:root{color-scheme:light;--ink:#16211d;--muted:#67746e;--line:#e2e8e3;--paper:#f5f7f3;--card:#fff;--green:#27634d;--green-dark:#194735;--green-pale:#eaf2ec;--red:#e43139;--red-soft:#fff0ef;--gold:#edb949;--shadow:0 12px 40px rgba(24,45,34,.07);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.55}.page-shell{max-width:1440px;margin:0 auto;padding:0 34px}.skip-link{position:absolute;top:-100px;left:12px;background:var(--green-dark);color:#fff;padding:10px 14px;border-radius:8px;z-index:100}.skip-link:focus{top:10px}.masthead{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:13px}.back-link{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:10px;color:var(--ink);text-decoration:none;font-size:12px;font-weight:700;background:#fff}.back-link:hover{border-color:var(--green);color:var(--green)}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.82fr);gap:35px;align-items:center;padding:50px 0 42px}.hero-copy{padding:10px 0}.eyebrow{margin:0;color:var(--green);font-size:10px;font-weight:800;letter-spacing:1.35px;text-transform:uppercase;display:flex;align-items:center;gap:8px}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(228,49,57,.1)}h1,h2,h3,p{margin-top:0}.hero h1{max-width:650px;margin:15px 0 13px;font-size:clamp(36px,5vw,64px);line-height:1.04;letter-spacing:-2.6px;font-weight:780}.hero-text{max-width:660px;margin:0;color:#5d6c64;font-size:17px;line-height:1.65}.hero-points{display:flex;flex-wrap:wrap;gap:11px 20px;margin-top:22px;color:#44564c;font-size:12px;font-weight:650}.hero-points>span{display:flex;align-items:center;gap:7px}.hero-points i{font-style:normal;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;background:#e3f1e7;color:var(--green);font-size:11px}.hero-visual{height:270px;position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(135deg,#1b4f3c,#2f7658 60%,#9ab36d);box-shadow:var(--shadow)}.hero-visual:before{content:"";position:absolute;width:350px;height:350px;border-radius:50%;right:-80px;top:-120px;background:rgba(228,239,197,.16);border:1px solid rgba(255,255,255,.18)}.hero-visual:after{content:"";position:absolute;width:430px;height:160px;left:-60px;bottom:-94px;border-radius:50%;background:rgba(16,48,34,.31);transform:rotate(-8deg)}.visual-sun{position:absolute;width:105px;height:105px;right:75px;top:28px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 18px rgba(237,185,73,.1)}.visual-play{position:absolute;z-index:2;left:50%;top:48%;transform:translate(-50%,-50%);width:71px;height:71px;border-radius:22px;display:grid;place-items:center;padding-left:4px;color:#fff;font-size:25px;background:var(--red);box-shadow:0 14px 36px rgba(81,29,25,.32);rotate:-7deg}.visual-lines{position:absolute;left:38px;right:36px;bottom:52px;height:52px;border-bottom:2px solid rgba(242,247,225,.65);border-radius:0 0 52% 48%;transform:rotate(-5deg)}.visual-lines:before,.visual-lines:after{content:"";position:absolute;bottom:2px;border:2px solid rgba(242,247,225,.52);border-bottom:0;width:135px;height:67px;border-radius:80% 80% 0 0}.visual-lines:before{left:22px}.visual-lines:after{right:42px;width:84px;height:43px}.visual-card{position:absolute;z-index:3;display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid rgba(255,255,255,.45);border-radius:12px;background:rgba(250,252,247,.92);box-shadow:0 7px 20px rgba(17,44,31,.15);font-size:10px;font-weight:700;color:#294538}.visual-card b{font-size:15px;color:var(--green)}.visual-card-top{top:24px;left:23px}.visual-card-bottom{bottom:21px;right:22px}.visual-caption{position:absolute;z-index:2;bottom:23px;left:25px;color:rgba(255,255,255,.75);font-size:9px;letter-spacing:1.5px;font-weight:800}.workspace-layout{display:grid;grid-template-columns:290px