*{box-sizing:border-box}
:root{
    color-scheme:dark;
    --bg:#07090e;
    --card:rgba(18,22,31,.86);
    --card2:#111722;
    --line:#263043;
    --text:#f7f9fc;
    --muted:#9aa7ba;
    --accent:#2f80ff;
    --accent2:#7d4dff;
    --success:#20c875;
    --danger:#ff5364;
}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{overflow-x:hidden}
button,input,select{font:inherit}
button,a{ -webkit-tap-highlight-color:transparent }
.bg-orb{position:fixed;border-radius:999px;filter:blur(110px);opacity:.28;pointer-events:none}
.orb-1{width:340px;height:340px;background:#1f6bff;top:-120px;left:-110px}
.orb-2{width:390px;height:390px;background:#783eff;right:-180px;bottom:-150px}
.page{min-height:100vh;display:flex;justify-content:center;padding:48px 18px 70px}
.hero{width:min(920px,100%)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px;margin-bottom:34px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 12px 28px rgba(47,128,255,.25)}
h1{font-size:clamp(34px,7vw,68px);line-height:.98;letter-spacing:-2.5px;margin:0;max-width:820px}
h1 span{background:linear-gradient(100deg,#5ca0ff,#9a72ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(16px,2.5vw,20px);color:var(--muted);margin:20px 0 30px;max-width:720px}
.card{border:1px solid rgba(255,255,255,.09);background:var(--card);backdrop-filter:blur(18px);border-radius:22px;box-shadow:0 24px 80px rgba(0,0,0,.28)}
.search-card{padding:22px}
label{display:block;font-size:13px;font-weight:800;color:#cfd6e2;margin-bottom:9px}
.input-row{display:grid;grid-template-columns:1fr auto;gap:10px}
input[type=url],select{width:100%;border:1px solid var(--line);background:#0b1019;color:#fff;border-radius:14px;outline:none;transition:.2s}
input[type=url]{height:54px;padding:0 16px}
select{height:48px;padding:0 12px}
input[type=url]:focus,select:focus{border-color:#4e91ff;box-shadow:0 0 0 4px rgba(78,145,255,.1)}
.btn{border:0;text-decoration:none;color:white;border-radius:14px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 21px;transition:transform .15s,opacity .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 12px 30px rgba(47,128,255,.22)}
.success{background:linear-gradient(135deg,#16b767,#2bd789)}
.wide{width:100%;margin-top:16px}
.video-card{margin-top:18px;padding:18px;display:grid;grid-template-columns:minmax(260px,42%) 1fr;gap:22px}
.thumb-wrap{position:relative;overflow:hidden;border-radius:16px;aspect-ratio:16/9;background:#090c12;align-self:start}
.thumb-wrap img{width:100%;height:100%;display:block;object-fit:cover}
.duration{position:absolute;right:9px;bottom:9px;background:rgba(0,0,0,.8);padding:5px 8px;border-radius:8px;font-size:12px;font-weight:800}
.video-info{padding:6px 4px}
.eyebrow{color:#6aa3ff;font-size:11px;letter-spacing:1.2px;font-weight:900}
.video-info h2{font-size:clamp(19px,3vw,28px);line-height:1.16;margin:8px 0 7px}
.muted{color:var(--muted);margin:0 0 18px}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.confirm{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-weight:600;line-height:1.4;margin:17px 0 0}
.confirm input{margin-top:3px;accent-color:var(--accent);width:17px;height:17px;flex:0 0 auto}
.progress-card{padding:24px;margin-top:18px}
.progress-head{display:flex;justify-content:space-between;align-items:flex-end;gap:15px}
.progress-head h3{margin:5px 0 0;font-size:21px}
#percent{font-size:28px}
.bar{height:12px;background:#080c13;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:20px 0 11px}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:inherit;transition:width .35s}
.stats{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}
.ready{margin-top:20px;border:1px solid rgba(32,200,117,.22);background:rgba(32,200,117,.08);border-radius:16px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.ready p{margin:5px 0 0;color:var(--muted);font-size:13px}
.notice{margin:20px 4px 0;color:#7f8ba0;font-size:12px;line-height:1.55}
.notice strong{color:#a9b4c4}
.message{margin-top:12px;border-radius:12px;padding:11px 13px;font-size:13px}
.message.error{background:rgba(255,83,100,.1);border:1px solid rgba(255,83,100,.25);color:#ff929e}
.message.ok{background:rgba(32,200,117,.1);border:1px solid rgba(32,200,117,.25);color:#7be7ae}
.hidden{display:none!important}
.spinner{width:18px;height:18px;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)}}
@media(max-width:720px){
    .page{padding:28px 13px 45px}
    .brand{margin-bottom:26px}
    h1{letter-spacing:-1.6px}
    .search-card{padding:14px}
    .input-row{grid-template-columns:1fr}
    .input-row .btn{width:100%}
    .video-card{grid-template-columns:1fr;padding:13px;gap:15px}
    .video-info{padding:3px}
    .controls{grid-template-columns:1fr}
    .progress-card{padding:17px}
    .stats{flex-direction:column;gap:5px}
    .ready{align-items:stretch;flex-direction:column}
    .ready .btn{width:100%}
}