/* TuneRip — critical path styles. Kept small so it can be inlined. */
:root {
  --bg: #0b0d14;
  --bg-2: #1a1d28;
  --card: #262a36;
  --card-2: #2d313e;
  --text: #f5f6fa;
  --muted: #a3a8b8;
  --border: #353948;
  --border-2: #40455a;
  --accent: #ffcc33;
  --accent-text: #1a1d28;
  --blue: #3b82f6;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 18px;
  --radius-sm: 999px;
  --shadow: 0 4px 24px rgba(0,0,0,0.25);
  --max: 900px;
  --tap: 44px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{color-scheme:dark}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Twemoji Mozilla","Apple Color Emoji","Segoe UI Emoji",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.55;
  -webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;
  min-height:100vh;min-height:100svh;
}
a{color:var(--text);text-decoration:none}
a:hover{opacity:.85}
button{font:inherit;color:inherit}
img,svg{max-width:100%;display:block}

.container{max-width:var(--max);margin:0 auto;padding:0 16px;width:100%}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:var(--accent);color:var(--accent-text);padding:8px 12px;border-radius:8px;z-index:9999}

/* Header */
.site-header{padding:24px 0}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{font-weight:900;font-size:clamp(26px,4.6vw,36px);letter-spacing:-.02em;color:var(--text);line-height:1}
.brand:hover{opacity:1;text-decoration:none}
.brand-dot{color:var(--accent);font-weight:900}
.header-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.btn-supporter{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:var(--accent-text);
  border:0;border-radius:var(--radius-sm);
  padding:10px 16px;font-weight:700;font-size:14px;cursor:pointer;
  min-height:var(--tap);
}
.btn-supporter:hover{filter:brightness(1.05)}
.btn-lang,.btn-theme{
  background:transparent;border:1px solid var(--border-2);
  border-radius:var(--radius-sm);color:var(--text);
  padding:9px 14px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  min-height:var(--tap);
}
.btn-theme{padding:0;width:var(--tap);height:var(--tap);justify-content:center}
.btn-lang:hover,.btn-theme:hover{border-color:#555c78}
.btn-theme .icon-sun{display:none}
html[data-theme="light"] .btn-theme .icon-moon{display:none}
html[data-theme="light"] .btn-theme .icon-sun{display:block}

/* Language dropdown */
.lang-menu{position:relative}
.lang-menu>summary{list-style:none}
.lang-menu>summary::-webkit-details-marker{display:none}
.lang-list{position:absolute;top:calc(100% + 6px);right:0;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:6px;min-width:210px;max-height:420px;overflow-y:auto;box-shadow:var(--shadow);z-index:40;display:flex;flex-direction:column}
.lang-list a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--text);text-transform:uppercase;letter-spacing:.02em}
.lang-list a:hover{background:rgba(255,255,255,.04);text-decoration:none}
.lang-list a.lang-active{color:var(--accent)}
html[data-theme="light"] .lang-list a:hover{background:rgba(0,0,0,.04)}

/* Hero card */
.hero{padding:8px 0 40px}
.converter-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
}
.converter-title{
  margin:0 0 24px;text-align:center;font-weight:800;letter-spacing:-.015em;
  font-size:clamp(22px,4vw,30px);
}
.url-wrap{position:relative;margin-bottom:16px}
#yt-url{
  width:100%;background:var(--bg-2);color:var(--text);
  border:1px solid var(--border-2);border-radius:var(--radius-sm);
  padding:16px 56px 16px 22px;font-size:15px;outline:none;
  transition:border-color .15s, box-shadow .15s;
  min-height:var(--tap);
}
textarea#yt-url {
  border-radius: 14px;
  padding: 16px 22px;
}
#yt-url::placeholder{color:#7a8094}
#yt-url:focus{border-color:#5a6180;box-shadow:0 0 0 3px rgba(90,97,128,.2)}
#paste-btn{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:var(--muted);cursor:pointer;
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
}
#paste-btn:hover{color:var(--text);background:rgba(255,255,255,.04)}

.controls-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.seg{
  display:inline-flex;background:var(--bg-2);border:1px solid var(--border-2);
  border-radius:var(--radius-sm);padding:4px;gap:2px;
}
.seg-btn{
  background:transparent;border:0;color:var(--muted);cursor:pointer;
  padding:8px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;
  min-height:36px;
}
.seg-btn.active{background:var(--text);color:var(--accent-text)}
.seg-btn:focus-visible{outline:2px solid var(--accent)}

.select-pill{
  background:var(--bg-2);border:1px solid var(--border-2);
  border-radius:var(--radius-sm);color:var(--text);
  padding:9px 36px 9px 16px;font-weight:500;font-size:14px;cursor:pointer;
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%23a3a8b8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;
  min-height:var(--tap);
}
.select-pill:focus{border-color:#5a6180;outline:none}
.track-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--bg-2);border:1px solid var(--border-2);
  border-radius:var(--radius-sm);padding:9px 16px 9px 14px;color:var(--text);
  font-weight:500;font-size:14px;min-height:var(--tap);
}
.track-pill svg{opacity:.8}
.track-pill{cursor:pointer}

/* Track dropdown */
.track-menu{position:relative}
.track-menu>summary{list-style:none}
.track-menu>summary::-webkit-details-marker{display:none}
.track-list{position:absolute;top:calc(100% + 6px);left:0;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:6px;min-width:260px;max-width:min(92vw,320px);box-shadow:var(--shadow);z-index:20}
.track-opt{display:block;width:100%;text-align:left;background:transparent;border:0;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--text);cursor:pointer}
.track-opt:hover{background:rgba(255,255,255,.04)}
.track-opt[aria-selected="true"]{background:rgba(255,204,51,.12);color:var(--accent)}
.track-note{margin:6px 10px;font-size:12px;color:var(--muted)}
html[data-theme="light"] .track-opt:hover{background:rgba(0,0,0,.04)}