minmax(0,1fr);align-items:start;gap:20px;padding-bottom:42px}.tool-rail,.tool-stage{border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:var(--shadow)}.tool-rail{position:sticky;top:16px;padding:18px 15px 15px}.rail-heading{display:flex;align-items:center;justify-content:space-between;margin:1px 2px 15px}.rail-heading .eyebrow{font-size:9px}.rail-heading h2{margin:5px 0 0;font-size:18px;letter-spacing:-.4px}.tool-count{width:29px;height:29px;border-radius:9px;display:grid;place-items:center;background:var(--green-pale);color:var(--green);font-size:12px;font-weight:800}.search-box{height:40px;display:flex;align-items:center;gap:7px;padding:0 9px;border:1px solid var(--line);border-radius:10px;color:#829087;background:#fbfcfa}.search-box>span{font-size:22px;line-height:1}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:12px}.search-box kbd{border:1px solid var(--line);border-radius:5px;background:#fff;padding:1px 5px;font-size:10px;color:#829087}.tool-list{display:grid;gap:5px;margin-top:13px}.tool-nav{width:100%;display:flex;align-items:center;gap:10px;text-align:left;border:1px solid transparent;border-radius:11px;padding:9px 9px;background:transparent;color:#405147;font:inherit;cursor:pointer;transition:background .16s,border .16s,transform .16s}.tool-nav:hover{background:#f6f9f5;transform:translateX(2px)}.tool-nav[aria-current=true]{background:var(--green-pale);border-color:#dce9df;color:var(--green-dark)}.tool-nav-icon{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:none;background:#f1f4f0;font-size:15px}.tool-nav[aria-current=true] .tool-nav-icon{background:#fff}.tool-nav-copy{display:grid;min-width:0}.tool-nav-copy strong{font-size:12px;line-height:1.25}.tool-nav-copy small{font-size:10px;color:#859188;margin-top:3px;line-height:1.25}.rail-note{display:flex;gap:9px;margin:16px 2px 0;padding:12px 10px;border-radius:12px;background:#f6f8f5;color:#65746b}.rail-note p{margin:0;font-size:10px;line-height:1.5}.shield-icon{color:var(--green);font-size:18px}.tool-stage{min-height:565px;padding:28px}.welcome-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.welcome-head h2{font-size:30px;line-height:1.12;letter-spacing:-1px;margin:7px 0 8px}.welcome-head p{max-width:620px;color:var(--muted);font-size:14px;margin:0}.workflow-pill{flex:none;border-radius:999px;padding:7px 11px;background:#f3f5f1;color:#56645a;font-size:10px;font-weight:700}.tool-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:25px}.tool-card{position:relative;text-align:left;min-height:145px;padding:17px;border:1px solid var(--line);border-radius:15px;background:#fff;color:inherit;font:inherit;cursor:pointer;transition:border .16s,box-shadow .16s,transform .16s}.tool-card:hover{border-color:#b8ccbd;box-shadow:0 8px 23px 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0;color:#849087;font-size:10px;line-height:1.45}.field input[type=text],.field input[type=url],.field input[type=number],.field input[type=password],.field input[type=search],.field select,.field textarea,.field-control{width:100%;min-height:43px;padding:10px 12px;border:1px solid #dfe6e0;border-radius:10px;background:#fff;color:var(--ink);font:inherit;font-size:13px;outline:0}.field textarea{resize:vertical;min-height:125px;line-height:1.5}.field input:focus,.field select:focus,.field textarea:focus{border-color:#74a48b;box-shadow:0 0 0 3px rgba(39,99,77,.1)}.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field-row.three{grid-template-columns:repeat(3,minmax(0,1fr))}.check-row{display:flex;align-items:flex-start;gap:8px;color:#56645a;font-size:11px}.check-row input{margin-top:3px;accent-color:var(--green)}.