:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card: #1a1d24;
  --text: #f2f3f5;
  --muted: #9aa0a8;
  --accent: #4f7cff;
  --accent-hover: #3a63e0;
  --border: #2a2e37;
  --danger: #ff5c5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.subtitle {
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.fetch-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

#url {
  flex: 1 1 240px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}

#url:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.loading, .error {
  margin-top: 16px;
  font-size: 0.95rem;
}

.error {
  color: var(--danger);
}

.result {
  margin-top: 28px;
}

.video-card {
  display: flex;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}

.video-card img {
  width: 120px;
  height: 68px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: #000;
}

.video-meta h2 {
  font-size: 1rem;
  margin: 0 0 6px;
  line-height: 1.3;
}

.video-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.options {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.opt-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.opt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-wrap {
  margin-top: 10px;
}

.progress-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.progress-text {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--muted);
}

.opt-label {
  font-weight: 600;
}

.opt-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin-left: 8px;
}

.download-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.download-link:hover { background: var(--accent-hover); }

@media (max-width: 420px) {
  .fetch-form { flex-direction: column; }
  button { width: 100%; }
}