:root{
  --bg:#050a16;
  --panel:#0a1428;
  --panel2:#0e1b35;
  --line:#203151;
  --text:#f5f8ff;
  --muted:#9fb0ce;
  --blue:#19a9ff;
  --cyan:#27e7ff;
  --violet:#8068ff;
  --danger:#ff4f6b;
  --success:#19c78f;
  --shadow:0 20px 60px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top right,rgba(60,74,255,.14),transparent 30%),radial-gradient(circle at left 25%,rgba(0,197,255,.1),transparent 24%),var(--bg);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:auto}
.nav{position:sticky;top:0;z-index:30;background:rgba(5,10,22,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(44,67,108,.72)}
.nav-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-lockup{display:inline-flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#0c63ef,#25dcff 60%,#815eff);font-size:30px;font-weight:950;font-style:italic;letter-spacing:-.08em;color:white;box-shadow:0 10px 30px rgba(24,170,255,.25)}
.brand-copy{display:grid;grid-template-columns:auto auto;column-gap:5px;align-items:baseline;line-height:1}.brand-copy strong{font-size:21px;font-weight:900;color:white}.brand-copy b{font-size:21px;font-weight:450;color:white}.brand-copy small{grid-column:1/-1;margin-top:6px;color:#c0cee5;font-size:9px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.btn{border:0;border-radius:13px;padding:12px 17px;font-weight:800;cursor:pointer;transition:.18s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(90deg,var(--blue),var(--violet));color:white;box-shadow:0 10px 25px rgba(39,111,255,.2)}.btn-outline{background:rgba(10,19,37,.55);color:#eef5ff;border:1px solid #2a4675}.btn-success{background:linear-gradient(90deg,#13ad7d,#22d6a0);color:#031810}.btn-danger{background:linear-gradient(90deg,#ff405e,#ff6c7d);color:white}.btn-small{padding:8px 11px;border-radius:10px;font-size:12px}
.eyebrow{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.18em;color:#57d7ff}.student-hero{padding:54px 0 72px}.student-heading{text-align:center;margin-bottom:26px}.student-heading h1{font-size:clamp(38px,7vw,72px);letter-spacing:-.055em;margin:8px 0 8px}.student-heading p{margin:0;color:var(--muted);font-size:17px}
.join-box{max-width:760px;margin:0 auto 12px;display:flex;gap:10px}.join-box input{flex:1;border:1px solid var(--line);background:#071020;color:white;border-radius:13px;padding:13px 15px;outline:none}.join-box input:focus{border-color:#36b9ff}.notice{max-width:900px;margin:0 auto;padding:12px 14px;border-radius:12px;border:1px solid rgba(62,182,255,.24);background:rgba(35,129,197,.10);color:#b9daf3;font-size:13px;line-height:1.5}
.student-room{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;margin-top:20px;align-items:start}.card{border:1px solid var(--line);background:rgba(8,16,31,.9);border-radius:22px;box-shadow:var(--shadow);padding:15px}.stage-card{min-width:0}.video-shell{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#02050b;border:1px solid #1d2d49}.video-shell video{width:100%;height:100%;object-fit:contain;background:#02050b;display:block}.video-poster{position:absolute;inset:0;z-index:3;display:grid;place-items:center;text-align:center;padding:24px;background:radial-gradient(circle at center,rgba(40,80,160,.16),transparent 45%),#050a16}.video-poster.hidden{display:none}.css-poster-logo{width:84px;height:84px;border-radius:24px;background:linear-gradient(145deg,#0b5ee9,#25ddff 60%,#805fff);display:grid;place-items:center;margin:0 auto 18px;box-shadow:0 18px 40px rgba(20,142,255,.18)}.css-poster-logo span{font-size:52px;font-weight:950;font-style:italic;letter-spacing:-.1em}.poster-title{font-size:22px;font-weight:900}.poster-sub{margin-top:7px;color:var(--muted);font-size:14px}.live-chip{position:absolute;left:14px;top:14px;z-index:5;display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:9px;background:rgba(255,51,83,.94);font-size:12px;font-weight:900;box-shadow:0 6px 20px rgba(255,57,86,.24)}.live-chip::before{content:'';width:7px;height:7px;border-radius:50%;background:white;animation:pulse 1.3s infinite}.live-chip.offline{background:rgba(77,91,118,.78);box-shadow:none}.live-chip.offline::before{animation:none}@keyframes pulse{50%{opacity:.3}}