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:9px}.button-primary,.button-secondary,.button-danger{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 15px;border-radius:10px;font:inherit;font-size:12px;font-weight:750;cursor:pointer;transition:filter .16s,transform .16s}.button-primary{border:1px solid var(--green-dark);background:var(--green-dark);color:#fff;box-shadow:0 5px 13px rgba(25,71,53,.12)}.button-primary:hover,.button-secondary:hover,.button-danger:hover{filter:brightness(1.06);transform:translateY(-1px)}.button-primary:disabled,.button-secondary:disabled,.button-danger:disabled{opacity:.52;cursor:not-allowed;transform:none}.button-secondary{border:1px solid var(--line);background:#fff;color:#405147}.button-danger{border:1px solid #f2d3d0;background:var(--red-soft);color:#b8252c}.status-box{display:none;padding:11px 13px;border:1px solid #dce7df;border-radius:10px;background:#f4f8f4;color:#42574a;font-size:11px;line-height:1.5}.status-box.is-visible{display:block}.status-box.is-error{border-color:#f0d2d0;background:#fff6f5;color:#9f2b2c}.status-box.is-info{border-color:#dce6ef;background:#f5f8fc;color:#3f5b76}.result-box{display:none;padding:16px;border:1px solid #dce7df;border-radius:13px;background:#f7faf7}.result-box.is-visible{display:block}.result-box h3{margin:0 0 9px;font-size:14px}.result-content{white-space:pre-wrap;overflow-wrap:anywhere;color:#36473e;font-size:13px;line-height:1.6}.result-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.winner-card{padding:19px;border:1px solid #efd89e;border-radius:14px;background:linear-gradient(140deg,#fff9e9,#fff);text-align:center}.winner-card .winner-label{font-size:10px;letter-spacing:1.2px;color:#997222;font-weight:850;text-transform:uppercase}.winner-card strong{display:block;margin:8px 0 4px;font-size:23px;color:#273d30}.winner-card p{margin:0;font-size:12px;color:#65746b}.winner-meta{margin-top:12px;color:#7d735c;font-size:10px}.comment-list{display:grid;gap:7px;max-height:280px;overflow:auto}.comment-item{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fcfdfb}.comment-item strong{display:block;color:var(--green-dark);font-size:11px}.comment-item p{margin:4px 0;color:#516058;font-size:11px}.comment-item small{color:#909b93;font-size:9px}.divider{height:1px;background:var(--line);margin:5px 0}.upload-zone{position:relative;display:grid;place-items:center;gap:7px;min-height:125px;padding:20px;border:1px dashed #b8c9bc;border-radius:14px;background:#f9fbf8;text-align:center;color:#53635a}.upload-zone input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-zone strong{font-size:13px}.upload-zone span{font-size:10px;color:#849087}.subtitle-table{display:grid;gap:7px;max-height:470px;overflow:auto}.subtitle-row{display:grid;grid-template-columns:85px minmax(0,1fr) minmax(0,1fr);gap:8px;align-items:start;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff}.subtitle-time{padding-top:8px;font-variant-numeric:tabular-nums;color:#748178;font-size:10px}.subtitle-row textarea{width:100%;min-height:55px;padding:7px;border:1px solid #e4e9e5;border-radius:7px;resize:vertical;font:inherit;font-size:11px;line-height:1.4}.subtitle-row textarea:focus{outline:2px solid rgba(39,99,77,.16);border-color:#74a48b}.subtitle-heading{display:grid;grid-template-columns:85px minmax(0,1fr) minmax(0,1fr);gap:8px;padding:0 8px;color:#829087;font-size:9px;text-transform:uppercase;letter-spacing:.8px;font-weight:800}.video-preview{display:none;width:100%;max-height:420px;border-radius:12px;background:#111}.video-preview.is-visible{display:block}.clip-list{display:grid;gap:8px}.clip-card{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:11px}.clip-card strong{font-size:12px}.clip-card p{margin:3px 0 0;color:var(--muted);font-size:10px}.thumb-preview-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(180px,.7fr);gap:13px;align-items:start}.thumb-frame{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:11px;background:linear-gradient(135deg,#ddd,#f3f4ef);border:1px solid var(--line)}.thumb-frame