5px 5px 0 #e8eef0;transition:.2s}
.quick-action-card:hover{border-color:#228e73;box-shadow:5px 5px 0 #cfe5dc;transform:translateY(-2px)}
.quick-action-card small{display:block;color:#228e73;font:800 8px "DM Sans";letter-spacing:.13em}.quick-action-card b{display:block;margin-top:11px;color:#173856;font-size:18px}.quick-action-card span{display:block;margin-top:7px;max-width:190px;color:#72818b;font-size:10px;line-height:1.55}.quick-action-card i{position:absolute;right:18px;bottom:18px;color:#228e73;font:700 20px "DM Sans";font-style:normal}
body[data-view="landing"] .materials-showcase,body[data-view="landing"] .method{background:#fff;padding:94px max(7.5vw,24px) 104px}
body[data-view="landing"] .showcase-heading h2,body[data-view="landing"] .method-heading h2{color:#173856}
body[data-view="landing"] .method{background:#f4f7f4}
body[data-view="landing"] .method-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;border:0}
body[data-view="landing"] .method-list article,body[data-view="landing"] .method-list article:first-child{padding:24px 23px 27px;border:1px solid #dce6e1;border-radius:12px;background:#fff;box-shadow:0 8px 24px #244c3a08}
body[data-view="landing"] .method-list article>span{color:#7c9189;font-size:9px;letter-spacing:.04em}
body[data-view="landing"] .method-icon{width:45px;height:45px;margin:28px 0 20px;border-color:#d5e5dc;color:#25866d;background:#f3f8f5;font-size:17px}
body[data-view="landing"] .method-list h3{color:#203b53;font-size:17px}
body[data-view="landing"] .method-list p{color:#708087;font-size:11px;line-height:1.85;word-break:keep-all}
body[data-view="landing"] .showcase-flow{border-top-color:#dce6e1;color:#385c55}
body[data-view="landing"] .showcase-flow span{color:#27856d}
body[data-view="landing"] .showcase-heading>div>span{color:#27856d}
body[data-view="landing"] .material-demo{border-color:#e0e7e2;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 12px 34px #1738560c}
body[data-view="landing"] .demo-copy{padding:25px 28px 28px}
body[data-view="landing"] .demo-copy small{color:#27856d}
body[data-view="landing"] .pdf-preview-open{color:#267d68}
body[data-view="input"] .input-main{display:block!important;max-width:1040px!important;min-height:calc(100vh - 70px)!important;margin:0 auto!important;padding:52px 38px 70px!important}
body[data-view="input"] .input-intro{display:grid!important;grid-template-columns:minmax(0,1fr) 270px;gap:30px;align-items:end;padding:0 0 24px!important;border:0!important}
body[data-view="input"] .input-intro .kicker{grid-column:1/-1;margin:0}
body[data-view="input"] .input-intro h2{margin:11px 0 8px!important;font-size:38px!important;color:#173856}
body[data-view="input"] .input-intro>p:not(.kicker){margin:0;max-width:500px}
body[data-view="input"] .input-intro ol{display:none!important}
body[data-view="input"] .input-workbook-callout{grid-column:2;grid-row:2/5;margin:0}
body[data-view="input"] .passage-panel{margin:0!important;padding:22px!important;background:#fff;border-color:#d4e0e4;box-shadow:7px 7px 0 #e7eef0!important}
body[data-view="input"] .production-choice{margin:-22px -22px 18px;padding:14px 18px;background:#f2f7f8;border:0;border-bottom:1px solid #dbe5e8}
body[data-view="input"] .passage-source-tabs{margin:-22px -22px 20px}
body[data-view="input"] .passage-library-group{border-color:#d3e0e5;background:#fff}
body[data-view="input"] .passage-library-group-head{padding:16px 18px;background:#f7fafb}
body[data-view="input"] .passage-library-group-head h4{color:#173856}
body[data-view="input"] .passage-library-group-head p{color:#70818c}
body[data-view="input"] .passage-library-card{background:#fcfdfd;border-color:#dce7ea}
body[data-view="input"] .passage-library-card h4{color:#173856}
body[data-view="input"] .passage-library-card i{color:#228e73}
.library-head-actions{display:flex;gap:7px;align-items:flex-start}.library-head-actions button{white-space:nowrap}.passage-library-group-head{position:relative;padding-left:56px!important}.library-group-select{position:absolute;left:18px;top:18px;display:grid;place-items:center;width:24px;height:24px;border:1px solid #b9cad1;border-radius:5px;background:#fff;color:transparent;font:900 13px "DM Sans";line-height:1;transition:.15s}.library-group-select.checked{border-color:#228e73;background:#228e73;color:#fff}.library-group-select.partial{border-color:#d49a3c;background:#fff7e6;color:#d49a3c}.passage-library-card{padding-left:48px!important}.passage-card-check{position:absolute;left:16px;top:17px;display:grid;place-items:center;width:22px;height:22px;border:1px solid #c8d5db;border-radius:5px;color:transparent;font:900 12px "DM Sans"}.passage-library-card.selected .passage-card-check{border-color:#228e73;background:#228e73;color:#fff}.passage-library-card.selected{background:#f3faf6!important}
