:root {
  /* 主色：清新绿 → 天空蓝 */
  --green: #6fe489;
  --blue: #2c99da;
  --green-ink: #2f9a5c;
  --blue-ink: #1e7fb8;
  --grad: linear-gradient(135deg, #6fe489 0%, #2c99da 100%);

  --bg: #f1f8f9;
  --panel: #ffffff;
  --panel-soft: #f7fbfc;
  --border: rgba(44, 153, 218, 0.16);
  --text: #16303c;
  --muted: #6d8694;
  --radius: 18px;

  --warn: #e08b2a;
  --warn-ink: #a8631a;
  --danger: #d95260;
  --shadow: 0 10px 30px rgba(20, 74, 96, 0.07);
}

* { box-sizing: border-box; }

/* 说明：flex/grid 类容器的 display 会覆盖 [hidden] 的默认 display:none，这里统一兜底 */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(700px 440px at 10% -10%, rgba(111, 228, 137, 0.28), transparent 62%),
    radial-gradient(680px 480px at 92% 2%, rgba(44, 153, 218, 0.22), transparent 64%),
    radial-gradient(900px 620px at 50% 112%, rgba(111, 228, 137, 0.14), transparent 66%);
  z-index: 0;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 38px 20px 16px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(100deg, var(--green-ink), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topbar-tip { color: var(--muted); font-size: 13px; }
.topbar-link {
  margin-left: auto;
  color: var(--blue-ink);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid rgba(44, 153, 218, 0.32);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 5px 13px;
  transition: background 0.2s, color 0.2s;
}
.topbar-link:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

.wrap {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

/* ---------- 输入区 ---------- */
.input-box textarea {
  width: 100%;
  resize: vertical;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  padding: 15px 16px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.input-box textarea:focus {
  background: #fff;
  border-color: rgba(44, 153, 218, 0.55);
  box-shadow: 0 0 0 4px rgba(44, 153, 218, 0.12);
}
.input-box textarea::placeholder { color: #9db1bc; }

.input-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: transform 0.12s, filter 0.2s, background 0.2s, box-shadow 0.2s;
  color: #fff;
}
.btn:active { transform: scale(0.975); }
.btn.primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 22px rgba(44, 153, 218, 0.28);
}
.btn.primary:hover { filter: brightness(1.05); box-shadow: 0 10px 26px rgba(44, 153, 218, 0.36); }
.btn.primary[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }
.btn.ghost {
  background: #fff;
  border: 1px solid rgba(44, 153, 218, 0.24);
  color: var(--blue-ink);
}
.btn.ghost:hover { background: rgba(44, 153, 218, 0.07); border-color: rgba(44, 153, 218, 0.45); }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.quick-row {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}
.quick-row code {
  background: rgba(111, 228, 137, 0.12);
  border: 1px solid rgba(111, 228, 137, 0.32);
  border-radius: 7px;
  padding: 3px 9px;
  font-size: 11.5px;
  color: var(--green-ink);
}
.error-box {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(217, 82, 96, 0.08);
  border: 1px solid rgba(217, 82, 96, 0.28);
  color: #b93a48;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- 结果区 ---------- */
.result-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.cover-wrap {
  position: relative;
  flex: 0 0 132px;
  width: 132px;
  aspect-ratio: 3/4;
  border-radius: 14px;
  overflow: hidden;
  background: var(--panel-soft);
  border: 1px solid var(--border);
}
.cover-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.duration-tag {
  position: absolute;
  right: 6px; bottom: 6px;
  background: rgba(16, 48, 60, 0.78);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 11px;
  color: #fff;
}

.meta { flex: 1; min-width: 0; }
.meta h2 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.author-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
}
.avatar { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); }
.author-name { color: #2c4b58; font-weight: 600; }
.dot-sep::before { content: "·"; margin-right: 6px; }

.stats {
  margin-top: 10px;
  display: flex;
  gap: 16px;
  font-size: 12.5px;
  color: var(--muted);
  flex-wrap: wrap;
}
.stats b { color: #24485a; font-weight: 600; margin-right: 3px; }