img{width:100%;height:100%;object-fit:contain}.thumb-overlay{position:absolute;left:0;right:0;bottom:0;padding:9% 7% 5%;background:linear-gradient(transparent,rgba(0,0,0,.66));color:#fff;text-shadow:0 1px 4px #000;font-size:clamp(11px,1.5vw,18px);font-weight:800;line-height:1.15}.thumb-mobile{padding:10px;border:1px solid var(--line);border-radius:12px;background:#fafbf9}.thumb-mobile .thumb-frame{border-radius:8px}.thumb-mobile p{margin:8px 0 0;color:var(--muted);font-size:10px}.meter{height:7px;border-radius:999px;background:#edf1ec;overflow:hidden}.meter span{display:block;height:100%;width:0;background:var(--green);transition:width .2s}.key-note{padding:11px 12px;border-radius:10px;background:#f5f7f3;color:#59675f;font-size:10px;line-height:1.5}.key-note a{color:var(--green);font-weight:750}.video-results{display:grid;gap:9px}.video-result{display:grid;grid-template-columns:125px minmax(0,1fr);gap:11px;padding:10px;border:1px solid var(--line);border-radius:11px}.video-result img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:7px;background:#eff2ee}.video-result h3{margin:0 0 4px;font-size:12px}.video-result p{margin:0;color:var(--muted);font-size:10px;line-height:1.4}.article-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.article-links a{padding:7px 10px;border:1px solid var(--line);border-radius:999px;color:var(--green-dark);font-size:10px;font-weight:700;text-decoration:none}.article-links a:hover{border-color:var(--green)}.site-footer{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);color:#849087;font-size:10px}.site-footer a{color:#53645a;text-decoration:none;font-weight:750}.site-footer a:hover{color:var(--green)}.toast{position:fixed;z-index:120;left:50%;bottom:20px;max-width:min(90vw,520px);transform:translate(-50%,20px);opacity:0;pointer-events:none;padding:11px 15px;border-radius:11px;background:#182820;color:#fff;font-size:12px;box-shadow:0 8px 25px rgba(0,0,0,.2);transition:opacity .2s,transform .2s}.toast.is-visible{opacity:1;transform:translate(-50%,0)}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}body[dir=rtl] .hero-copy,body[dir=rtl] .tool-rail,body[dir=rtl] .tool-stage{text-align:right}body[dir=rtl] .tool-nav{text-align:right}body[dir=rtl] .tool-nav:hover{transform:translateX(-2px)}body[dir=rtl] .subtitle-row textarea{text-align:right}
@media(max-width:980px){.page-shell{padding:0 22px}.hero{gap:20px;grid-template-columns:minmax(0,1fr) minmax(250px,.75fr)}.workspace-layout{grid-template-columns:245px minmax(0,1fr);gap:14px}.tool-stage{padding:22px}.tool-rail{padding:15px 12px}.hero-visual{height:245px}}
@media(max-width:720px){body{font-size:15px}.page-shell{padding:0 15px}.masthead{height:auto;min-height:70px;align-items:flex-start;padding:13px 0}.brand-mark{width:38px;height:38px}.header-actions{gap:7px}.language-control{gap:5px}.language-control>span{display:none}.language-control select{max-width:125px;height:36px;font-size:11px}.back-link{min-height:36px;padding:0 9px;font-size:10px}.hero{grid-template-columns:1fr;padding:31px 0 26px;gap:19px}.hero h1{font-size:clamp(34px,9.5vw,48px);letter-spacing:-1.5px;max-width:600px}.hero-text{font-size:14px}.hero-points{gap:8px 13px;font-size:10px}.hero-visual{height:180px;border-radius:18px}.visual-sun{width:75px;height:75px;right:42px;top:18px}.visual-play{width:55px;height:55px;border-radius:18px;font-size:19px}.visual-card-top{top:14px;left:13px}.visual-card-bottom{bottom:14px;right:13px}.visual-caption{bottom:16px;left:15px;font-size:8px}.workspace-layout{grid-template-columns:1fr;gap:11px;padding-bottom:25px}.tool-rail{position:static;padding:13px}.rail-heading{margin-bottom:10px}.rail-heading h2{font-size:16px}.tool-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;margin-top:9px}.tool-nav{min-height:54px;padding:7px 