body[data-view="loading"] .analysis-layout{display:block!important;max-width:1120px!important;padding:42px 50px 70px!important}.analysis-layout>.analysis-copy{max-width:none!important;margin:0!important;padding:0!important;border:0!important}.analysis-layout:after{max-width:none!important}.analysis-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:36px;margin-top:28px}.analysis-steps>div{min-width:0}.segment-progress-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.production-guide{max-width:760px}.analysis-progress,.production-metrics,.analysis-start,.voice-ready-panel,.background-note,.visual-curation{max-width:760px}
@media(max-width:780px){.library-head-actions{display:grid;gap:5px}.library-head-actions button{font-size:9px;padding:7px}.analysis-steps,.segment-progress-list{grid-template-columns:1fr}body[data-view="loading"] .analysis-layout{padding:30px 20px 52px!important}}
@media(max-width:780px){body[data-view="landing"] .landing{padding:0 22px 58px}body[data-view="landing"] .hero-copy{padding-top:135px}.quick-action-grid{grid-template-columns:1fr;margin-top:34px}body[data-view="input"] .input-main{padding:34px 18px 52px!important}body[data-view="input"] .input-intro{display:block!important;padding-bottom:19px!important}body[data-view="input"] .input-workbook-callout{margin-top:18px}body[data-view="input"] .passage-panel{padding:18px!important}body[data-view="input"] .production-choice{margin:-18px -18px 16px}body[data-view="input"] .passage-source-tabs{margin:-18px -18px 17px}}
@media(max-width:900px){body[data-view="landing"] .landing{grid-template-columns:minmax(0,1fr) minmax(320px,.82fr);gap:28px;padding-left:5vw;padding-right:5vw}.landing-proof-row{gap:8px}.landing-product-preview{padding:12px}}
@media(min-width:701px) and (max-width:780px){body[data-view="landing"] .landing{grid-template-columns:1fr;gap:28px;padding:108px 32px 60px}body[data-view="landing"] .hero-copy{max-width:690px;padding:0}.landing-product-preview{width:min(100%,510px);justify-self:center}}
@media(max-width:700px){body[data-view="landing"] .landing{display:flex;flex-direction:column;align-items:stretch;gap:34px;min-height:0;padding:116px 22px 48px}.site-header{height:70px;padding:0 20px}.site-header nav{display:none}body[data-view="landing"] .hero-copy{max-width:none;padding:0}body[data-view="landing"] .hero-copy h1{margin:21px 0 16px;font-size:clamp(39px,10.5vw,59px);line-height:1.08}body[data-view="landing"] .hero-description{font-size:13px}body[data-view="landing"] .hero-description br{display:none}body[data-view="landing"] .hero-actions{flex-wrap:wrap;gap:12px;margin-top:22px}body[data-view="landing"] .hero-actions .primary-button{padding:14px 16px;gap:17px;font-size:12px}body[data-view="landing"] .hero-actions .text-button{padding:10px 2px;font-size:11px}.landing-proof-row{gap:8px 9px;margin-top:20px;font-size:8px}.landing-product-preview{width:min(100%,440px);align-self:center;transform:none}.landing-preview-paper{padding:20px}.landing-preview-paper h2{font-size:19px}.landing-sentence{font-size:11px}.landing-motion-pipeline{gap:6px;padding:9px 5px}.pipeline-step{gap:4px}.pipeline-step b{font-size:7px}.pipeline-link{width:15px}body[data-view="landing"] .materials-showcase,body[data-view="landing"] .method{padding:64px 22px 70px}body[data-view="landing"] .method-heading{display:block;margin:30px 0 34px}body[data-view="landing"] .method-heading h2{font-size:34px}body[data-view="landing"] .method-heading p{font-size:12px}body[data-view="landing"] .method-list{grid-template-columns:1fr;gap:9px}body[data-view="landing"] .method-list article,body[data-view="landing"] .method-list article:first-child{display:grid;grid-template-columns:42px 1fr;column-gap:14px;padding:17px}body[data-view="landing"] .method-icon{grid-column:1;grid-row:1/4;width:40px;height:40px;margin:8px 0}body[data-view="landing"] .method-list article>span{grid-column:2}body[data-view="landing"] .method-list h3{grid-column:2;margin:6px 0}body[data-view="landing"] .method-list p{grid-column:2}}
@media(prefers-reduced-motion:reduce){body[data-view="landing"] *,body[data-view="landing"] *:before,body[data-view="landing"] *:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.lesson-deliverables-link{padding:8px 10px;border:1px solid #9db6c5;background:#edf5f7;color:#285776;font-size:9px;font-weight:900}.lesson-deliverables-link:disabled{cursor:not-allowed;opacity:.45}
.production-choice{margin-bottom:14px;padding:14px 16px;border:1px solid #d7e0e4;background:#f4f8f9}.production-choice>small{display:block;margin-bottom:9px;color:#7f919c;font-size:9px;font-weight:800}.production-choice>div{display:grid;grid-template-columns:1fr 1fr;gap:8px}.production-choice button{padding:11px 13px;text-align:left;border:1px solid #cedbe1;background:#fff;color:#49677b}.production-choice button.active{border-color:#78bfd7;background:#eaf6f9;box-shadow:3px 3px 0 #d6e7eb}.production-choice b,.production-choice span{display:block}.production-choice b{font-size:11px;color:#173856}.production-choice span{margin-top:4px;font-size:8px;color:#7c8c95}

/* Lightweight PDF example preview: opening it never starts a download. */

/* Credit wallet and paid material access */
