@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap";:root{font-family:Inter,system-ui,sans-serif;color:#f6f5f8;background:#08090d;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#08090d}button,input{font:inherit}button{color:inherit}.app-shell{min-height:100vh;position:relative;overflow:hidden;background:radial-gradient(circle at 14% 8%,rgba(118,74,180,.16),transparent 32%),radial-gradient(circle at 88% 28%,rgba(43,111,151,.12),transparent 34%),#08090d}.ambient{position:fixed;width:480px;height:480px;border-radius:50%;filter:blur(120px);opacity:.16;pointer-events:none}.ambient-a{background:#8a4bd8;top:-260px;left:-160px}.ambient-b{background:#327b9b;right:-260px;bottom:-280px}.topbar{position:sticky;top:0;z-index:20;height:72px;padding:0 5vw;display:flex;align-items:center;gap:30px;border-bottom:1px solid rgba(255,255,255,.07);background:#08090dc7;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.brand{font:800 22px Sora,sans-serif;letter-spacing:.04em}nav{display:flex;gap:4px}nav button,.text-button{border:0;background:transparent;padding:9px 12px;color:#9897a4;cursor:pointer}nav .nav-active{color:#fff}.search{margin-left:auto;width:min(430px,42vw);display:flex;gap:10px;align-items:center;background:#ffffff0e;border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:10px 13px}.search input{width:100%;background:none;border:0;outline:0;color:#fff}.search input::placeholder{color:#777682}main{width:min(1200px,90vw);margin:auto;padding:62px 0 100px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;min-height:470px}.eyebrow{display:flex;gap:8px;align-items:center;color:#bca8dd;font-size:12px;font-weight:700;letter-spacing:.1em}h1,h2,h3{font-family:Sora,sans-serif}h1{font-size:clamp(42px,6vw,72px);line-height:1.02;max-width:680px;margin:16px 0;letter-spacing:-.055em}.hero p{color:#aaa9b5;max-width:570px;line-height:1.7;font-size:16px}.hero-actions{display:flex;gap:10px;margin-top:28px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:11px;padding:12px 17px;border:1px solid rgba(255,255,255,.1);cursor:pointer}.primary{background:linear-gradient(135deg,#8b52d6,#5b6fca);box-shadow:0 12px 40px #6e4caa38}.secondary{background:#ffffff0e}.full{width:100%;margin-top:10px}.hero-cover{height:410px;position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 80px #0006}.hero-cover img{width:100%;height:100%;object-fit:cover}.cover-gradient{position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(8,9,13,.82))}.cover-label{position:absolute;bottom:24px;left:24px;font:700 13px Sora;letter-spacing:.1em}section{margin-top:76px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}h2{margin:0;font-size:23px}.section-head p{margin:7px 0 0;color:#85848f;font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.practice-card{cursor:pointer}.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:15px;background:#111}.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.practice-card:hover .thumb img{transform:scale(1.025)}.thumb span{position:absolute;bottom:12px;left:12px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#08090dbf;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.practice-card h3{font-size:15px;margin:12px 0 4px}.practice-card p{color:#81808c;margin:0;font-size:13px}.timeline-demo{display:grid;grid-template-columns:1.45fr .75fr;gap:18px}.video-demo,.section-panel{border:1px solid rgba(255,255,255,.08);border-radius:18px;background:#ffffff09;overflow:hidden}.youtube-surface{aspect-ratio:16/9;position:relative;display:grid;place-items:center;overflow:hidden;background:#101116}.yt-glass{position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(147,88,220,.34),transparent 34%),linear-gradient(135deg,rgba(255,255,255,.04),transparent 45%,rgba(67,136,168,.16))}.yt-play{position:relative;width:68px;height:68px;display:grid;place-items:center;border-radius:50%;background:#ffffff1f;border:1px solid rgba(255,255,255,.25);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.demo-title{position:absolute;left:18px;bottom:16px;font-size:13px;color:#c5c4cc}.section-panel{padding:17px}.panel-title{display:flex;align-items:center;justify-content:space-between;font:700 