6px;gap:7px}.tool-nav-icon{width:27px;height:27px;font-size:13px}.tool-nav-copy strong{font-size:10px}.tool-nav-copy small{font-size:9px}.rail-note{margin-top:10px;padding:9px}.rail-note p{font-size:9px}.tool-stage{min-height:420px;padding:17px 14px;border-radius:16px}.welcome-head h2{font-size:24px}.welcome-head p{font-size:12px}.workflow-pill{font-size:9px;padding:6px 8px}.tool-card-grid{gap:8px;margin-top:17px}.tool-card{min-height:132px;padding:12px}.card-icon{width:31px;height:31px;font-size:16px}.tool-card h3{font-size:13px;margin:9px 0 4px}.tool-card p{font-size:10px}.stage-title h2{font-size:23px}.stage-title p{font-size:11px}.field-row,.field-row.three{grid-template-columns:1fr}.subtitle-row,.subtitle-heading{grid-template-columns:64px minmax(0,1fr)}.subtitle-row textarea:last-child{grid-column:2}.subtitle-heading span:last-child{display:none}.thumb-preview-grid{grid-template-columns:1fr}.thumb-mobile{max-width:280px}.video-result{grid-template-columns:92px minmax(0,1fr)}.site-footer{flex-wrap:wrap;justify-content:flex-start;padding:13px 0}.site-footer span{width:100%;order:3}.button-primary,.button-secondary,.button-danger{min-height:40px}.winner-card strong{font-size:19px}}
@media(max-width:380px){.page-shell{padding:0 10px}.brand-copy strong{font-size:14px}.back-link{font-size:9px}.tool-nav-copy small{display:none}.tool-nav{min-height:44px}.tool-stage{padding:14px 11px}.tool-card-grid{grid-template-columns:1fr}.hero-points{display:grid}.stage-top{display:block}.text-button{padding-left:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.seo-index{margin:34px 0 46px;padding:24px clamp(16px,3vw,30px);border:1px solid var(--line);border-radius:18px;background:var(--card);box-shadow:var(--shadow)}.seo-index h2{margin:0 0 8px;font-size:clamp(20px,2.5vw,26px)}.seo-index p{max-width:900px;color:var(--muted);font-size:15px}.seo-index .article-links{gap:10px}.seo-index .article-links a{padding:10px 14px;font-size:14px;line-height:1.45}
.api-consent{margin:10px 0;padding:12px;border:1px solid #d8dfd6;border-radius:11px;background:#f7f9f5;color:#39483f;font-size:11px;line-height:1.55}.api-consent .check-row{align-items:flex-start;gap:9px}.api-consent input{margin-top:3px;flex:0 0 auto}.api-consent a{color:var(--green-dark);font-weight:750;text-decoration:underline;text-underline-offset:2px}
#article .key-note{font-size:16px;line-height:1.6}#article .key-note p{font-size:16px;line-height:1.6}#article .field-hint{font-size:13px;line-height:1.6}.contest-warning{margin:22px 0;padding:14px 16px;border:1px solid #ead9b0;border-radius:12px;background:#fff9e9;color:#554723;font-size:14px;line-height:1.65}.contest-warning a{color:#315b45;font-weight:700}#article .article-links a{padding:10px 14px;font-size:14px;line-height:1.45}

/* Glass Montage — YouTube AI visual refresh */
:root{color-scheme:dark;--ink:#eff0ff;--muted:#a6aac5;--line:rgba(183,190,255,.16);--paper:#090b18;--card:rgba(19,22,44,.82);--green:#b3a3ff;--green-dark:#d8d0ff;--green-pale:rgba(153,133,255,.15);--red:#ff718c;--red-soft:rgba(255,113,140,.13);--gold:#ffc98c;--shadow:0 22px 64px rgba(0,0,0,.28)}
html{background:#090b18}body{background:radial-gradient(ellipse at 79% 3%,rgba(92,71,182,.2),transparent 33%),radial-gradient(ellipse at 5% 38%,rgba(37,87,150,.12),transparent 34%),#090b18;color:var(--ink)}::selection{background:rgba(161,139,255,.38);color:#fff}.page-shell{max-width:1480px}.masthead{border-color:var(--line);background:rgba(9,11,24,.66);backdrop-filter:blur(18px)}.brand-mark{background:linear-gradient(145deg,#9d76ff,#34c9f0);box-shadow:0 8px 28px rgba(99,92,255,.34)}.brand-mark:before{border-color:#fff}.brand-copy small{color:#a6aac5}.language-control{color:var(--muted)}.language-control select,.back-link{border-color:var(--line);background:rgba(23,26,52,.76);color:var(--ink);backdrop-filter:blur(12px)}.back-link:hover{border-color:#a48cff;color:#d8d0ff;background:rgba(120,99,228,.16)}
