:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --text: #e6e8eb;
  --muted: #9aa3b2;
  --accent: #6aa1ff;
  --accent-2: #8be9c4;
  --danger: #ff7a7a;
  --border: #2a2f3a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 28px;
  letter-spacing: -0.01em;
}

header .sub {
  color: var(--muted);
  margin: 0 0 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 18px;
}

.card.hidden { display: none; }

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="url"], input[type="number"], input[type="text"] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  width: 100%;
}

input[type="number"], .time-input {
  width: 110px;
  font-variant-numeric: tabular-nums;
}

button {
  background: var(--accent);
  color: #0a1020;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}

button:disabled {
  background: #3a4150;
  color: #8a92a3;
  cursor: not-allowed;
}

button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.row {
  display: flex;
  gap: 10px;
}

.row input { flex: 1; }

.supported-sites {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.site-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.site-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.site-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px 4px 6px;
}

.site-item img {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: white;
  padding: 1px;
}

.title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}

.title-row h2 { margin: 0; font-size: 17px; }

.duration { color: var(--muted); font-variant-numeric: tabular-nums; }

#waveform {
  background: var(--panel-2);
  border-radius: 8px;
  padding: 6px;
  margin-bottom: 12px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.controls button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.region-info {
  margin-left: auto;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.trim-row {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
}

.trim-row label { display: flex; flex-direction: column; gap: 4px; }
.name-label { flex: 1 1 220px; min-width: 200px; }
.name-input-wrap {
  display: flex;
  align-items: stretch;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.name-input-wrap input {
  border: none;
  background: transparent;
  border-radius: 0;
  flex: 1;
  width: auto;
}
.name-input-wrap .ext {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.hint { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

.status { margin: 10px 0 0; min-height: 20px; font-size: 14px; }
.status.error { color: var(--danger); }
.status.ok { color: var(--accent-2); }

.result-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
}

@media (max-width: 700px) {
  .result-grid { grid-template-columns: 1fr; }
}

.download {
  display: inline-block;
  background: var(--accent-2);
  color: #0a1020;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  padding: 12px 18px;
  margin-bottom: 16px;
}

.howto-heading {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 14px;
}

.howto {
  color: var(--muted);
  line-height: 1.6;
  padding-left: 20px;
  margin-top: 0;
}
.howto strong, .howto em { color: var(--text); font-style: normal; }

.qr-wrap { text-align: center; }
.qr-wrap img { width: 100%; max-width: 280px; background: white; padding: 8px; border-radius: 8px; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; color: var(--muted); word-break: break-all; }