14px Sora}.panel-title button{display:flex;align-items:center;gap:5px;border:0;background:#ffffff12;border-radius:8px;padding:8px 10px;cursor:pointer}.empty-panel{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#686773;gap:8px}.empty-panel strong{color:#aaa9b5;font-size:13px}.empty-panel p{max-width:230px;font-size:12px;line-height:1.5;margin:0}.section-row{margin-top:11px;padding:12px;border-radius:10px;background:#ffffff0b;display:grid;grid-template-columns:1fr auto;gap:5px}.section-row span{color:#777682;font-size:12px}.section-row em{grid-column:2;grid-row:1/3;align-self:center;color:#bda3e6;font-style:normal;font-size:12px}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:#020306b8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.setup-modal{width:min(440px,100%);padding:30px;border-radius:22px;border:1px solid rgba(255,255,255,.11);background:#121319f0;box-shadow:0 30px 100px #0000008c}.modal-kicker{color:#bca8dd;font-size:11px;font-weight:800;letter-spacing:.12em}.setup-modal h2{margin:9px 0 8px;font-size:25px}.setup-modal p{color:#92919c;line-height:1.6;font-size:14px;margin-bottom:20px}@media(max-width:800px){nav{display:none}.search{width:auto;flex:1}.hero,.timeline-demo{grid-template-columns:1fr}.hero-cover{height:300px}.card-grid{grid-template-columns:1fr 1fr}main{padding-top:35px}}@media(max-width:520px){.card-grid{grid-template-columns:1fr}.hero-actions{flex-direction:column}.topbar{gap:12px;padding:0 4vw}.brand{font-size:18px}}.clear-search{background:none;border:0;color:#777682;display:grid;place-items:center;cursor:pointer}.small{padding:9px 12px;font-size:13px}.player-section{margin-top:70px}.integrated-player{border:1px solid rgba(255,255,255,.1);border-radius:22px;overflow:hidden;background:#07080b;box-shadow:0 30px 90px #00000073}.video-wrap{position:relative;aspect-ratio:16/9;background:#000}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.yt-host{position:absolute;inset:0;width:100%;height:100%}.yt-host iframe{width:100%;height:100%;border:0}.video-glass{position:absolute;inset:0;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:18px 20px;background:linear-gradient(180deg,rgba(9,10,14,.56),transparent 24%,transparent 72%,rgba(9,10,14,.64)),radial-gradient(circle at 4% 0%,rgba(143,83,213,.28),transparent 28%),radial-gradient(circle at 98% 100%,rgba(52,124,157,.2),transparent 30%);box-shadow:inset 0 0 90px #5b408214}.video-topline,.video-bottom{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#fffc;text-shadow:0 2px 10px #000}.live-pill{padding:5px 8px;border-radius:8px;background:#ffffff17;border:1px solid rgba(255,255,255,.14);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);font-size:10px;font-weight:800;letter-spacing:.1em}.video-bottom{font:600 13px Sora}.player-toolbar{min-height:66px;display:flex;align-items:center;gap:8px;padding:10px 14px;background:#0c0d12f5;border-top:1px solid rgba(255,255,255,.07)}.player-toolbar button{border:0;background:#ffffff0b;border-radius:9px;padding:9px 11px;display:flex;align-items:center;gap:7px;cursor:pointer;color:#aaa9b5}.player-toolbar button:hover,.player-toolbar .active{background:#ffffff1a;color:#fff}.toolbar-play{width:40px;height:40px;justify-content:center!important;background:linear-gradient(135deg,#8b52d6,#5b6fca)!important;color:#fff!important}.speed-picker{display:flex;margin-left:auto;gap:2px;padding:3px;border-radius:10px;background:#ffffff0b}.speed-picker button{padding:7px 9px;background:transparent}.progress-card{border:1px solid rgba(255,255,255,.08);border-radius:18px;background:#ffffff09;padding:22px;display:flex;flex-direction:column;gap:9px}.progress-card svg{color:#bca8dd}.progress-card strong{font:700 14px Sora}.progress-card p{color:#85848f;font-size:13px;line-height:1.6;margin:0}.wide-panel{padding:17px;min-height:220px}.modal-close{position:absolute;right:18px;top:18px;border:0;background:#ffffff0f;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;cursor:pointer}.setup-modal{position:relative}.editor-modal{width:min(850px,100%);max-height:88vh;overflow:auto;padding:28px;border-radius:22px;border:1px