.hero{padding-top:52px;padding-bottom:46px}.eyebrow{color:#b6a7ff;letter-spacing:1.5px}.eyebrow-dot{background:#5be1d0;box-shadow:0 0 0 4px rgba(91,225,208,.13),0 0 18px rgba(91,225,208,.55)}.hero h1{color:#f4f2ff;text-wrap:balance}.hero-text{color:#b1b4cf}.hero-points{color:#c7c8dd}.hero-points i{background:rgba(91,225,208,.13);color:#75e9db}.hero-visual{isolation:isolate;overflow:hidden;border:1px solid rgba(207,200,255,.24);background:radial-gradient(ellipse at 50% 48%,rgba(108,88,217,.26),transparent 42%),linear-gradient(135deg,#171a39 0%,#11152c 48%,#111e36 100%);box-shadow:0 28px 70px rgba(0,0,0,.38),inset 0 1px rgba(255,255,255,.11)}.hero-visual:before{width:290px;height:290px;right:-48px;top:-120px;border:1px solid rgba(196,184,255,.24);background:radial-gradient(circle at 35% 35%,rgba(187,167,255,.22),rgba(93,115,223,.07) 55%,transparent 70%);box-shadow:inset -25px -20px 55px rgba(107,86,220,.14),0 0 70px rgba(121,94,255,.18)}.hero-visual:after{width:430px;height:230px;left:20%;bottom:-185px;border:1px solid rgba(140,162,255,.2);background:rgba(72,104,200,.1);filter:blur(1px);transform:rotate(-15deg)}.visual-sun{width:125px;height:125px;right:74px;top:30px;background:radial-gradient(circle at 34% 30%,#e2d8ff 0%,#a48cff 22%,#6179e8 56%,rgba(77,113,222,.2) 75%);border:1px solid rgba(255,255,255,.45);box-shadow:inset -12px -14px 22px rgba(35,44,126,.42),0 0 58px rgba(144,117,255,.42),0 0 0 15px rgba(151,131,255,.06)}.visual-play{width:91px;height:91px;padding:4px 0 0 6px;border:1px solid rgba(255,255,255,.72);border-radius:25px;color:#fff;font-size:29px;background:linear-gradient(145deg,rgba(255,255,255,.35),rgba(159,137,255,.36) 42%,rgba(59,197,233,.26));box-shadow:inset 1px 1px 0 rgba(255,255,255,.62),inset -13px -15px 24px rgba(56,58,139,.35),0 20px 44px rgba(60,54,157,.44),0 0 42px rgba(140,120,255,.32);transform:translate(-50%,-50%) rotate(-8deg) rotateY(-13deg);backdrop-filter:blur(10px);animation:glass-float 5.4s ease-in-out infinite}.visual-play:before{content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.22);border-radius:18px;pointer-events:none}.visual-lines{left:12%;right:12%;bottom:48px;height:34px;border-bottom:1px solid rgba(177,190,255,.4);filter:drop-shadow(0 0 8px rgba(133,147,255,.35));transform:rotate(-4deg)}.visual-lines:before,.visual-lines:after{border-color:rgba(177,190,255,.3);border-bottom:0}.visual-card{border-color:rgba(221,222,255,.26);border-radius:14px;background:linear-gradient(145deg,rgba(255,255,255,.14),rgba(132,119,214,.08));color:#e9e8ff;box-shadow:0 12px 30px rgba(0,0,0,.22),inset 0 1px rgba(255,255,255,.14);backdrop-filter:blur(14px)}.visual-card b{color:#c6baff}.visual-card-top{transform:rotate(-3deg)}.visual-card-bottom{transform:rotate(3deg)}.visual-caption{color:rgba(210,214,255,.75);letter-spacing:1.8px}
.workspace-layout{gap:18px}.tool-rail,.tool-stage,.seo-index{border-color:var(--line);background:linear-gradient(145deg,rgba(24,27,53,.9),rgba(15,18,37,.88));box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.045);backdrop-filter:blur(18px)}.tool-rail{padding:19px 15px}.rail-heading h2,.welcome-head h2,.stage-title h2,.seo-index h2{color:#f0efff}.tool-count{background:rgba(160,139,255,.16);color:#d4caff}.search-box{border-color:var(--line);background:rgba(8,10,24,.58);color:#aeb1cb}.search-box input{color:#f0efff}.search-box input::placeholder,.field-control::placeholder{color:#7f849f}.search-box kbd{border-color:var(--line);background:rgba(255,255,255,.05);color:#aeb1cb}.tool-nav{color:#c5c7df}.tool-nav:hover{background:rgba(161,143,255,.1);border-color:rgba(175,158,255,.14);transform:translateX(2px)}.tool-nav[aria-current=true]{background:linear-gradient(100deg,rgba(155,130,255,.22),rgba(91,211,225,.08));border-color:rgba(181,163,255,.29);color:#e9e2ff;box-shadow:inset 