.video-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:16px 3px 3px}.video-title{font-size:17px;font-weight:850}.video-subtitle{color:var(--muted);font-size:13px;margin-top:5px}.viewer-count{white-space:nowrap;color:#b8cae8;font-size:13px}
.participant-panel{margin-top:14px;border-top:1px solid var(--line);padding-top:14px;display:grid;grid-template-columns:150px minmax(0,1fr);gap:14px;align-items:center}.self-preview-wrap{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#030812;border:1px solid var(--line)}.self-preview-wrap video{width:100%;height:100%;object-fit:contain;background:#030812}.self-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:12px;color:#8fa3c4;font-size:11px}.self-label{position:absolute;left:8px;bottom:8px;background:rgba(3,7,15,.78);border:1px solid rgba(255,255,255,.1);padding:4px 7px;border-radius:8px;font-size:10px;font-weight:800}.participant-controls{display:flex;flex-wrap:wrap;gap:9px}.control-pill,.mini-btn{border:1px solid var(--line);background:#0b1730;color:#dce8fa;border-radius:11px;padding:10px 12px;font-weight:750;cursor:pointer}.control-pill.active{border-color:rgba(39,220,255,.52);background:rgba(27,133,190,.21)}.control-pill.raised{border-color:rgba(255,205,62,.5);background:rgba(255,190,31,.13);color:#ffe27a}.teacher-request{grid-column:1/-1;display:flex;align-items:center;gap:9px;flex-wrap:wrap;border:1px solid rgba(69,205,255,.3);background:rgba(24,116,174,.15);padding:11px;border-radius:12px;color:#d9f5ff;font-size:13px}
.chat{display:flex;flex-direction:column;min-height:420px}.chat h3{margin:4px 2px 14px}.chat-list{flex:1;min-height:250px;max-height:480px;overflow-y:auto;border:1px solid var(--line);background:rgba(4,9,19,.45);border-radius:14px;padding:12px}.message{margin-bottom:12px}.message .who{font-size:12px;font-weight:850;color:#6fdfff}.message.teacher .who{color:#c197ff}.message .text{margin-top:4px;color:#dce5f5;font-size:13px;line-height:1.45;overflow-wrap:anywhere}.chat-form{display:flex;gap:8px;margin-top:11px}.chat-form input{flex:1;min-width:0;border:1px solid var(--line);background:#071020;color:white;border-radius:12px;padding:12px;outline:none}
.footer{padding:34px 0 42px;border-top:1px solid var(--line);color:#8497b7;font-size:13px;text-align:center}.footer-brand{display:flex;flex-direction:column;align-items:center;gap:12px}.footer-lockup{transform:scale(.92)}.admin-link{margin-top:2px;color:#6f82a5;font-size:12px;text-decoration:underline;text-underline-offset:4px}.admin-link:hover{color:#dce7fb}

/* Studio */
.studio-page{min-height:100vh}.studio-layout{width:min(1520px,calc(100% - 24px));margin:14px auto;display:grid;grid-template-columns:220px minmax(0,1fr) 360px;gap:14px}.sidebar,.studio-main,.studio-side{border:1px solid var(--line);background:rgba(8,16,31,.9);border-radius:20px;box-shadow:var(--shadow)}.sidebar{padding:18px 12px}.studio-brand{padding:3px 6px 22px}.studio-brand .brand-mark{width:42px;height:42px;font-size:26px}.studio-brand .brand-copy strong,.studio-brand .brand-copy b{font-size:18px}.studio-brand .brand-copy small{font-size:7px}.side-nav{display:grid;gap:6px}.side-nav