.credit-chip{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid #c9b98d;background:#fff9e9;color:#173554;border-radius:999px;font:700 10px "DM Sans",sans-serif}.credit-chip b{padding-left:7px;border-left:1px solid #d9cba5;color:#a26418;font-size:9px}.credit-chip[hidden]{display:none}.view-credit{border-color:#d7bd79!important;background:#fff8df!important;color:#173554!important;font:800 9px "DM Sans",sans-serif!important;white-space:nowrap}.view-credit[hidden]{display:none!important}
.credit-dialog{position:relative;width:min(92vw,700px);max-height:88vh;overflow:auto;background:#fffefa;border:1px solid #c7c3ba;box-shadow:0 25px 80px #07182d55;padding:38px}.credit-close{position:absolute;right:20px;top:17px;font-size:25px;color:#607087}.credit-dialog header small{font:700 8px "DM Sans";letter-spacing:.17em;color:#a3651a}.credit-dialog header h2{margin:7px 0 8px;font-size:30px;letter-spacing:-.05em}.credit-dialog header p{margin:0;color:#6b7580;font-size:11px;line-height:1.7}.credit-current{display:grid;grid-template-columns:1fr auto;align-items:center;margin:25px 0 18px;padding:18px 20px;background:#112f50;color:#fff}.credit-current span{font-size:11px}.credit-current strong{font:800 27px "DM Sans"}.credit-current small{grid-column:1/-1;margin-top:3px;color:#d9c98e;font-size:9px}.credit-packages{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.credit-package{padding:18px 12px;border:1px solid #c9c4ba;background:#fff;text-align:left;transition:.18s}.credit-package:hover{transform:translateY(-2px);border-color:#173554;box-shadow:0 8px 18px #112f5017}.credit-package b{display:block;font:800 17px "DM Sans";color:#173554}.credit-package span{display:block;margin-top:6px;font-size:10px;color:#727b85}.credit-package em{display:inline-block;margin-top:13px;padding:7px 9px;background:#173554;color:white;font-size:9px;font-weight:700}.credit-package:disabled{opacity:.5;transform:none;cursor:not-allowed}.credit-notice{min-height:18px;margin:14px 0 0;color:#687586;font-size:10px}.credit-notice.error{color:#b42318}.credit-notice.success{color:#16805a}.credit-history{margin-top:24px;padding-top:18px;border-top:1px solid #ddd7cc}.credit-history h3{margin:0 0 10px;font-size:13px}.credit-transaction{display:grid;grid-template-columns:1fr auto;gap:4px;padding:9px 0;border-bottom:1px solid #ece8df;font-size:10px}.credit-transaction b{color:#33465b}.credit-transaction strong.positive{color:#16805a}.credit-transaction strong.negative{color:#b45309}.credit-transaction small{grid-column:1/-1;color:#92989f}.credit-history>div>p{font-size:10px;color:#8a9199}.material-download.locked{background:#8f611f}.material-download.unlocked{background:#177059}
@media(max-width:650px){.credit-dialog{width:calc(100vw - 24px);padding:30px 18px}.credit-packages{grid-template-columns:1fr}.credit-package{display:grid;grid-template-columns:1fr auto;align-items:center}.credit-package span{grid-column:1}.credit-package em{grid-row:1/3;grid-column:2;margin:0}.site-header:has(.credit-chip:not([hidden])) nav{display:flex!important;margin-left:auto}.site-header:has(.credit-chip:not([hidden])) nav>button:not(.credit-chip){display:none!important}.site-header:has(.credit-chip:not([hidden])) .header-cta{display:none}.site-header nav .credit-chip{padding:6px 8px}.credit-chip b{display:none}.input-header{padding-left:14px;padding-right:14px;gap:8px}.input-header>span{display:none}.analysis-header .view-credit{padding:7px 8px}.lesson-header-actions .view-credit{display:block}.lesson-header-actions #setupOpenLesson{display:none}}
.demo-paper.pdf-preview-trigger{cursor:zoom-in}.demo-paper.pdf-preview-trigger:focus-visible{outline:3px solid #24466f;outline-offset:-3px}
.demo-copy .pdf-preview-open{display:inline-flex;align-items:center;gap:22px;margin-top:30px;padding:11px 14px;background:#102d4b;color:white;font-size:9px;font-weight:800}
.demo-copy .pdf-preview-open b{font-size:13px}
.pdf-preview-modal{z-index:150}.pdf-preview-modal .modal-backdrop{background:#07162dde;backdrop-filter:blur(7px)}
.pdf-preview-dialog{position:absolute;left:50%;top:50%;width:min(780px,92vw);height:min(880px,91vh);display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;padding:22px 25px;background:#f4f1e9;box-shadow:0 30px 90px #0007;transform:translate(-50%,-50%)}
.pdf-preview-dialog>header{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:15px;border-bottom:1px solid #cbc6bc}
.pdf-preview-dialog>header small{font:700 8px "DM Sans";letter-spacing:.16em;color:#527090}.pdf-preview-dialog>header h2{margin:5px 0 0;font-size:24px;color:#10233c}
.pdf-preview-dialog>header button{width:34px;height:34px;border:1px solid #bdb8af;background:#fffefa;font-size:25px;color:#10233c}
.pdf-preview-tabs{display:flex;padding-top:14px}.pdf-preview-tabs button{padding:9px 15px;border:1px solid #c9c4ba;font-size:10px;font-weight:800;color:#687383}.pdf-preview-tabs button+button{border-left:0}.pdf-preview-tabs button.active{background:#102d4b;color:white;border-color:#102d4b}
.pdf-preview-canvas{min-height:0;margin-top:14px;padding:16px;overflow:auto;text-align:center;background:#dedbd4;border:1px solid #c6c1b8}