3px 0 #a98fff}.tool-nav-icon{background:rgba(255,255,255,.065)}.tool-nav[aria-current=true] .tool-nav-icon{background:rgba(255,255,255,.1)}.tool-nav-copy small{color:#9297b4}.rail-note{background:rgba(7,10,24,.4);color:#a9adc7;border:1px solid rgba(183,190,255,.1)}.shield-icon{color:#9f91ff}.tool-stage{min-height:565px;padding:30px}.welcome-head p,.stage-title p{color:var(--muted)}.workflow-pill{background:rgba(147,133,224,.14);color:#c8c1ef;border:1px solid rgba(183,169,255,.13)}.tool-card{border-color:var(--line);background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.025));box-shadow:0 10px 30px rgba(0,0,0,.12),inset 0 1px rgba(255,255,255,.055);transition:transform .18s,border-color .18s,background .18s,box-shadow .18s}.tool-card:hover{transform:translateY(-3px);border-color:rgba(177,158,255,.44);background:linear-gradient(145deg,rgba(154,132,255,.14),rgba(74,198,221,.055));box-shadow:0 18px 38px rgba(0,0,0,.2),0 0 28px rgba(130,106,255,.1)}.card-icon{background:linear-gradient(145deg,rgba(163,141,255,.23),rgba(65,201,221,.12));border:1px solid rgba(210,205,255,.16)}.tool-card h3{color:#eeedff}.tool-card p{color:#a5a9c4}.card-arrow{color:#c1b5ff}.stage-title{border-bottom-color:var(--line)}.stage-title .eyebrow{color:#b4a5ff}
.tool-panel{border-color:var(--line);background:rgba(8,11,26,.42);box-shadow:inset 0 1px rgba(255,255,255,.035)}.field-label,.field>label{color:#d9daef}.field-control,.field input,.field textarea,.field select,textarea.field-control,select.field-control{border-color:rgba(181,188,255,.2);background:rgba(7,10,24,.72);color:#f1f0ff;box-shadow:inset 0 1px 2px rgba(0,0,0,.18)}.field-control:focus,.field input:focus,.field textarea:focus,.field select:focus{border-color:#a794ff;box-shadow:0 0 0 3px rgba(160,137,255,.18)}.field-hint,.field small{color:#9da2be}.button-primary{border:1px solid rgba(222,214,255,.25);background:linear-gradient(110deg,#9270f5,#6479eb 58%,#44bbd3);color:#fff;box-shadow:0 9px 24px rgba(100,89,215,.28),inset 0 1px rgba(255,255,255,.28)}.button-primary:hover{filter:brightness(1.09);transform:translateY(-1px)}.button-secondary,.text-button{border:1px solid var(--line);background:rgba(255,255,255,.055);color:#d5d5ec}.button-secondary:hover,.text-button:hover{background:rgba(159,139,255,.13);border-color:rgba(178,159,255,.32);color:#fff}.button-danger{border-color:rgba(255,113,140,.26);background:rgba(255,113,140,.1);color:#ff9caf}.upload-zone{border-color:rgba(176,161,255,.3);background:rgba(145,124,255,.055);color:#d9d4f3}.upload-zone:hover{border-color:#a995ff;background:rgba(145,124,255,.1)}.divider{border-color:var(--line)}.status-box,.result-box,.key-note,.api-consent{border-color:rgba(180,188,255,.16);background:rgba(6,10,24,.5);color:#c4c7df}.status-box.is-info{border-color:rgba(93,208,230,.22);background:rgba(55,166,183,.1);color:#a9e8ec}.status-box.is-error{border-color:rgba(255,113,140,.3);background:rgba(255,113,140,.1);color:#ffb5c2}.result-content{color:#e4e4f6}.winner-card{border-color:rgba(187,169,255,.29);background:linear-gradient(140deg,rgba(135,111,228,.16),rgba(57,182,198,.08));color:#f1efff}.winner-label,.winner-meta{color:#b9bdd7}.comment-item,.clip-card,.subtitle-row{border-color:var(--line);background:rgba(255,255,255,.035);color:#e3e4f5}.comment-item p,.clip-card p{color:#a8acc6}.subtitle-heading{color:#9da2be}.subtitle-time{color:#c3b7ff}.video-preview{background:#05060d}.thumb-frame{border-color:var(--line);background:linear-gradient(145deg,#191d39,#0e1226)}.thumb-mobile{border-color:var(--line);background:rgba(255,255,255,.04)}.thumb-mobile p{color:var(--muted)}.meter{background:rgba(255,255,255,.1)}.meter