button{text-align:left;border:0;color:#aebedb;padding:12px;border-radius:11px;background:transparent}.side-nav button.active,.side-nav button:hover{color:white;background:linear-gradient(90deg,rgba(46,168,255,.16),rgba(138,92,255,.08))}.studio-main{padding:18px}.studio-side{padding:16px}.studio-side>section+section{margin-top:16px}.studio-side h3{margin:4px 0 12px}.studio-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:15px}.studio-top h1{font-size:27px;margin:0;letter-spacing:-.03em}.status{display:inline-flex;align-items:center;gap:8px;padding:8px 11px;border-radius:999px;font-size:12px;font-weight:850;background:rgba(75,91,119,.15);border:1px solid var(--line);color:#aabbd8}.status.live{color:#fff;background:rgba(255,61,91,.16);border-color:rgba(255,79,101,.35)}.preview-wrap{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#02050b}.preview-wrap canvas{width:100%;height:100%;display:block;background:#02050b}.preview-empty{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--muted);pointer-events:none}.preview-empty strong{font-size:22px;color:white}.preview-empty.hidden{display:none}.controls{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}.control-btn{min-height:70px;border:1px solid var(--line);color:#dfe9fa;border-radius:13px;background:#0c172c;font-weight:750}.control-btn span{display:block;font-size:19px;margin-bottom:5px}.control-btn.active{border-color:rgba(53,226,255,.5);background:rgba(31,127,190,.2);color:white}.broadcast-row{display:flex;gap:10px;margin-top:12px}.broadcast-row .btn{flex:1;min-height:48px}.form-group{margin-bottom:13px}.label{display:block;color:#9fb1cf;font-size:12px;font-weight:750;margin:0 0 6px}.field{width:100%;border:1px solid var(--line);background:#071020;color:white;border-radius:11px;padding:11px 12px;outline:none}.field:focus{border-color:rgba(57,181,255,.66)}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line);color:#c5d1e5;font-size:13px}.switch{appearance:none;width:42px;height:24px;border-radius:999px;background:#27334b;position:relative;transition:.2s}.switch::after{content:'';position:absolute;width:18px;height:18px;border-radius:50%;left:3px;top:3px;background:white;transition:.2s}.switch:checked{background:linear-gradient(90deg,var(--blue),var(--violet))}.switch:checked::after{transform:translateX(18px)}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:12px 0 16px}.metric{padding:13px;border:1px solid var(--line);background:#091326;border-radius:12px}.metric strong{display:block;font-size:20px}.metric span{color:var(--muted);font-size:11px}.recording-box{border:1px solid var(--line);background:#091326;border-radius:13px;padding:13px;margin-top:12px}.recording-state{color:#aabbd8;font-size:13px}.recording-state.recording{color:#ff8292}
.participants-section{border-top:1px solid var(--line);padding-top:14px}.participants-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.participants-head h3{margin:0}.participants-actions{display:flex;gap:6px;flex-wrap:wrap}.mini-btn{font-size:11px;padding:7px 9px}.student-roster{display:grid;gap:9px;max-height:410px;overflow:auto}.empty-roster{padding:18px;border:1px dashed #2b3f64;border-radius:12px;color:#7f93b5;text-align:center;font-size:12px}.student-card{display:grid;grid-template-columns:88px minmax(0,1fr);gap:10px;padding:9px;border:1px solid var(--line);background:#081326;border-radius:13px}.student-card.hand-up{border-color:rgba(255,206,72,.5);box-shadow:inset 3px 0 rgba(255,206,72,.65)}.student-media{position:relative;aspect-ratio:16/9;border:1px solid #1d3153;border-radius:10px;overflow:hidden;background:#02060c}.student-media