solid rgba(255,255,255,.11);background:#121319f5;box-shadow:0 30px 100px #0000008c}.editor-head{display:flex;justify-content:space-between;position:relative}.editor-head .modal-close{position:static}.editor-head h2{margin:8px 0 0;font-size:25px}.editor-copy{color:#85848f;font-size:13px;line-height:1.5}.section-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}.editor-row{display:grid;grid-template-columns:90px 1.4fr .8fr .8fr .8fr .7fr;gap:8px;align-items:end;padding:13px;border-radius:12px;background:#ffffff0b}.countdown-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;pointer-events:none;background:radial-gradient(circle,#14101d3d,#03040761)}.countdown-card{min-width:300px;padding:25px 34px;text-align:center;border-radius:22px;background:#14141c94;border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(26px);backdrop-filter:blur(26px);box-shadow:0 25px 80px #0006}.countdown-label{font:700 14px Sora;color:#d9d4e2}.countdown-label b{color:#fff}.countdown-number{font:800 100px Sora;line-height:1;margin-top:10px;background:linear-gradient(135deg,#fff,#bda3e6);-webkit-background-clip:text;color:transparent}.countdown-meta{display:flex;gap:14px;justify-content:center;margin-top:6px;font-size:12px;color:#a9a7b3;flex-wrap:wrap}.status-pill{align-self:flex-end;display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:12px;background:#0c0d1299;border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);font-size:12px;text-shadow:0 2px 10px #000}.status-pill strong{font:700 13px Sora}.status-pill span{color:#ffffffc7}.stop-practice{color:#f0a5a5!important;margin-left:auto}.finished-banner{margin-top:14px;display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:14px;background:#8b52d61f;border:1px solid rgba(139,82,214,.3);font-size:13px;color:#d9d4e2}.editor-card{border-radius:12px;background:#ffffff0b;padding:13px 13px 15px;display:flex;flex-direction:column;gap:10px}.editor-row{display:grid;grid-template-columns:90px 1.3fr .85fr .85fr .7fr .6fr 30px;gap:8px;align-items:end;background:none;padding:0}.editor-row input,.editor-row select{width:100%;margin-top:6px;border:1px solid rgba(255,255,255,.1);background:#111218;color:#fff;border-radius:8px;padding:9px;outline:0}.time-field{display:flex;gap:5px;margin-top:6px}.time-field input{margin-top:0}.time-field button{border:1px solid rgba(255,255,255,.1);background:#ffffff0f;color:#bda3e6;border-radius:8px;padding:0 9px;font-size:11px;font-weight:700;cursor:pointer}.row-remove{border:0;background:#ffffff0d;color:#b98e8e;border-radius:8px;height:38px;display:grid;place-items:center;cursor:pointer}.row-title{font-size:12px;color:#aaa9b5;padding-bottom:10px}.editor-row label{font-size:10px;color:#777682}.editor-actions{display:flex;justify-content:space-between;margin-top:18px}.progression-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-top:10px;border-top:1px dashed rgba(255,255,255,.08);flex-wrap:wrap}.progression-choice{display:flex;gap:14px;flex-wrap:wrap}.progression-choice label{display:flex;align-items:center;gap:6px;font-size:12px;color:#93929d;cursor:pointer}.progression-choice label.active{color:#e7e2f2}.progression-choice input{width:auto;margin:0}.progression-preview{display:flex;gap:10px;font-size:11px;color:#85848f}.progression-preview b{display:block;color:#bda3e6;font-size:10px;letter-spacing:.06em}@media(max-width:800px){.player-toolbar{flex-wrap:wrap}.speed-picker{margin-left:0}.editor-row{grid-template-columns:1fr 1fr}.row-title{grid-column:1/-1}.stop-practice{margin-left:0}}.diff-badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:7px;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;line-height:1;vertical-align:middle}h2 .diff-badge{margin-left:9px;font-size:10px;vertical-align:2px}.thumb .diff-badge{position:absolute;top:10px;right:10px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-cover .diff-badge{position:absolute;top:18px;right:18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.diff-beginner{background:#4ac9902e;color:#7be3ab;border:1px solid rgba(74,201,144,.35)}.diff-easy{background:#67b4e02e;color:#8fcdf2;border:1px solid rgba(103,180,224,.35)}.diff-medium{background:#e6b2542e;color:#f2c877;border:1px solid rgba(230,178,84,.35)}.diff-hard{background:#e067782e;color:#f28fa0;border:1px solid rgba(224,103,120,.35)}.editor-drawer{margin-top:18px;border:1px solid rgba(139,82,214,.28);border-radius:20px;background:#8b52d60e;padding:22px;box-shadow:0 20px 60px #0000004d}.