:root{
  --dark:#0a0a0a;--dark-2:#121212;--dark-3:#1c1c1c;--dark-4:#262626;
  --border:rgba(255,255,255,.08);--text:#e8e8e8;--muted:#999;
  --orange:#ff6b00;--orange-light:#ff8c38;--orange-glow:rgba(255,107,0,.28);
  --ok:#2ecc71;--err:#ff5f5f;--radius:14px;
  --font-body:'Inter',system-ui,sans-serif;--font-display:'DM Sans',system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--dark);color:var(--text);font-family:var(--font-body);font-size:15px;line-height:1.5}
body{min-height:100vh;display:flex;flex-direction:column;background:
  radial-gradient(900px 500px at 50% -10%,rgba(255,107,0,.14),transparent 60%),var(--dark)}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);margin:0;line-height:1.15}
.muted{color:var(--muted)}
[hidden]{display:none!important}
img{max-width:100%}

/* topo */
.top{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--border);
  background:rgba(10,10,10,.7);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:28px}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.02em;padding-left:14px;border-left:1px solid var(--border)}
.brand-name b{color:var(--orange);font-weight:800}
.top-right{display:flex;align-items:center;gap:12px}
.pill{font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:99px;padding:4px 10px}
.pill:empty{display:none}

main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:40px 20px 60px}

/* botões */
button{font:inherit;cursor:pointer;border:0;color:inherit;background:none}
.btn-primary{background:var(--orange);color:#fff;font-weight:600;padding:12px 22px;border-radius:10px;transition:.15s;
  box-shadow:0 6px 24px var(--orange-glow)}
.btn-primary:hover{background:var(--orange-light)}
.btn-primary:disabled{opacity:.6;cursor:wait;box-shadow:none}
.btn-ghost{border:1px solid var(--border);padding:9px 14px;border-radius:10px;color:var(--muted)}
.btn-ghost:hover{color:var(--text);border-color:rgba(255,255,255,.2)}

/* hero */
.hero{text-align:center;margin-bottom:28px}
.hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.hero .hl{color:var(--orange)}
.hero p{max-width:600px;margin:0 auto 26px}
.urlbar{display:flex;align-items:center;gap:8px;background:var(--dark-2);border:1px solid var(--border);border-radius:16px;
  padding:8px 8px 8px 16px;box-shadow:0 20px 60px rgba(0,0,0,.4);transition:.15s}
.urlbar:focus-within{border-color:rgba(255,107,0,.6);box-shadow:0 0 0 4px var(--orange-glow)}
.urlbar .icon{width:22px;height:22px;color:var(--muted);flex:none}
.urlbar input{flex:1;background:none;border:0;color:var(--text);font:inherit;font-size:16px;outline:0;min-width:0}
.urlbar input::placeholder{color:#666}
.urlbar .paste{flex:none}
.error{color:var(--err);font-size:14px;margin:12px 0 0;text-align:center}

/* cards */
.card{background:var(--dark-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.result{display:grid;grid-template-columns:300px 1fr;gap:22px;margin-bottom:28px;animation:in .25s ease}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.media{position:relative;border-radius:10px;overflow:hidden;background:var(--dark-3);aspect-ratio:16/9;align-self:start}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.8);font-size:12px;padding:2px 7px;border-radius:6px;font-weight:600}
.dur:empty{display:none}
.meta h2{font-size:19px;font-weight:700;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta .muted{font-size:14px;margin:0 0 16px}
.tabs{display:flex;gap:4px;background:var(--dark-3);border-radius:10px;padding:4px;width:max-content;margin-bottom:14px}
.tab{padding:8px 16px;border-radius:8px;color:var(--muted);font-weight:500}
.tab.active{background:var(--dark-4);color:var(--text)}
.options{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.opt{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:var(--dark-3);border:1px solid var(--border);
  border-radius:10px;padding:11px 13px;text-align:left;transition:.15s}
.opt span{font-weight:600}
.opt small{color:var(--muted);font-size:12px}
.opt:hover{border-color:var(--orange);background:rgba(255,107,0,.08)}
.opt:disabled{opacity:.5;cursor:wait}
.opt.best span::after{content:"★";color:var(--orange);margin-left:6px;font-size:12px}