video{width:100%;height:100%;object-fit:contain;background:#02060c}.student-media-fallback{position:absolute;inset:0;display:grid;place-items:center;font-size:26px;font-weight:900;color:#74dfff;background:linear-gradient(145deg,#0b1830,#0b2544)}.student-name-line{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}.student-name-line strong{font-size:13px}.hand-status{font-size:10px;color:#ffdf74}.student-state{display:flex;gap:8px;flex-wrap:wrap;color:#91a5c4;font-size:10px;margin:5px 0 7px}.student-actions{display:flex;gap:6px;flex-wrap:wrap}.compact-chat{min-height:320px}.compact-chat .chat-list{max-height:270px;min-height:190px}.login-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:rgba(2,5,12,.9);backdrop-filter:blur(12px)}.login-overlay.hidden{display:none}.login-card{width:min(430px,100%);border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,#0d1830,#071020);box-shadow:var(--shadow);padding:28px}.login-brand{margin-bottom:20px}.login-card h2{margin:0 0 6px;font-size:25px}.login-card p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.5}.error{color:#ff8fa0;font-size:13px;min-height:20px;margin-top:8px}.hidden-video{position:fixed;width:1px;height:1px;opacity:0;pointer-events:none}

@media(max-width:1180px){.studio-layout{grid-template-columns:190px minmax(0,1fr)}.studio-side{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.studio-side>section{margin-top:0!important}.participants-section{border-top:0;padding-top:0}.student-roster{max-height:360px}}
@media(max-width:860px){.student-room{grid-template-columns:1fr}.chat{min-height:330px}.studio-layout{display:block;width:min(100% - 16px,920px)}.sidebar,.studio-main{margin-bottom:10px}.side-nav{display:flex;overflow-x:auto}.side-nav button{white-space:nowrap}.studio-side{display:block}.studio-side>section{margin-top:16px!important}.controls{grid-template-columns:repeat(2,1fr)}.control-btn:last-child{grid-column:1/-1}.participant-panel{grid-template-columns:120px minmax(0,1fr)}}
@media(max-width:560px){.container{width:min(100% - 20px,1180px)}.nav-inner{min-height:78px}.brand-mark{width:42px;height:42px;font-size:26px}.brand-copy strong,.brand-copy b{font-size:17px}.brand-copy small{font-size:7px}.student-hero{padding-top:32px}.student-heading h1{font-size:46px}.join-box{flex-direction:column}.video-meta{display:block}.viewer-count{margin-top:8px}.participant-panel{display:block}.self-preview-wrap{width:150px;margin-bottom:11px}.participant-controls{display:grid;grid-template-columns:1fr}.teacher-request{display:flex;margin-top:10px}.studio-top{align-items:flex-start}.broadcast-row{flex-direction:column}.login-card{padding:22px}.participants-head{align-items:flex-start;flex-direction:column}.student-card{grid-template-columns:78px minmax(0,1fr)}}

/* Tratamiento de logo EN-CUE */
.brand-lockup{display:inline-flex;align-items:center;min-width:0}
.brand-logo-img{display:block;width:min(360px,42vw);height:auto;max-height:82px;object-fit:contain;filter:drop-shadow(0 5px 16px rgba(0,0,0,.28));}
.nav-inner{min-height:112px}
.nav .brand-logo-img{width:min(390px,48vw);max-height:92px}
.hero-logo{display:block;width:min(620px,92vw);height:auto;margin:0 auto 22px;filter:drop-shadow(0 12px 30px rgba(0,0,0,.34));}
.footer-lockup{transform:none}.footer-lockup .brand-logo-img{width:min(420px,86vw);max-height:none}
.login-brand{display:flex;justify-content:center}.login-brand .brand-logo-img{width:min(360px,82vw);max-height:none}
.studio-brand{padding:4px 4px 22px;display:flex;justify-content:center}.studio-brand .brand-logo-img{width:100%;max-width:205px;max-height:none}
@media(max-width:860px){.nav-inner{min-height:96px}.nav .brand-logo-img{width:min(330px,66vw);max-height:78px}}