.badges { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 11.5px;
  padding: 4px 11px;
  border-radius: 20px;
  background: rgba(44, 153, 218, 0.08);
  border: 1px solid rgba(44, 153, 218, 0.2);
  color: var(--muted);
}
.badge.ok {
  background: rgba(111, 228, 137, 0.16);
  border-color: rgba(111, 228, 137, 0.45);
  color: var(--green-ink);
  font-weight: 600;
}
.badge.warn {
  background: rgba(224, 139, 42, 0.12);
  border-color: rgba(224, 139, 42, 0.36);
  color: var(--warn-ink);
}

.preview-area { margin-top: 18px; }
#videoPlayer {
  width: 100%;
  max-height: 460px;
  background: #10222b;
  border-radius: 14px;
  display: block;
  border: 1px solid var(--border);
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.image-grid .img-item {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.image-grid .img-item:hover {
  transform: translateY(-2px);
  border-color: rgba(44, 153, 218, 0.5);
  box-shadow: 0 8px 20px rgba(20, 74, 96, 0.12);
}
.image-grid img { width: 100%; display: block; }

.action-row {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.srclist { margin-top: 18px; font-size: 13px; }
.srclist summary { cursor: pointer; color: var(--muted); outline: none; }
.srclist summary:hover { color: var(--blue-ink); }
.srclist ul { margin: 10px 0 0; padding-left: 18px; }
.srclist li { margin-bottom: 8px; word-break: break-all; font-size: 13px; }
.srclist a { color: var(--blue-ink); text-decoration: none; font-size: 13px; }
.srclist a:hover { text-decoration: underline; }
.srclist a.active { color: var(--green-ink); font-weight: 700; }
.srclist a.active::after { content: " ← 当前"; color: var(--blue-ink); font-weight: 400; font-size: 11px; }
.srclist li.is-wm a { color: var(--warn-ink); }
.srclist li.is-wm a.active::after { color: var(--warn-ink); }

.wm-warn {
  margin-top: 16px;
  padding: 11px 14px;
  border-radius: 12px;
  background: rgba(224, 139, 42, 0.09);
  border: 1px solid rgba(224, 139, 42, 0.34);
  color: var(--warn-ink);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 历史 ---------- */
.history-head { display: flex; justify-content: space-between; align-items: center; }
.history-head h3 { margin: 0 0 10px; font-size: 15px; color: var(--text); }
.link-btn {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 13px; font-family: inherit;
}
.link-btn:hover { color: var(--danger); }
.history-list { list-style: none; margin: 0; padding: 0; }
.history-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 0; border-top: 1px solid var(--border);
  font-size: 13px;
}
.history-list li:first-child { border-top: none; }
.history-list .h-title {
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: #2c4b58;
}
.history-list .h-time { color: #93a7b2; font-size: 12px; }
.history-list .h-link { color: var(--blue-ink); text-decoration: none; font-size: 12px; }

/* ---------- 说明 ---------- */
.tips h3 { margin: 0 0 10px; font-size: 15px; color: var(--text); }
.tips ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13px; line-height: 1.95; }
.tips ol li b { color: var(--green-ink); font-weight: 600; }
.tips-extra {
  margin: 14px 0 0;
  padding: 12px 14px 12px 30px;
  list-style: disc;
  border-radius: 12px;
  background: rgba(111, 228, 137, 0.1);
  border: 1px solid rgba(111, 228, 137, 0.28);
  color: var(--green-ink);
  font-size: 12.5px;
  line-height: 1.85;
}
.tips-contact {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--blue-ink);
  line-height: 1.7;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(12px);
  background: #16303c;
  color: #fff;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 13.5px;
  z-index: 99;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 12px 34px rgba(16, 48, 60, 0.32);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 620px) {
  .result-head { flex-direction: column; }
  .cover-wrap { flex: 0 0 auto; width: 100%; aspect-ratio: 16/10; }
  .btn { flex: 1; }
  .action-row .btn { min-width: 120px; }
}