.pdf-preview-pages{display:grid;gap:18px;width:min(100%,620px);margin:auto}.pdf-preview-pages figure{position:relative;margin:0;background:#fff;box-shadow:0 12px 30px #10233c28}.pdf-preview-pages img{display:block;width:100%;height:auto}.pdf-preview-pages figcaption{position:absolute;right:9px;bottom:8px;padding:4px 7px;background:#102d4bdd;color:#fff;font:800 8px "DM Sans"}
.pdf-preview-dialog>footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:15px}.pdf-preview-dialog>footer div b,.pdf-preview-dialog>footer div span{display:block}.pdf-preview-dialog>footer div b{font-size:10px;color:#283e57}.pdf-preview-dialog>footer div span{margin-top:3px;font-size:8px;color:#7c838b}.pdf-preview-dialog>footer a{flex:none;padding:11px 14px;background:#102d4b;color:white;text-decoration:none;font-size:9px;font-weight:800}
@media(max-width:600px){
  .pdf-preview-dialog{width:94vw;height:88vh;padding:16px 14px;grid-template-rows:auto auto minmax(0,1fr) auto}
  .pdf-preview-dialog>header h2{font-size:19px}.pdf-preview-canvas{padding:8px;margin-top:10px}
  .pdf-preview-dialog>footer{align-items:stretch;flex-direction:column;gap:10px}.pdf-preview-dialog>footer a{text-align:center}
}

/* Complete-generation gate, live handwriting cues, and private classroom. */
.spoken-word{display:inline;position:relative;border-radius:2px;transition:color .2s,background .2s,box-shadow .2s}
.spoken-word.spoken{color:#253d59;background:linear-gradient(transparent 72%,#e7b94d66 72%);box-shadow:inset 0 -1px 0 #b98226}
.spoken-word.speaking{z-index:2;color:#102d4b;background:#ffe892;box-shadow:0 2px 0 #d48128,0 5px 12px #12304f1d;text-decoration:underline;text-decoration-color:#d06f25;text-decoration-thickness:2px;text-underline-offset:3px}
.chunk.active .spoken-word.speaking,.chunk.spoken-focus .spoken-word.speaking{background:#ffd95f}
.image-credit a{color:#315c87;font-weight:900;text-underline-offset:2px}
.lesson-access-banner{display:flex;align-items:center;justify-content:center;gap:28px;padding:13px 20px;background:#fff7dc;border-bottom:1px solid #dfc77e;color:#173554}
.lesson-access-banner[hidden]{display:none}.lesson-access-banner div{display:grid;grid-template-columns:auto auto;align-items:center;gap:2px 10px}.lesson-access-banner small{grid-row:1/3;padding:7px 9px;background:#173554;color:#fff;font:800 8px "DM Sans";letter-spacing:.12em}.lesson-access-banner b{font-size:12px}.lesson-access-banner span{font-size:9px;color:#6d7782}.lesson-access-banner button{padding:10px 14px;background:#a6681c;color:#fff;font-size:10px;font-weight:900;white-space:nowrap}.lesson-access-banner.attention{animation:accessAttention .65s ease}@keyframes accessAttention{50%{background:#ffe8a2;box-shadow:inset 0 0 0 3px #d18a2d}}
.mode-tabs button.locked{opacity:.42}.mode-tabs button.locked:after{content:"잠김";margin-left:7px;color:#a56b20;font-size:8px}
.material-actions{display:flex;flex-wrap:wrap;gap:7px}.material-preview-open{padding:10px 12px;border:1px solid #8ba0b4;color:#173554;background:#fff;font-size:9px;font-weight:900}.material-preview-open:disabled{opacity:.45}.material-actions .material-download{flex:1;min-width:150px}
.material-direct-download{display:block;width:100%;padding:9px 10px;text-align:center;border:1px solid #177059;background:#eef8f4;color:#17684f;font-size:10px;font-weight:800;text-decoration:underline}.material-direct-download[hidden]{display:none!important}.material-purchase-dialog>.material-direct-download{margin-top:10px}
.classroom-shortcut{border-color:#a9b8c8!important;color:#173554!important;font-weight:900!important}.classroom-modal{z-index:170}.classroom-modal .modal-backdrop{background:#06162dde;backdrop-filter:blur(7px)}
.classroom-dialog{position:absolute;left:50%;top:50%;width:min(880px,92vw);max-height:88vh;overflow:auto;padding:30px;background:#f7f4ed;box-shadow:0 30px 90px #0008;transform:translate(-50%,-50%)}
.classroom-dialog>header{display:flex;justify-content:space-between;gap:25px;padding-bottom:21px;border-bottom:1px solid #cbc5b9}.classroom-dialog header small{font:800 8px "DM Sans";letter-spacing:.16em;color:#9b611b}.classroom-dialog header h2{margin:5px 0 4px;font-size:30px;color:#102d4b}.classroom-dialog header p{margin:0;color:#6f7781;font-size:10px}.classroom-dialog header>button{font-size:30px;color:#173554}
.classroom-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-top:21px}.classroom-list>p,.classroom-empty{grid-column:1/-1;padding:55px 20px;text-align:center;border:1px dashed #bfc5ca;color:#707984}.classroom-empty b,.classroom-empty span{display:block}.classroom-empty span{margin-top:6px;font-size:10px}
.classroom-card{position:relative;min-height:180px;padding:20px;text-align:left;border:1px solid #c8c4bc;background:#fff;box-shadow:5px 5px 0 #e0dcd3;transition:.2s}.classroom-card:hover{transform:translateY(-2px);border-color:#345c84}.classroom-card small,.classroom-card b,.classroom-card span,.classroom-card i{display:block}.classroom-card small{color:#9a681f;font:800 8px "DM Sans"}.classroom-card b{margin-top:12px;color:#122e4d;font-size:16px}.classroom-card span{margin-top:7px;display:-webkit-box;overflow:hidden;color:#6f7883;font-size:9px;line-height:1.6;-webkit-line-clamp:3;-webkit-box-orient:vertical}.classroom-card i{position:absolute;left:20px;bottom:18px;color:#2d5a86;font-size:9px;font-style:normal;font-weight:900}