@media(max-width:560px){.nav-inner{min-height:88px}.nav .brand-logo-img{width:min(255px,68vw);max-height:70px}.hero-logo{width:min(430px,96vw);margin-bottom:18px}.student-hero{padding-top:22px}.studio-brand .brand-logo-img{max-width:260px}.login-brand .brand-logo-img{width:min(320px,88vw)}}

/* =========================================================
   TEMA BASE DE LA PLATAFORMA
   Fondo blanco + azul + negro
   ========================================================= */
:root{
  --bg:#ffffff;
  --panel:#ffffff;
  --panel2:#f5f9ff;
  --line:#d9e5f4;
  --text:#07152f;
  --muted:#60718b;
  --blue:#0878f9;
  --cyan:#16b8f4;
  --violet:#0b4fb3;
  --success:#0878f9;
  --shadow:0 16px 44px rgba(8,46,92,.10);
}
body{
  background:
    radial-gradient(circle at 92% 2%,rgba(8,120,249,.08),transparent 26%),
    radial-gradient(circle at 8% 18%,rgba(22,184,244,.06),transparent 22%),
    #fff;
  color:var(--text);
}
.nav{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid #dce8f6;
  box-shadow:0 7px 24px rgba(11,54,105,.05);
}
.brand-logo-img,
.hero-logo{filter:drop-shadow(0 7px 18px rgba(8,53,111,.13));}
.btn-primary{background:linear-gradient(90deg,#0878f9,#0b4fb3);color:#fff;box-shadow:0 10px 24px rgba(8,120,249,.18)}
.btn-outline{background:#fff;color:#07152f;border:1px solid #a9c6e8}
.btn-outline:hover{background:#edf6ff;border-color:#0878f9;color:#075ec2}
.btn-success{background:linear-gradient(90deg,#0878f9,#0b4fb3);color:#fff}
.btn-danger{background:#07152f;color:#fff}
.eyebrow{color:#0878f9}
.student-heading h1{color:#07152f}
.student-heading p{color:#60718b}
.join-box input,
.chat-form input,
.field{
  background:#fff;
  color:#07152f;
  border-color:#c9daee;
  box-shadow:inset 0 1px 2px rgba(7,21,47,.025);
}
.join-box input::placeholder,
.chat-form input::placeholder,
.field::placeholder{color:#8a9ab0}
.join-box input:focus,
.chat-form input:focus,
.field:focus{border-color:#0878f9;box-shadow:0 0 0 3px rgba(8,120,249,.10)}
.notice{
  border-color:#b7d7f8;
  background:#eef7ff;
  color:#244d77;
}
.card,
.sidebar,
.studio-main,
.studio-side{
  background:#fff;
  border-color:#d9e5f4;
  box-shadow:var(--shadow);
}
.video-shell,
.self-preview-wrap,
.student-media,
.preview-wrap{
  background:#07111f;
  border-color:#142a47;
}
.video-shell video,
.self-preview-wrap video,
.student-media video,
.preview-wrap canvas{background:#07111f}
.video-poster{
  background:radial-gradient(circle at center,rgba(8,120,249,.16),transparent 50%),#07152f;
  color:#fff;
}
.poster-sub{color:#b8c7dc}
.video-title{color:#07152f}
.video-subtitle,.viewer-count{color:#60718b}
.participant-panel{border-color:#d9e5f4}
.self-placeholder{color:#c0cee1}
.self-label{background:rgba(7,21,47,.88);color:#fff;border-color:rgba(255,255,255,.18)}
.control-pill,.mini-btn{
  background:#fff;
  color:#07152f;
  border-color:#bcd1e8;
}
.control-pill:hover,.mini-btn:hover{background:#eef7ff;border-color:#0878f9;color:#075ec2}
.control-pill.active{border-color:#0878f9;background:#e9f4ff;color:#075ec2}
.control-pill.raised{border-color:#0878f9;background:#dff1ff;color:#075ec2}
.teacher-request{border-color:#a8d3fb;background:#edf7ff;color:#174a79}
.chat h3{color:#07152f}
.chat-list{background:#f7faff;border-color:#d9e5f4}
.message .who{color:#0878f9}.message.teacher .who{color:#07152f}
.message .text{color:#223651}
.footer{border-color:#d9e5f4;color:#71819a;background:#fff}
.admin-link{color:#527196}.admin-link:hover{color:#0878f9}

/* Panel docente */
.side-nav button{color:#526680}
.side-nav button.active,.side-nav button:hover{color:#07152f;background:#eaf4ff}
.studio-top h1,.studio-side h3{color:#07152f}
.status{background:#f2f6fb;border-color:#d3e0ef;color:#4e617b}