/* playlist */
.playlist{display:block}
.pl-head{display:flex;gap:16px;align-items:center;margin-bottom:16px}
.pl-head img{width:120px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:var(--dark-3)}
.pl-head h2{font-size:18px}
.pl-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:12px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.pl-actions select{background:var(--dark-3);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit}
.pl-actions .btn-primary{margin-left:auto}
.check{display:flex;align-items:center;gap:8px;color:var(--muted);cursor:pointer}
.pl-list{list-style:none;margin:0;padding:0;max-height:420px;overflow:auto}
.pl-list li{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--border)}
.pl-list img{width:80px;aspect-ratio:16/9;object-fit:cover;border-radius:6px;background:var(--dark-3);flex:none}
.pl-list .t{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pl-list .d{color:var(--muted);font-size:12px}
input[type=checkbox]{accent-color:var(--orange);width:16px;height:16px}

/* downloads */
.downloads{margin-bottom:40px}
.dl-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.dl-head h3{font-size:16px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
#jobList{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.job{display:grid;grid-template-columns:96px 1fr auto;gap:14px;align-items:center;background:var(--dark-2);border:1px solid var(--border);
  border-radius:12px;padding:12px}
.job img{width:96px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:var(--dark-3)}
.job .info{min-width:0}
.job .title{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.job .sub{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.job .bar{height:6px;background:var(--dark-4);border-radius:99px;overflow:hidden;margin-top:8px}
.job .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--orange),var(--orange-light));width:0;transition:width .4s}
.job.processing .bar i{background:repeating-linear-gradient(90deg,var(--orange) 0 12px,var(--orange-light) 12px 24px);animation:stripe 1s linear infinite}
@keyframes stripe{to{background-position:24px 0}}
.job.done .bar i{background:var(--ok)}
.job.error .bar i{background:var(--err)}
.job .actions{display:flex;gap:6px;align-items:center}
.job .err{color:var(--err)}
.tag{font-size:11px;font-weight:600;letter-spacing:.04em;padding:2px 7px;border-radius:6px;background:var(--dark-4)}
.tag.audio{color:#ffb380}

/* features */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:20px}
.features div{background:var(--dark-2);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:4px}
.features b{font-family:var(--font-display);font-size:16px}
.features span{color:var(--muted);font-size:13px}

/* login */
.login{max-width:400px;margin:60px auto;text-align:center}
.login h1{font-size:24px;margin-bottom:6px}
.login form{display:flex;gap:8px;margin-top:20px}
.login input{flex:1;background:var(--dark-3);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--text);font:inherit;outline:0}
.login input:focus{border-color:var(--orange)}

footer{border-top:1px solid var(--border);padding:24px 28px;display:flex;gap:20px;align-items:center;color:var(--muted);font-size:12px}
footer img{height:20px;opacity:.6}
footer p{margin:0;max-width:760px}

@media (max-width:720px){
  .top{padding:14px 16px}.brand-name{display:none}
  main{padding:24px 14px 40px}
  .result{grid-template-columns:1fr}
  .urlbar{flex-wrap:wrap;padding:10px}
  .urlbar input{flex-basis:100%;order:-1;padding:6px 4px}
  .urlbar .icon{display:none}
  .urlbar .paste,.urlbar .btn-primary{flex:1}
  .job{grid-template-columns:72px 1fr}.job img{width:72px}
  .job .actions{grid-column:1/-1;justify-content:flex-end}
  .pl-actions .btn-primary{margin-left:0;width:100%}
  footer{flex-direction:column;align-items:flex-start}
}