.notes-sheet footer>div{display:flex;gap:7px}.notes-sheet footer .note-save{background:#173554}.note-page-badge{display:inline-block;margin-bottom:11px;padding:5px 7px;background:#e8edf3;color:#315b82;font:800 7px "DM Sans";letter-spacing:.12em}.note-block h4.note-highlight{display:inline;background:linear-gradient(transparent 58%,#ffe187 58%)}.note-block.syntax-note h4{padding:7px 0;border-bottom:2px solid #d39038}.note-block mark{padding:2px 4px;background:#dfe9f4;color:#234b73;font-size:8px}.note-blank.wide{min-width:70%;height:18px}.one-page-preview{max-height:720px;overflow:hidden;box-shadow:0 12px 30px #10233c18}
.note-bundle-heading{margin:18px 0 5px;padding:8px 10px;background:#102a43;color:#fff;font-size:11px;font-weight:800;letter-spacing:.04em}
@media(max-width:700px){.lesson-access-banner{align-items:stretch;flex-direction:column;gap:8px;padding:10px 12px}.lesson-access-banner div{grid-template-columns:auto 1fr}.lesson-access-banner button{width:100%}.classroom-dialog{width:calc(100vw - 20px);padding:22px 15px}.classroom-list{grid-template-columns:1fr}.classroom-card{min-height:155px}.material-actions{display:grid;grid-template-columns:1fr}.material-actions .material-download{min-width:0}.spoken-word.speaking{box-shadow:0 1px 0 #d48128}}
.passage-library-group{border:1px solid var(--line,#d5dde7);background:#fbfaf6;margin:0 0 14px;padding:14px}
.passage-library-group-head{padding:2px 4px 10px;border-bottom:1px solid #e2e8f0;margin-bottom:10px}
.passage-library-group-head span{display:inline-block;color:#355b73;background:#e8f0f5;padding:4px 8px;font-size:11px;font-weight:700;letter-spacing:.04em}
.passage-library-group-head h4{margin:9px 0 4px;color:#102a43;font-size:17px}
.passage-library-group-head p{margin:0;color:#64748b;font-size:12px}
.passage-library-group-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.passage-library-group-items .passage-library-card{margin:0}
.production-guide{position:relative;display:grid;grid-template-columns:42px 76px 1fr;align-items:center;gap:13px;margin:24px 0 5px;padding:15px 16px;border:1px solid #c7d4dc;background:linear-gradient(110deg,#f8fbfc,#fffdf8);overflow:hidden}.production-guide:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,#fff9,transparent);animation:productionSweep 2.2s ease-in-out infinite}@keyframes productionSweep{55%,100%{transform:translateX(100%)}}.production-guide>div{position:relative;z-index:1}.production-guide b,.production-guide small{display:block}.production-guide b{color:#173856;font-size:11px}.production-guide small{margin-top:4px;color:#778692;font-size:8px;line-height:1.6}.production-spinner{width:36px;height:36px}.production-spinner i{position:absolute;inset:0;border:2px solid transparent;border-top-color:#173856;border-radius:50%;animation:spin 1.1s linear infinite}.production-spinner i:nth-child(2){inset:6px;border-top-color:#d49a3c;animation-duration:.8s;animation-direction:reverse}.production-spinner i:nth-child(3){inset:12px;border-top-color:#60a7c4;animation-duration:.55s}.production-eye-stage{position:relative;display:flex;align-items:flex-end;justify-content:center;gap:10px;height:46px}.production-signature-eye{position:relative;display:block;width:24px;height:32px;background:#080808;transform-origin:center bottom;animation:productionPixelBlink 4.2s infinite}.production-signature-eye:before{content:"";position:absolute;left:0;top:-8px;width:24px;height:3px;background:#080808}.production-signature-eye.eye-left:before{transform:rotate(5deg)}.production-signature-eye.eye-right:before{transform:rotate(-5deg)}.production-signature-eye.eye-right{animation-delay:.1s}.production-signature-eye b{position:absolute;left:10px;top:20px;width:7px;height:9px;background:#fff;animation:productionPixelLook 2.6s ease-in-out infinite}.production-signature-eye.eye-right b{animation-delay:-.15s}@keyframes productionPixelBlink{0%,42%,48%,74%,79%,100%{transform:scaleY(1)}45%,46%,76%,77%{transform:scaleY(.08)}}@keyframes productionPixelLook{0%,100%{transform:translateX(-2px)}50%{transform:translateX(3px)}}.analysis-progress{position:relative;overflow:hidden}.analysis-progress:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0 9px,#ffffff80 9px 15px);background-size:36px 100%;animation:progressMotion .75s linear infinite}@keyframes progressMotion{to{background-position:36px 0}}.segment-progress-list article.active i{border:2px solid #dbe2e8;border-top-color:#173856;font-size:0;animation:spin .8s linear infinite}.segment-progress-list article.active small:after{content:" · 계속 처리 중";color:#315f7b;animation:workingPulse 1.2s ease-in-out infinite}@keyframes workingPulse{50%{opacity:.35}}
