/* ---------- 主题变量：深色（默认）/ 浅色 ---------- */

:root,
html[data-theme="dark"] {
  --bg: #0a0d16;
  --bg-glow-1: rgba(99, 102, 241, 0.13);
  --bg-glow-2: rgba(34, 211, 238, 0.08);
  --card: rgba(255, 255, 255, 0.035);
  --card-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --muted: #98a2b8;
  --accent: #6366f1;
  --accent-2: #22d3ee;
  --accent-soft: rgba(99, 102, 241, 0.16);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.1);
  --ok: #34d399;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

html[data-theme="light"] {
  --bg: #f3f5fb;
  --bg-glow-1: rgba(99, 102, 241, 0.1);
  --bg-glow-2: rgba(34, 211, 238, 0.08);
  --card: #ffffff;
  --card-strong: #f1f3fa;
  --border: rgba(20, 30, 60, 0.1);
  --text: #1c2333;
  --muted: #5c6780;
  --accent: #4f46e5;
  --accent-2: #0891b2;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.07);
  --ok: #059669;
  --shadow: 0 10px 32px rgba(30, 40, 80, 0.12);
}

* { box-sizing: border-box; }

/* 线性图标 */
.icon { width: 1em; height: 1em; flex: none; vertical-align: -0.15em; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 500px at 85% -10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(900px 420px at -10% 20%, var(--bg-glow-2), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  line-height: 1.6;
  transition: background 0.25s;
}

.wrap { max-width: 940px; margin: 0 auto; padding: 44px 20px 60px; }

/* ---------- 顶部 ---------- */

.hero { text-align: center; margin-bottom: 26px; }
.hero-title { display: flex; align-items: center; justify-content: center; gap: 12px; }
.hero-title h1 { margin: 0; font-size: 30px; letter-spacing: 0.5px; }
.logo { display: inline-flex; align-items: center; justify-content: center; font-size: 34px; color: var(--accent); }
.theme-toggle {
  margin-left: 6px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 17px;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s, color 0.2s;
}
.theme-toggle:hover { transform: rotate(20deg) scale(1.08); color: var(--accent); }
.badge {
  padding: 3px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border: 1px solid var(--border);
  vertical-align: middle;
}
.sub { margin: 10px auto 0; max-width: 640px; color: var(--muted); font-size: 14px; }

.features { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.feat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 12.5px;
  color: var(--muted);
  transition: color 0.15s, border-color 0.15s, transform 0.15s;
}
.feat .icon { color: var(--accent); }
.feat:hover { color: var(--text); border-color: var(--accent); transform: translateY(-1px); }

/* ---------- 卡片 ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  animation: fade-up 0.35s ease both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 上传区 ---------- */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 14px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}
.dropzone:hover, .dropzone.over {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.dz-icon { font-size: 42px; color: var(--accent); animation: float 3s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-5px); } }
.dz-main { margin: 10px 0 6px; font-size: 17px; font-weight: 600; }
.dz-link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.dz-sub { margin: 0; color: var(--muted); font-size: 13px; }

.filebar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-strong);
}
.file-icon { font-size: 26px; color: var(--accent); }
.file-info { flex: 1; min-width: 0; }
.file-name { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-meta { color: var(--muted); font-size: 13px; }

.opts { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; margin-top: 18px; }
.opts label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }

select, .primary, .primary-sm, .ghost, .link {
  font: inherit;
  border-radius: 10px;
  cursor: pointer;
}
select {
  min-width: 180px;
  padding: 9px 12px;
  background: var(--card-strong);
  color: var(--text);
  border: 1px solid var(--border);
  transition: border-color 0.15s;
}
select:focus, input:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.primary, .primary-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  transition: filter 0.15s, transform 0.15s;
}
.primary { margin-left: auto; padding: 11px 30px; font-size: 15px; }
.primary-sm { padding: 7px 16px; font-size: 13px; }
.primary:hover:not(:disabled), .primary-sm:hover { filter: brightness(1.12); transform: translateY(-1px); }
.primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  transition: border-color 0.15s, color 0.15s;
}
.ghost:hover { border-color: var(--accent); color: var(--accent); }
.link { margin-left: auto; padding: 6px 10px; background: none; border: none; color: var(--accent); font-size: 13px; }

