/* Worker 应急通道 · 移动优先样式（无外部资源） */
:root {
  --bg: #101418;
  --bg-soft: #171d23;
  --card: #1b222a;
  --card-2: #212a33;
  --line: #2c3742;
  --fg: #e8edf2;
  --fg-dim: #9fb0bf;
  --accent: #2f81f7;
  --accent-2: #1f6feb;
  --ok: #2ea043;
  --warn: #d29922;
  --err: #f85149;
  --radius: 12px;
  --gap: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 12px;
}

/* ---------- header / footer ---------- */
.site-header {
  background: linear-gradient(180deg, #16202b 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
  padding: 18px 0 14px;
}
.site-header h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: .5px;
}
.tagline {
  margin: 4px 0 0;
  color: var(--fg-dim);
  font-size: .92rem;
}
.notice {
  margin: 8px 0 0;
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--fg-dim);
  font-size: .82rem;
}
/* ---------- status banner ---------- */
.banner-wrap {
  padding: 10px 0 0;
}
.banner {
  border: 1px solid #7a4a12;
  background: rgba(210, 153, 34, .13);
  color: #f0c674;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: .85rem;
  line-height: 1.5;
}
.banner strong { color: #ffd479; }

.site-footer {
  margin: 24px 0 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: .8rem;
}
.site-footer p { margin: 0; }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin: 14px 0;
}
.card h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card h3 { margin: 0 0 8px; font-size: 1rem; }
.idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  flex: 0 0 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: .78rem;
  font-weight: 700;
}
.hint {
  margin: 6px 0;
  color: var(--fg-dim);
  font-size: .85rem;
  word-break: break-word;
}
code {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 4px;
  font-size: .82em;
  word-break: break-all;
}

/* ---------- form ---------- */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  align-items: flex-end;
  margin: 8px 0;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: .82rem;
  color: var(--fg-dim);
  min-width: 0;
}
.field.grow { flex: 1 1 220px; }
.row > .grow, .grow { flex: 1 1 220px; min-width: 0; }

input[type=text], input[type=password], input[type=search], select {
  width: 100%;
  min-width: 0;
  padding: 10px 11px;
  font-size: 1rem; /* ≥16px 避免 iOS 聚焦缩放 */
  color: var(--fg);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
input:focus, select:focus { border-color: var(--accent); }
select {
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-dim) 50%), linear-gradient(135deg, var(--fg-dim) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 10px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 30px;
}

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 15px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--fg);
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
button.primary, .btn.primary {
  background: var(--accent-2);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button.ghost { background: transparent; }
button:hover:not(:disabled), .btn:hover { filter: brightness(1.12); }
button:disabled, .btn.disabled {
  opacity: .45;
  cursor: not-allowed;
  filter: none;
}
button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- status ---------- */
.status {
  margin: 8px 0 0;
  font-size: .87rem;
  min-height: 1.2em;
  padding: 0;
  color: var(--fg-dim);
  word-break: break-word;
}
.status-ok { color: #6fd08c; }
.status-error { color: #ff8b84; }
.status-warn { color: #e3b341; }
.status-info { color: var(--fg-dim); }

/* ---------- lists ---------- */
.video-list, .saved-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.video-list li, .saved-list li {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.video-list .v-head {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.video-list .v-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .95rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.video-list .v-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .78rem;
  color: var(--fg-dim);
}
.tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: .72rem;
  color: var(--fg-dim);
}
.tag-cached { border-color: var(--ok); color: #6fd08c; }
.empty {
  padding: 12px;
  text-align: center;
  color: var(--fg-dim);
  font-size: .87rem;
  border: 1px dashed var(--line);
  border-radius: 10px;
}

/* ---------- player ---------- */
.player-wrap { margin-top: 12px; }
.video-title {
  font-size: 1rem;
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.video-box {
  background: #000;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  justify-content: center;
}
.video-box video {
  display: block;
  width: 100%;
  max-height: 62vh;
  background: #000;
}

/* ---------- formats ---------- */
.formats { margin-top: 10px; }
.formats summary { cursor: pointer; color: var(--fg-dim); font-size: .87rem; }
.format-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.format-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  font-size: .82rem;
  color: var(--fg-dim);
  word-break: break-all;
}
.format-item.is-selected {
  border-color: var(--accent);
  color: var(--fg);
  background: rgba(47, 129, 247, .12);
}

/* ---------- progress ---------- */
.progress {
  height: 10px;
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0 4px;
}
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-2), #3fb950);
  transition: width .2s ease;
}
.progress-bar.indeterminate {
  width: 35%;
  animation: slide 1.1s linear infinite;
}
@keyframes slide {
  0% { margin-left: -35%; }
  100% { margin-left: 100%; }
}

/* ---------- small screens ---------- */
@media (max-width: 480px) {
  body { font-size: 15px; }
  .card { padding: 12px; border-radius: 10px; }
  .site-header h1 { font-size: 1.2rem; }
  .row { gap: 8px; }
  .row > button, .row > .btn, .row > .field { flex: 1 1 100%; }
  .row > .field select, .row > .field input { width: 100%; }
  .video-box video { max-height: 46vh; }
}

@media (min-width: 700px) {
  .row > .field { flex: 0 1 220px; }
  .video-box video { max-height: 70vh; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-bar { transition: none; }
  .progress-bar.indeterminate { animation: none; }
}