.deliverable-price{grid-column:2;display:flex;align-items:center;justify-content:space-between;padding:9px 11px;background:#f1f5f7;border:1px solid #d4e0e6}.deliverable-price span{font:800 7px "DM Sans";letter-spacing:.1em;color:#83929c}.deliverable-price b{color:#173856;font:900 14px "DM Sans"}.material-purchase-modal.open{display:grid;place-items:center}.material-purchase-dialog{position:relative;width:min(720px,calc(100vw - 30px));max-height:92vh;overflow:auto;padding:30px;background:#fffefa;border:1px solid #c6c1b8;box-shadow:0 22px 70px #071a3855}.material-purchase-close{position:absolute;right:18px;top:13px;font-size:27px;color:#687784}.material-purchase-dialog>small{color:#9b681d;font:800 8px "DM Sans";letter-spacing:.15em}.material-purchase-dialog h2{margin:8px 0 7px;color:#173856;font-size:25px}.material-purchase-dialog>p{margin:0;color:#71808b;font-size:10px;line-height:1.7}.material-purchase-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 10px;padding:12px;background:#eef2f4;border:1px solid #cbd5dc}.material-purchase-preview>p{grid-column:1/-1;margin:38px 0;text-align:center;color:#607487;font-size:10px}.material-purchase-preview figure{margin:0;background:#fff;box-shadow:0 5px 15px #071a3822}.material-purchase-preview img{display:block;width:100%;aspect-ratio:210/297;object-fit:contain;background:#fff}.material-purchase-preview figcaption{padding:6px 8px;color:#607487;font-size:8px;text-align:center;border-top:1px solid #e1e7eb}.material-purchase-question{margin-top:10px!important;color:#173856!important;font-size:11px!important;font-weight:900}.material-purchase-summary{display:grid;grid-template-columns:1fr auto;align-items:center;margin:15px 0;padding:15px;background:#173856;color:#fff}.material-purchase-summary span{font-size:10px}.material-purchase-summary>b{font:900 24px "DM Sans"}.material-purchase-summary small{grid-column:1/-1;margin-top:5px;color:#c8d8e3;font-size:8px}.material-purchase-actions{display:grid;grid-template-columns:1fr 1.7fr;gap:8px}.material-purchase-actions button{padding:12px;border:1px solid #b9c4ca;font-size:9px;font-weight:900}.material-purchase-actions button:last-child{border-color:#177059;background:#177059;color:#fff}.material-purchase-actions button:disabled{opacity:.55;cursor:wait}.studio-toast{position:fixed;right:22px;bottom:22px;z-index:160;display:flex;align-items:center;gap:12px;min-width:300px;padding:15px 18px;background:#173856;color:#fff;box-shadow:0 14px 40px #071a3845;transform:translateY(130%);opacity:0;transition:.35s}.studio-toast.show{transform:none;opacity:1}.studio-toast>span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#3b9a6e;font-weight:900}.studio-toast b,.studio-toast small{display:block}.studio-toast b{font-size:10px}.studio-toast small{margin-top:4px;color:#c8d7e1;font-size:8px}@media(max-width:620px){.material-purchase-preview{grid-template-columns:1fr}.material-purchase-dialog{padding:26px 18px}}
.note-page.pdf-like-preview{padding:0;background:#fdfbf5}.generated-note-cover{padding:18px}.generated-note-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;color:#54728d;font:800 8px "DM Sans";letter-spacing:.12em}.generated-note-visual{display:grid;grid-template-columns:1.25fr 1fr;min-height:185px;border:1px solid #d2dce3;background:#f8f5ed}.generated-note-visual img{width:100%;height:100%;min-height:185px;object-fit:cover}.generated-note-background{display:flex;flex-direction:column;justify-content:center;padding:18px}.generated-note-background small{color:#55718a;font:800 8px "DM Sans";letter-spacing:.14em}.generated-note-background p{margin:10px 0 0;color:#43566a;font-size:10px;line-height:1.7}.generated-flow{display:grid;grid-template-columns:repeat(4,1fr);margin-top:13px;border:1px solid #d4dde3}.generated-flow div{min-height:84px;padding:11px;border-right:1px solid #d4dde3}.generated-flow div:last-child{border-right:0}.generated-flow small{color:#8092a0;font-size:8px}.generated-flow b{display:block;margin-top:7px;color:#193955;font-size:9px;line-height:1.5}.generated-topic{margin-top:12px;padding:12px;border:1px solid #d4dde3;background:#f5f8fa}.generated-topic small{color:#8b672d;font:800 8px "DM Sans";letter-spacing:.12em}.generated-topic p{margin:5px 0 0;color:#243f57;font-size:10px;line-height:1.6}.exam-highlight-legend{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.exam-highlight-legend span{padding:4px 6px;font-size:8px}.exam-highlight-legend .grammar{background:#f6e8a8}.exam-highlight-legend .vocabulary{background:#ddebF5}.exam-highlight-legend .order{background:#e6ddf2}.exam-highlight-legend .blank{background:#f7d8c4}.exam-highlight-legend .implication{background:#ddebdc}
@media(max-width:650px){.production-guide{grid-template-columns:34px 62px 1fr;padding:12px 10px}.production-spinner{width:30px;height:30px}.production-eye-stage{transform:scale(.82)}.deliverable-price,.deliverable-actions{grid-column:1/-1}.generated-note-visual{grid-template-columns:1fr}.generated-note-background{min-height:120px}.generated-flow{grid-template-columns:1fr 1fr}.generated-flow div:nth-child(2){border-right:0}.generated-flow div:nth-child(-n+2){border-bottom:1px solid #d4dde3}.studio-toast{left:12px;right:12px;bottom:12px;min-width:0}}