/* ---------- 状态 / 进度 ---------- */

.status { display: flex; align-items: center; gap: 18px; }
.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status-body { flex: 1; min-width: 0; }
.status-title { margin: 0; font-weight: 600; }
.status-sub { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

.progress {
  margin-top: 10px;
  height: 6px;
  border-radius: 999px;
  background: var(--card-strong);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.25s;
}
.progress-bar.indeterminate {
  width: 35% !important;
  animation: slide 1.4s ease-in-out infinite;
}
@keyframes slide { 0% { margin-left: -35%; } 100% { margin-left: 100%; } }

/* ---------- 错误 ---------- */

.error { border-color: color-mix(in srgb, var(--danger) 45%, transparent); background: var(--danger-soft); }
.error-title { margin: 0 0 6px; font-weight: 600; color: var(--danger); display: inline-flex; align-items: center; gap: 6px; }
.error-msg { margin: 0; font-size: 14px; white-space: pre-wrap; }

/* ---------- 结果区 ---------- */

.player-card audio { width: 100%; margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--card-strong);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.chip b { color: var(--text); font-weight: 600; }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar h2 { margin: 0; font-size: 18px; }
.search-box {
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-strong);
  color: var(--muted);
  transition: border-color 0.15s;
}
.search-box:focus-within { border-color: var(--accent); color: var(--accent); }
.search-box .icon { font-size: 14px; }
.search {
  flex: 1;
  min-width: 0;
  padding: 8px 0;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
}
.search:focus { outline: none; }
.follow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.follow input { accent-color: var(--accent); cursor: pointer; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-left: auto; }
.divider { width: 1px; height: 20px; background: var(--border); margin: 0 2px; }

/* ---------- 时间线 ---------- */

.timeline { list-style: none; margin: 0; padding: 0; max-height: 560px; overflow-y: auto; }
.timeline li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.12s;
}
.timeline li:hover { background: var(--card-strong); }
.timeline li.active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
.time {
  flex: none;
  min-width: 126px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.seg-text { flex: 1; font-size: 15px; }

.seg-copy {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s, background 0.12s, color 0.12s, border-color 0.12s;
}
.timeline li:hover .seg-copy, .seg-copy:focus-visible { opacity: 1; }
.seg-copy:hover { background: var(--card-strong); color: var(--accent); border-color: var(--border); }

.hint { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.hint .icon { color: var(--accent); }

/* ---------- 历史记录 ---------- */

.history-card { margin-top: 16px; }
.history-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.history-head h2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 16px;
}
.history-head h2 .icon { color: var(--accent); }
.history-count { color: var(--muted); font-size: 12.5px; }
.history-empty { margin: 0; color: var(--muted); font-size: 13px; }
.history-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-strong);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.history-item:hover { border-color: var(--accent); transform: translateY(-1px); }
.history-icon { font-size: 18px; color: var(--accent); }
.history-info { flex: 1; min-width: 0; }
.history-name { display: block; font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-meta { color: var(--muted); font-size: 12.5px; }
.history-del {
  flex: none;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.history-del:hover { color: var(--danger); background: var(--danger-soft); border-color: var(--border); }

/* ---------- 密码门 ---------- */

.gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(900px 500px at 70% -10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(700px 420px at 10% 110%, var(--bg-glow-2), transparent 55%),
    var(--bg);
}
.gate-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: fade-up 0.35s ease both;
}
.gate-card.shake { animation: shake 0.45s ease; }
@keyframes shake {
  20% { transform: translateX(-9px); } 40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); } 80% { transform: translateX(4px); }
}
.gate-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--accent);
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--border);
}
.gate-title { margin: 14px 0 2px; font-size: 24px; }
.gate-sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.gate-form { display: flex; flex-direction: column; gap: 12px; }
.gate-input {
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-strong);
  color: var(--text);
  font: inherit;
  text-align: center;
  letter-spacing: 2px;
}
.gate-error { margin: 14px 0 0; color: var(--danger); font-size: 13px; }

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 20px);
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--card-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 60;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.hidden { display: none !important; }

@media (max-width: 620px) {
  .primary { margin-left: 0; width: 100%; }
  .timeline li { flex-direction: column; gap: 2px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .actions { justify-content: center; }
}