.spacer{flex:1;min-width:0}

#convert-btn{
  margin-left:auto;
  background:var(--text);color:var(--accent-text);
  border:0;border-radius:var(--radius-sm);padding:12px 32px;
  font-weight:700;font-size:15px;cursor:pointer;
  min-height:var(--tap);
  transition:transform .1s;
}
#convert-btn:hover{filter:brightness(.95)}
#convert-btn:active{transform:translateY(1px)}
#convert-btn:disabled{opacity:.6;cursor:not-allowed}

/* Status panel */
.status{margin-top:20px;padding-top:20px;border-top:1px solid var(--border)}
.status.hidden{display:none}
.status-meta{display:flex;gap:12px;align-items:center;margin-bottom:12px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.status-meta img{width:72px;height:40px;object-fit:cover;border-radius:6px;flex-shrink:0}
.status-title{color:var(--text);font-weight:600;flex:1;min-width:160px;word-break:break-word}
.progress{height:8px;width:100%;background:var(--bg-2);border-radius:999px;overflow:hidden;border:1px solid var(--border-2)}
.progress>div{height:100%;background:linear-gradient(90deg,var(--accent),#ffd966);width:0;transition:width .3s}
.download-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.download-btn{
  background:var(--success);color:#0b2912;padding:12px 20px;
  border-radius:var(--radius-sm);font-weight:700;border:0;cursor:pointer;font-size:15px;
  min-height:var(--tap);
}
.download-btn:hover{filter:brightness(1.06);text-decoration:none}
.error{color:#ffc2c2;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.3);padding:10px 14px;border-radius:12px;margin-top:10px;font-size:14px}

/* Quick links row */
.quick-links{
  display:flex;justify-content:center;gap:12px;flex-wrap:wrap;
  margin:20px auto 0;max-width:720px;
  background:var(--card-2);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px 16px;
}
.quick-links a{
  color:var(--muted);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
}
.quick-links a:hover{color:var(--text);background:rgba(255,255,255,.04);text-decoration:none}
.quick-links svg{opacity:.8}

/* Body sections */
.section{padding:48px 0}
.section.alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{font-size:clamp(22px,3vw,28px);margin:0 0 14px;letter-spacing:-.01em;font-weight:700}
.section p,.section li{color:#bfc4d4}
.section strong{color:var(--text)}
.section .container{max-width:760px}

.steps{counter-reset:step;padding:0;list-style:none;display:grid;gap:12px}
.steps li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 18px 16px 60px;position:relative}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:14px;width:32px;height:32px;border-radius:10px;background:var(--accent);color:var(--accent-text);font-weight:800;display:grid;place-items:center;font-size:15px}

.grid-2{display:grid;grid-template-columns:1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:1fr;gap:14px}
.card-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
.card-item h3{margin:0 0 6px;font-size:16px;font-weight:700}
.ticks{padding-left:18px}
.ticks li{margin:6px 0}

details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin:10px 0}
details>summary{cursor:pointer;font-weight:600;color:var(--text);list-style:none}
details>summary::after{content:'+';float:right;color:var(--muted);font-weight:700;font-size:20px;line-height:1}
details[open]>summary::after{content:'−'}
details>p{margin:10px 0 0;color:#bfc4d4}
.faq-list{padding-left:28px;margin:0}
.faq-list>li{margin-bottom:22px;padding-left:6px}
.faq-list h3{margin:0 0 6px;font-size:18px;font-weight:700;color:var(--text)}
.faq-list p{margin:0;color:#bfc4d4}
.faq-list code{background:rgba(255,255,255,.06);padding:1px 6px;border-radius:4px;font-size:.9em}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:32px 0;margin-top:20px;color:var(--muted);font-size:14px}
.footer-nav{display:flex;flex-wrap:wrap;gap:16px 22px;justify-content:center;margin-bottom:12px}
.footer-nav a{color:var(--muted);font-size:14px}
.footer-nav a:hover{color:var(--text);text-decoration:none}
.footer-legal{gap:12px 18px}
.footer-legal a{color:#7a8094;font-size:13px}
.footer-copy{text-align:center;margin:14px 0 0;color:#7a8094}

/* Light theme */
html[data-theme="light"]{
  --bg:#f3f4f9;--bg-2:#ffffff;--card:#ffffff;--card-2:#f6f7fb;
  --text:#11131a;--muted:#5a6178;--border:#e3e6ef;--border-2:#d2d6e3;
  --accent-text:#1a1d28;
}
html[data-theme="light"] body{background:var(--bg)}
html[data-theme="light"] #convert-btn{background:#11131a;color:#fff}
html[data-theme="light"] .seg-btn.active{background:#11131a;color:#fff}

/* Responsive */
@media (min-width:720px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:560px){
  .container{padding:0 12px}
  .converter-card{padding:20px 16px;border-radius:14px}
  .header-row{gap:8px}
  .brand{font-size:24px}
  .btn-supporter{padding:8px 12px;font-size:13px}
  .btn-supporter span.s-label{display:none}
  .btn-lang span.l-label{display:none}
  .controls-row{gap:8px}
  #convert-btn{margin-left:0;width:100%;order:99}
  .seg,.select-pill,.track-pill{flex:0 0 auto}
  .quick-links{gap:4px;padding:10px 12px}
  .quick-links a{padding:6px 10px;font-size:13px}
  .section{padding:36px 0}
}
@media (max-width:360px){
  .brand{font-size:22px}
  #yt-url{padding:14px 48px 14px 16px;font-size:14px}
  .seg-btn{padding:8px 14px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}