.sentence-exam-points ul,.note-exam-points{margin:6px 0 0;padding-left:18px}
.exam-highlight-legend .grammar{background:#f7e3df;color:#b14949}.exam-highlight-legend .vocabulary{background:#dceff8;color:#1479b8}.exam-highlight-legend .order{background:#ddeedc;color:#2f7a49}.exam-highlight-legend .insertion{background:#d8eeea;color:#177b70}.exam-highlight-legend .blank{background:#fbe8d1;color:#d46a16}.exam-highlight-legend .implication{background:#e9e3f5;color:#6d5aa8}
.sentence-exam-points li,.note-exam-points li{margin:3px 0;line-height:1.45}
.sentence-exam-points p,.note-reference{margin:7px 0 0;color:#496a83;font-size:.88em;line-height:1.45}
.scene-bundle-label{margin-top:10px;padding:12px 22px 8px;border-top:2px solid #173856;background:#edf3f5;color:#173856;font-size:9px;font-weight:900;line-height:1.4}.scene-bundle-label:first-child{margin-top:0}.structure-body-image{height:52px;margin:0 20px;background-position:center;background-size:cover;display:flex;align-items:flex-end;padding:8px 12px;color:#fff}.structure-body-image b{font-size:9px;text-shadow:0 1px 5px #000}.structure-scene:has(.structure-body-image) .structure-note-layout{height:calc(100% - 100px);padding-top:10px}.sentence-exam-points li span{display:block;margin-top:2px;color:#c9d6df;font-weight:400}.classroom-job-progress{width:190px;max-width:100%;height:4px;margin-top:8px;background:#e3eaee;overflow:hidden}.classroom-job-progress i{display:block;height:100%;background:#6aa98d;transition:width .35s}.studio-lesson-main em{display:block;margin-top:3px;color:#6b8494;font:700 7px "DM Sans"}.studio-lesson-row.processing .studio-lesson-mark{font-size:9px;background:#f4ead4;color:#8f6727}.studio-lesson-row.processing .studio-status{color:#8f6727}.studio-lesson-row.processing .studio-status i{background:#d7ad58}.studio-lesson-actions button:disabled{cursor:default;background:#f4f6f7!important;border-color:#dce3e6!important;color:#9aa7ae!important}
.chunk.has-triangle small{color:var(--orange);font-weight:800}
@media(max-width:720px){.passage-library-group-items{grid-template-columns:1fr}}

/* Fast workbook: deterministic local templates over the completed lesson analysis. */
.deliverable-card.workbook-card{border-color:#d8c48d;background:linear-gradient(145deg,#fffefa,#fff9e8);box-shadow:5px 5px 0 #eee3c7}.deliverable-icon.workbook{background:#f7d879;color:#6c4a13}.workbook-speed{grid-column:2;display:grid;grid-template-columns:1fr auto;align-items:center;padding:9px 11px;border:1px solid #e0cf9d;background:#fffdf6}.workbook-speed span{font-size:8px;color:#8c7a51}.workbook-speed b{color:#2f7658;font-size:13px}.workbook-speed small{grid-column:1/-1;margin-top:3px;color:#9a8b6c;font-size:7px}.workbook-quick-download{flex:1;padding:11px 13px;border:0;background:#a86b18;color:#fff;font-size:9px;font-weight:900}
.workbook-builder-dialog{position:relative;width:min(720px,calc(100vw - 28px));max-height:calc(100vh - 34px);overflow:auto;padding:28px;border:1px solid #cdb97d;background:#fffefa;box-shadow:10px 10px 0 rgba(69,54,22,.14)}.workbook-builder-dialog>small{color:#9b6d2c;font:800 8px "DM Sans";letter-spacing:.14em}.workbook-builder-dialog h2{margin:7px 0 8px;color:#173856;font-size:24px}.workbook-builder-dialog>p{margin:0 0 18px;color:#71808b;font-size:10px;line-height:1.6}.workbook-type-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.workbook-type-groups fieldset{margin:0;padding:12px;border:1px solid #ddd4ba;background:#fffdf7}.workbook-type-groups legend{padding:0 5px;color:#7d602d;font-size:9px;font-weight:900}.workbook-type-groups label{display:flex;align-items:center;gap:7px;margin:7px 0;color:#334e68;font-size:10px}.workbook-type-groups input{accent-color:#a86b18}.workbook-options{display:flex;justify-content:space-between;gap:12px;margin:14px 0;padding:11px 12px;background:#f5f7f8;color:#526675;font-size:9px}.workbook-options select{margin-left:7px;padding:5px;border:1px solid #cbd5e1;background:white;color:#334e68}.workbook-price-summary{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid #d9c794;background:#fff8df}.workbook-price-summary span,.workbook-price-summary small{display:block;color:#786b4f;font-size:9px}.workbook-price-summary small{margin-top:4px;color:#9a8b6c;font-size:8px}.workbook-price-summary>div:last-child{text-align:right}.workbook-price-summary b{display:block;margin-top:4px;color:#2f7658;font-size:20px}@media(max-width:650px){.workbook-type-groups{grid-template-columns:1fr}.workbook-options{display:grid}.workbook-builder-dialog{padding:21px}}
/* Both TESIA eyes share one clock: pupils move together and lids blink together. */
.production-signature-eye.eye-right{animation-delay:0s}
.production-signature-eye.eye-right b{animation-delay:0s}
.segment-progress-list article.failed{border-color:#d79588;background:#fff4f1}
.segment-progress-list article.failed i{background:#b95e50;border-color:#b95e50;color:#fff}

/* Seven event-driven production stages and a still success state. */
