:root {
  --bg: #0d1117;
  --bg-soft: #151b23;
  --card: #161c25;
  --line: #262e3a;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #ff3d3d;
  --accent-2: #ff7a45;
  --ok: #2ea043;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1100px 520px at 50% -220px, #1d2735 0%, var(--bg) 62%);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 17, 23, .72);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand .logo {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #fff;
}

.brand strong { display: block; font-size: 16px; letter-spacing: .2px; }
.brand small { display: block; color: var(--muted); font-size: 12px; }

.badge {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 5px 11px;
  border-radius: 999px;
}

/* ---------- layout ---------- */
main { max-width: 880px; margin: 0 auto; padding: 44px 20px 80px; }

.hero { text-align: center; }

.hero h1 {
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.2;
  margin: 0 0 10px;
  letter-spacing: -.5px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub { color: var(--muted); margin: 0 0 28px; }

/* ---------- search ---------- */
.searchbar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 8px 8px 14px;
  box-shadow: 0 18px 40px -28px #000;
  transition: border-color .18s, box-shadow .18s;
}

.searchbar:focus-within {
  border-color: #4a5768;
  box-shadow: 0 0 0 4px rgba(255, 61, 61, .12);
}

.search-icon { color: var(--muted); flex: none; }

#urlInput {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 15px;
  padding: 10px 4px;
  outline: none;
}

#urlInput::placeholder { color: #5d6a7b; }

button { font: inherit; cursor: pointer; border-radius: 10px; transition: filter .15s, background .15s; }

button.primary {
  border: 0;
  padding: 11px 22px;
  color: #fff;
  font-weight: 600;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

button.ghost {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
}

button.ghost:hover { color: var(--text); background: #1d2531; }
button.primary:hover { filter: brightness(1.08); }
button:disabled { opacity: .55; cursor: progress; filter: none; }

.error {
  margin: 16px auto 0;
  max-width: 640px;
  color: #ffb4b4;
  background: rgba(255, 61, 61, .09);
  border: 1px solid rgba(255, 61, 61, .3);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
}

/* ---------- result card ---------- */
.card {
  margin-top: 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.meta { display: flex; gap: 18px; align-items: flex-start; }

.thumb-wrap { position: relative; flex: none; }

#thumb {
  width: 240px;
  height: 135px;
  object-fit: cover;
  border-radius: 10px;
  background: #0b0f14;
  display: block;
}

.duration {
  position: absolute;
  right: 7px;
  bottom: 7px;
  background: rgba(0, 0, 0, .82);
  border-radius: 5px;
  padding: 2px 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.meta-text { min-width: 0; }
.meta-text h2 { margin: 2px 0 6px; font-size: 18px; line-height: 1.35; }
.channel { margin: 0; color: var(--muted); font-size: 14px; }
.views { margin: 4px 0 0; color: #6c7889; font-size: 13px; }

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  gap: 6px;
  margin: 22px 0 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 5px;
}

.tab {
  flex: 1;
  border: 0;
  background: none;
  color: var(--muted);
  padding: 10px;
  font-weight: 600;
  font-size: 14px;
}

.tab.active { background: #232c39; color: var(--text); }

/* ---------- quality rows ---------- */
.qualities { display: grid; gap: 8px; }

.q-row {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 11px;
  padding: 12px 14px;
}

.q-row .q-label { font-weight: 600; min-width: 92px; }
.q-row .q-size { color: var(--muted); font-size: 13px; flex: 1; }

.q-row .tag {
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
}

.q-row button {
  border: 0;
  background: #2b3543;
  color: var(--text);
  padding: 9px 18px;
  font-weight: 600;
  font-size: 14px;
}

.q-row button:hover { background: #364354; }

/* ---------- jobs ---------- */
.jobs h3 { margin: 0 0 14px; font-size: 15px; color: var(--muted); font-weight: 600; }
.job-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.job {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 11px;
  padding: 13px 15px;
}

.job-head { display: flex; align-items: center; gap: 10px; }
.job-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }

.job-kind {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 3px 8px;
  border-radius: 6px;
  background: #2b3543;
  color: var(--muted);
}

.job-stage { color: var(--muted); font-size: 12.5px; margin-top: 6px; display: flex; gap: 10px; }
.job-stage .pct { font-variant-numeric: tabular-nums; color: var(--text); }

.bar { height: 6px; border-radius: 999px; background: #232c39; margin-top: 9px; overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .3s ease; }
.job.done .bar > i { background: var(--ok); }
.job.error .bar > i { background: #7d2b2b; width: 100% !important; }
.job.error .job-stage { color: #ffb4b4; }

.job a.save {
  display: inline-block;
  margin-top: 11px;
  background: var(--ok);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 18px;
  border-radius: 9px;
}

.job a.save:hover { filter: brightness(1.08); }

/* ---------- steps + legal ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 40px; }
.steps > div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }

.steps span {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 8px;
  background: #2b3543;
  font-weight: 700;
  font-size: 14px;
}

.steps p { margin: 11px 0 0; color: var(--muted); font-size: 14px; }

.legal { margin-top: 30px; text-align: center; color: #5d6a7b; font-size: 12.5px; }

@media (max-width: 680px) {
  .meta { flex-direction: column; }
  #thumb { width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .thumb-wrap { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  .searchbar { flex-wrap: wrap; }
  #urlInput { flex-basis: 100%; }
}