span{background:linear-gradient(90deg,#9a79ff,#43c8d8)}.video-result{border-color:var(--line);background:rgba(255,255,255,.035)}.video-result img{background:#171a31}.video-result h3{color:#f0efff}.video-result p{color:#a6aac5}.article-links a{border-color:var(--line);background:rgba(255,255,255,.04);color:#d3ccff}.article-links a:hover{border-color:rgba(174,156,255,.55);background:rgba(151,131,255,.1);color:#fff}.seo-index p{color:#adb1cb}.site-footer{border-top-color:var(--line);color:#858ba9}.site-footer a{color:#c3baff}.site-footer a:hover{color:#fff}.toast{border:1px solid rgba(214,207,255,.16);background:rgba(24,24,48,.95);color:#f7f5ff;box-shadow:0 18px 48px rgba(0,0,0,.4);backdrop-filter:blur(16px)}.skip-link{background:#a08aff;color:#100e20}.contest-warning{border-color:rgba(255,201,140,.3);background:rgba(205,144,64,.1);color:#f5d9ad}.contest-warning a,.api-consent a,#article .article-links a{color:#d1c5ff}#article>p:not(.contest-warning){color:#aeb2cc!important}#article h1,#article h2{color:#f1efff}#article .field-hint{color:#a6aac5}
body[dir=rtl] .tool-nav[aria-current=true]{box-shadow:inset -3px 0 #a98fff}
@keyframes glass-float{0%,100%{translate:0 0}50%{translate:0 -8px}}
@media(max-width:980px){.hero{padding-top:39px}.tool-stage{padding:24px}}
@media(max-width:720px){.masthead{background:rgba(9,11,24,.8)}.hero{padding-top:29px}.hero-visual{box-shadow:0 18px 48px rgba(0,0,0,.34),inset 0 1px rgba(255,255,255,.1)}.visual-sun{width:84px;height:84px;right:39px;top:18px}.visual-play{width:63px;height:63px;border-radius:20px;font-size:21px}.visual-card{padding:8px 10px;font-size:9px}.visual-lines{bottom:34px}.workspace-layout{gap:12px}.tool-rail{background:linear-gradient(145deg,rgba(24,27,53,.96),rgba(15,18,37,.94))}.tool-stage{background:linear-gradient(145deg,rgba(24,27,53,.94),rgba(15,18,37,.92));padding:19px 15px}.tool-nav[aria-current=true]{box-shadow:inset 0 2px #a98fff}.tool-card:hover{transform:none}.site-footer{color:#959ab5}}
@media(max-width:380px){.hero-visual{height:166px}.visual-card{gap:6px;padding:7px 8px}.visual-card-top{left:9px}.visual-card-bottom{right:9px}.visual-caption{font-size:7px;letter-spacing:1px}.tool-stage{padding:15px 11px}}

/* Match the injected AI Expert app switcher to this page only. */
body[data-app-switcher="youtube"] #site-app-switcher{--switch-bg:rgba(9,11,24,.97);--switch-text:#e8e5ff;--switch-border:rgba(183,190,255,.16);--switch-pill:rgba(24,27,54,.86);--switch-pill-border:rgba(183,190,255,.19);--switch-pill-hover:rgba(149,128,255,.17);--switch-active:#987cff;--switch-active-text:#fff;background:var(--switch-bg);backdrop-filter:blur(16px);box-shadow:0 10px 30px rgba(0,0,0,.22)}body[data-app-switcher="youtube"] #site-app-switcher .site-app-switcher-link{border-color:var(--switch-pill-border);background:var(--switch-pill);color:var(--switch-text)}body[data-app-switcher="youtube"] #site-app-switcher .site-app-switcher-link:hover,body[data-app-switcher="youtube"] #site-app-switcher .site-app-switcher-link:focus-visible{border-color:#74dfea;background:rgba(67,172,195,.16);color:#b7fbf5}body[data-app-switcher="youtube"] #site-app-switcher .site-app-switcher-link.is-current{border-color:#b6a2ff;background:linear-gradient(110deg,#8e70f2,#6478e9 64%,#38a8c9);color:#fff;box-shadow:0 5px 17px rgba(109,82,241,.32),inset 0 1px rgba(255,255,255,.25)}
@media(max-width:380px){.masthead{gap:7px}.brand{min-width:0;gap:7px}.brand-mark{width:32px;height:32px;border-radius:11px}.brand-copy strong{font-size:13px}.brand-copy small{font-size:9px}.header-actions{flex:none;gap:4px}.language-control select{max-width:98px;padding-inline:8px}.back-link{min-height:32px;padding-inline:6px;font-size:8px}}
@media(max-width:380px){.welcome-head{display:block}.workflow-pill{display:inline-block;max-width:100%;margin-top:8px;white-space:normal}}