.status.live{color:#fff;background:#07152f;border-color:#07152f}
.preview-empty{color:#a9bad0}.preview-empty strong{color:#fff}
.control-btn{background:#fff;color:#07152f;border-color:#bfd2e8}
.control-btn:hover{background:#f0f7ff;border-color:#0878f9}
.control-btn.active{border-color:#0878f9;background:#e8f3ff;color:#075ec2}
.label{color:#50647e}
.switch-row{border-color:#d9e5f4;color:#263a55}
.switch{background:#cbd8e8}.switch:checked{background:linear-gradient(90deg,#0878f9,#0b4fb3)}
.metric,.recording-box{background:#f6f9fd;border-color:#d9e5f4}
.metric strong{color:#07152f}.metric span{color:#65758d}.recording-state{color:#526680}
.participants-section{border-color:#d9e5f4}
.empty-roster{border-color:#b9cee6;color:#7186a2;background:#f8fbff}
.student-card{background:#f9fbfe;border-color:#d9e5f4}
.student-card.hand-up{border-color:#0878f9;box-shadow:inset 3px 0 #0878f9}
.student-media-fallback{color:#fff;background:linear-gradient(145deg,#07152f,#0b4f9f)}
.student-name-line strong{color:#07152f}.hand-status{color:#0878f9}.student-state{color:#687b95}
.login-overlay{background:rgba(244,248,253,.94)}
.login-card{background:#fff;border-color:#cfe0f2;box-shadow:0 24px 70px rgba(7,50,100,.15)}
.login-card h2{color:#07152f}.login-card p{color:#60718b}
.error{color:#c32d46}

/* Logo aún más protagonista sobre el tema claro */
.hero-logo{width:min(700px,94vw);margin-bottom:24px}
.nav .brand-logo-img{width:min(430px,52vw)}
@media(max-width:560px){
  .hero-logo{width:min(470px,97vw)}
  .nav .brand-logo-img{width:min(280px,72vw)}
}
\n\n/* =========================================================\n   EN-CUE · AULA ONLINE — TEMA OFICIAL NEGRO / ORO / MARFIL\n   ========================================================= */\n:root{\n  --bg:#0b0908;\n  --panel:#14100c;\n  --panel2:#1a140e;\n  --line:#3b2c1b;\n  --text:#f7eee2;\n  --muted:#b9aa97;\n  --blue:#c99642;\n  --cyan:#f0cb78;\n  --violet:#8d5b19;\n  --danger:#c95b55;\n  --success:#d5a64f;\n  --gold:#c99642;\n  --gold2:#f0cb78;\n  --shadow:0 22px 70px rgba(0,0,0,.34);\n}\nbody{\n  background:\n    radial-gradient(circle at 88% 4%,rgba(201,150,66,.16),transparent 27%),\n    radial-gradient(circle at 8% 22%,rgba(240,203,120,.08),transparent 20%),\n    linear-gradient(180deg,#0b0908,#100d0a);\n  color:var(--text);\n}\n.nav{background:rgba(10,9,8,.93);border-bottom:1px solid rgba(240,203,120,.14);box-shadow:0 8px 28px rgba(0,0,0,.18)}\n.brand-logo-img,.hero-logo{filter:none;border:1px solid rgba(240,203,120,.22);border-radius:16px;box-shadow:0 12px 34px rgba(0,0,0,.28)}\n.nav .brand-logo-img{width:min(245px,38vw);max-height:82px;object-fit:cover}\n.hero-logo{width:min(310px,78vw);max-height:250px;object-fit:cover;margin-bottom:22px}\n.poster-logo-img{display:block;width:min(250px,65%);max-height:170px;object-fit:cover;margin:0 auto 18px;border-radius:18px;border:1px solid rgba(240,203,120,.25);box-shadow:0 16px 35px rgba(0,0,0,.30)}\n.footer-lockup .brand-logo-img{width:min(260px,76vw);max-height:190px;object-fit:cover}\n.login-brand .brand-logo-img{width:min(270px,76vw);max-height:180px;object-fit:cover}\n.studio-brand .brand-logo-img{width:100%;max-width:185px;max-height:140px;object-fit:cover}\n.btn-primary,.btn-success{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1d1408;box-shadow:0 10px 26px rgba(201,150,66,.20)}\n.btn-primary:hover,.btn-success:hover{filter:brightness(1.06)}\n.btn-outline{background:rgba(255,255,255,.025);color:#f6ead8;border:1px solid rgba(240,203,120,.38)}\n.btn-outline:hover{background:rgba(201,150,66,.10);border-color:var(--gold2);color:#fff2d7}\n.btn-danger{background:linear-gradient(90deg,#9e3f3f,#c85a50);color:#fff}\n.eyebrow{color:var(--gold2)}\n.student-heading