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.drawer-head h2{margin:8px 0 6px;font-size:22px}.drawer-head .editor-copy{max-width:560px;margin:0;color:#a09fac}.drawer-head .editor-copy b{color:#e7e2f2}.drawer-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.drawer-now{display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);color:#d9d4e2;font-size:12px;white-space:nowrap}.drawer-now strong{font:700 13px Sora}.drawer-now span{color:#82818c;font-size:10px;text-transform:uppercase;letter-spacing:.06em}.editor-card-live{border-radius:16px;background:#ffffff0b;border:1px solid rgba(255,255,255,.06);padding:16px;margin-top:14px;display:flex;flex-direction:column;gap:11px}.live-card-top{display:flex;align-items:center;gap:10px}.live-index{font:800 12px Sora;color:#6f6d7a;letter-spacing:.05em}.section-name{flex:1;border:1px solid rgba(255,255,255,.1);background:#111218;color:#fff;border-radius:9px;padding:9px 11px;outline:0;font-weight:600}.ghost-btn{display:flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.12);background:#ffffff0d;color:#d9d4e2;border-radius:9px;padding:8px 12px;font-size:12px;cursor:pointer;white-space:nowrap}.ghost-btn:hover{background:#ffffff1a}.range-track{position:relative;height:34px;border-radius:9px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);cursor:pointer;overflow:hidden}.range-fill{position:absolute;top:0;bottom:0;background:linear-gradient(90deg,#8b52d68c,#5b6fca8c);border-left:2px solid #bda3e6;border-right:2px solid #8fcdf2}.range-playhead{position:absolute;top:0;bottom:0;width:2px;background:#fff;box-shadow:0 0 8px #fffc;pointer-events:none}.track-hint{font-size:11px;color:#6f6d7a;margin-top:-3px}.capture-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.capture-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:9px 10px;border-radius:11px;background:#ffffff08}.capture-label{display:flex;align-items:center;gap:5px;font-size:11px;font-weight:700;letter-spacing:.04em;color:#9d9ca7;text-transform:uppercase;width:100%}.capture-controls{display:flex;align-items:center;gap:6px}.capture-controls button{width:24px;height:24px;border-radius:7px;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#e7e2f2;display:grid;place-items:center;cursor:pointer;font-size:14px;line-height:1}.capture-controls button:hover{background:#ffffff1f}.capture-controls strong{min-width:44px;text-align:center;font:700 13px Sora;color:#fff}.set-here{display:flex;align-items:center;gap:6px;margin-left:auto;border:1px solid rgba(139,82,214,.4);background:#8b52d629;color:#e2d4fa;border-radius:9px;padding:7px 11px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}.set-here:hover{background:#8b52d647}.mini-field{display:flex;align-items:center;gap:7px;font-size:11px;color:#85848f}.mini-field select,.mini-field input{border:1px solid rgba(255,255,255,.1);background:#111218;color:#fff;border-radius:7px;padding:6px 8px;outline:0;width:64px}@media(max-width:800px){.capture-row{grid-template-columns:1fr}.drawer-head{flex-direction:column}.drawer-right{align-self:flex-end}}.difficulty-picker{margin-bottom:20px}.difficulty-label{display:block;font-size:11px;font-weight:800;letter-spacing:.08em;color:#85848f;text-transform:uppercase;margin-bottom:9px}.difficulty-chips{display:flex;gap:8px;flex-wrap:wrap}.diff-chip{border-radius:9px;padding:8px 13px;font-size:12px;font-weight:700;cursor:pointer;opacity:.55;transition:opacity .15s,transform .15s}.diff-chip:hover{opacity:.8}.diff-chip.active{opacity:1;transform:translateY(-1px)}