.production-stage-list{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.production-stage-list>div{min-width:0}.production-stage-list>div:last-child{grid-column:1/-1}.production-stage-list>div.active i{border-color:#d49a3c;background:#fff8df;color:#9a671f;box-shadow:0 0 0 4px #fff4cf}.production-stage-list>div.active b{color:#9a671f}.production-stage-list>div:not(.active):not(.done){opacity:.58}.production-stage-list>div.done{opacity:1}
body.production-complete .production-spinner i,body.production-paused .production-spinner i,body.production-complete .production-signature-eye,body.production-paused .production-signature-eye,body.production-complete .production-signature-eye b,body.production-paused .production-signature-eye b,body.production-complete .production-guide:after,body.production-paused .production-guide:after,body.production-complete .analysis-progress:after,body.production-paused .analysis-progress:after,body.production-complete .segment-progress-list article.active i,body.production-paused .segment-progress-list article.active i{animation:none!important}body.production-complete .production-spinner i{border-color:#d8e8df;border-top-color:#3b9a6e;transform:none}body.production-complete .production-guide{border-color:#9cc8b4;background:#f1f8f3}body.production-complete .production-guide:after,body.production-paused .production-guide:after{display:none}

/* Workbook maker: options on the left, live A4 review on the right. */
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@media(max-width:900px){.workbook-builder-layout{grid-template-columns:1fr}.workbook-preview-viewport{height:500px}}
@media(max-width:650px){.production-stage-list{grid-template-columns:1fr}.production-stage-list>div:last-child{grid-column:auto}.workbook-builder-layout .workbook-type-groups,.workbook-option-card .workbook-options{grid-template-columns:1fr}.workbook-builder-layout .workbook-type-groups fieldset:last-child{grid-column:auto}.workbook-preview-viewport{height:430px;padding:10px}.workbook-preview-paper{padding:22px 18px}.workbook-builder-actions button:last-child{min-width:0}}

/* Finished lecture video export. */
.video-deliverable-actions{display:grid!important;grid-template-columns:1fr 1fr;gap:8px}.video-deliverable-actions button{min-height:38px}.video-download{padding:10px 13px;border:1px solid #173856;background:#173856;color:white;font-size:9px;font-weight:900}.video-download:disabled{cursor:wait;opacity:.65}.video-deliverable-actions small{grid-column:1/-1;color:#71808b;font-size:8px;line-height:1.5}.video-deliverable-actions small.ready{color:#2f7658}.video-deliverable-actions small.error{color:#a24e42}@media(max-width:650px){.video-deliverable-actions{grid-template-columns:1fr}}

/* The primary start action should be unmistakable after a passage is selected. */
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/* Anonymous teacher lounge opens from the persistent top navigation. */
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.mock-round-divider{grid-column:1/-1;display:flex;align-items:center;gap:8px;margin:8px 0 1px;padding:6px 8px;border-top:1px solid #d8e0e5;color:#274866}.mock-round-divider span{font:700 7px "DM Sans";letter-spacing:.14em;color:#7c94a8}.mock-round-divider b{font-size:10px}
@media(max-width:780px){.mock-picker-filters .mock-picker-round{grid-column:1/-1}}
.studio-toast[hidden]{display:none !important}
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/* The deliverables preview must show rendered pages from the current PDF. */
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/* Fluid type scale for landing, sign-in, and the main creation steps. */
:root{font-size:clamp(14px,calc(13.5px + .12vw),16px)}
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.site-header nav button,.header-cta,.hero-description,.primary-button,.text-button{font-size:clamp(.82rem,calc(.78rem + .16vw),1rem)}
.hero-copy h1{font-size:clamp(3rem,7vw,7rem)}
.method-heading h2{font-size:clamp(2.2rem,4.2vw,3.5rem)}
.method-heading p,.method-list p,.input-intro>p:not(.kicker),.input-intro li{font-size:clamp(.85rem,calc(.8rem + .15vw),1rem)}
.input-intro h2,.analysis-copy h2{font-size:clamp(2.15rem,4vw,3.25rem)}
.passage-panel textarea{font-size:clamp(.95rem,calc(.88rem + .22vw),1.12rem)}
.auth-title h1{font-size:clamp(1.8rem,3vw,2.25rem)}
.auth-title p,.auth-mode-tabs button,.google-auth,.email-auth input,.email-auth>button,.policy-check{font-size:clamp(.82rem,calc(.78rem + .12vw),.95rem)}
.rehearsal-intake h3{font-size:clamp(1.15rem,2.2vw,1.4rem)}
.rehearsal-fields input,.rehearsal-fields select,.rehearsal-fields textarea{font-size:clamp(.9rem,calc(.84rem + .16vw),1rem)}
@media(max-width:560px){
  .hero-copy h1{font-size:clamp(2.8rem,12vw,4rem)}
  .hero-description{font-size:clamp(.9rem,4vw,1.05rem);line-height:1.7}
  .method-heading h2{font-size:clamp(2rem,9vw,2.6rem)}
  .input-intro h2,.analysis-copy h2{font-size:clamp(2rem,9vw,2.65rem)}
  .auth-dialog{width:min(calc(100vw - 20px),600px);height:min(92vh,820px);overflow:auto}
  .auth-panel{padding-top:24px;padding-bottom:28px}
  .passage-panel textarea{font-size:16px}
}