h1,.video-title,.chat h3,.studio-top h1,.studio-side h3,.student-name-line strong,.metric strong,.login-card h2{color:#f8ead6}\n.student-heading p,.poster-sub,.video-subtitle,.viewer-count,.label,.student-state,.metric span,.recording-state,.login-card p{color:var(--muted)}\n.join-box input,.chat-form input,.field{background:#100d0a;color:#f7eee2;border-color:#4a3823;box-shadow:inset 0 1px 2px rgba(0,0,0,.18)}\n.join-box input::placeholder,.chat-form input::placeholder,.field::placeholder{color:#8f8171}\n.join-box input:focus,.chat-form input:focus,.field:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,150,66,.12)}\n.notice{border-color:rgba(240,203,120,.24);background:rgba(201,150,66,.08);color:#dec9aa}\n.card,.sidebar,.studio-main,.studio-side{background:rgba(20,16,12,.96);border-color:rgba(240,203,120,.16);box-shadow:var(--shadow)}\n.video-shell,.self-preview-wrap,.student-media,.preview-wrap{background:#050504;border-color:#352718}\n.video-shell video,.self-preview-wrap video,.student-media video,.preview-wrap canvas{background:#050504}\n.video-poster{background:radial-gradient(circle at center,rgba(201,150,66,.14),transparent 48%),#0b0908;color:#fff}\n.participant-panel,.participants-section{border-color:rgba(240,203,120,.14)}\n.self-label{background:rgba(10,9,8,.90);color:#f7eee2;border-color:rgba(240,203,120,.18)}\n.control-pill,.mini-btn,.control-btn{background:#100d0a;color:#eadbc7;border-color:#4a3823}\n.control-pill:hover,.mini-btn:hover,.control-btn:hover{background:#1d160f;border-color:var(--gold);color:#fff1d5}\n.control-pill.active,.control-btn.active{border-color:var(--gold2);background:rgba(201,150,66,.13);color:var(--gold2)}\n.control-pill.raised{border-color:var(--gold2);background:rgba(201,150,66,.16);color:var(--gold2)}\n.teacher-request{border-color:rgba(240,203,120,.34);background:rgba(201,150,66,.10);color:#ead4b5}\n.chat-list{background:#0e0b08;border-color:#3a2b1b}\n.message .who{color:var(--gold2)}\n.message.teacher .who{color:#f7eee2}.message .text{color:#d9c9b6}\n.footer{border-color:rgba(240,203,120,.14);color:#9e8f7e;background:#080706}\n.admin-link{color:#cbb58f}.admin-link:hover{color:var(--gold2)}\n.side-nav button{color:#ad9d8a}\n.side-nav button.active,.side-nav button:hover{color:#fff0d4;background:rgba(201,150,66,.12)}\n.status{background:#17120e;border-color:#4a3823;color:#bbaa96}\n.status.live{color:#201506;background:linear-gradient(135deg,var(--gold2),var(--gold));border-color:var(--gold)}\n.metric,.recording-box{background:#100d0a;border-color:#3b2c1b}\n.switch-row{border-color:#3b2c1b;color:#d7c7b3}.switch{background:#554839}.switch:checked{background:linear-gradient(90deg,var(--gold),var(--gold2))}\n.empty-roster{border-color:#4b3823;color:#9d8d7a;background:#100d0a}\n.student-card{background:#100d0a;border-color:#3b2c1b}\n.student-card.hand-up{border-color:var(--gold2);box-shadow:inset 3px 0 var(--gold2)}\n.student-media-fallback{color:#201506;background:linear-gradient(145deg,#7d561e,#edc36f)}\n.hand-status{color:var(--gold2)}\n.login-overlay{background:rgba(5,5,4,.92)}\n.login-card{background:linear-gradient(180deg,#17120e,#0d0a08);border-color:#4a3823;box-shadow:0 24px 70px rgba(0,0,0,.45)}\n.error{color:#e88585}\n.live-chip{background:#b74a43}.live-chip.offline{background:#4d443a}\n.student-heading{max-width:800px;margin-inline:auto}\n.student-hero{padding-top:42px}\n@media(max-width:560px){\n  .nav .brand-logo-img{width:min(190px,58vw);max-height:70px}\n  .hero-logo{width:min(250px,78vw);max-height:190px}\n  .student-heading h1{font-size:42px}\n}\n