/* ==========================================================================
   bqtj.cc.cd — 全站样式
   设计：深色底 + 渐变强调色 + 卡片网格，响应式
   改主题只需改下面这一组变量
   ========================================================================== */

:root {
  --bg: #0b0e14;
  --bg-soft: #10141d;
  --surface: #151a25;
  --surface-2: #1c2230;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #e8ebf2;
  --text-muted: #8f98ad;
  --text-dim: #626b7e;

  --accent: #5b8cff;
  --accent-2: #a06bff;
  --accent-3: #ff6b9d;
  --ok: #3ddc97;
  --warn: #ffb454;

  --grad: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);

  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 22px;

  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.3);

  --maxw: 1180px;
  --header-h: 62px;

  --font: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC",
    "Hiragino Sans GB", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", Consolas, "Courier New", monospace;
}

/* 浅色主题（点右上角太阳/月亮切换） */
html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --border: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.18);
  --text: #101725;
  --text-muted: #55607a;
  --text-dim: #8b95ab;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.07);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* 背景光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(620px 420px at 12% -8%, rgba(91, 140, 255, 0.16), transparent 65%),
    radial-gradient(560px 400px at 88% 0%, rgba(160, 107, 255, 0.14), transparent 62%),
    radial-gradient(700px 500px at 50% 110%, rgba(255, 107, 157, 0.09), transparent 65%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

code, kbd, pre { font-family: var(--font-mono); font-size: 0.9em; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

/* ============================ 顶部导航 ============================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.2px;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }

.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--grad);
  display: grid;
  place-items: center;
  font-size: 15px;
  color: #fff;
  box-shadow: 0 4px 14px rgba(91, 140, 255, 0.4);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: nowrap;
}

.nav a {
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
  transition: background 0.16s, color 0.16s;
  white-space: nowrap;
}
.nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a.active { color: #fff; background: var(--grad); box-shadow: 0 4px 14px rgba(120, 120, 255, 0.28); }

.icon-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 15px;
  transition: 0.16s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }

.nav-toggle { display: none; }

/* ============================ 首屏 ============================ */

.hero {
  padding: 74px 0 54px;
  text-align: center;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--surface);
  margin-bottom: 22px;
}

.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(61, 220, 151, 0.16);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.5px;
  font-weight: 800;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin: 0 auto 30px;
  max-width: 620px;
  color: var(--text-muted);
  font-size: clamp(14.5px, 1.9vw, 17px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================ 按钮 ============================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 11px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 14.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: 0.18s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 20px rgba(110, 120, 255, 0.32);
}
.btn-primary:hover { color: #fff; filter: brightness(1.08); }

.btn-sm { padding: 6px 13px; font-size: 13.5px; border-radius: 9px; }

/* ============================ 区块标题 ============================ */

.section { padding: 46px 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 700;
  letter-spacing: -0.2px;
}

.section-head .sub {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* ============================ 卡片 ============================ */

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: 0.2s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  margin-bottom: 14px;
}

.card h3 {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 650;
}

.card p {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 14px;
  flex: 1;
}

.card .meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 12.5px;
  margin-top: auto;
}

/* 可点击的整卡链接 */
.card-link { color: inherit; display: flex; flex-direction: column; flex: 1; }
.card-link:hover { text-decoration: none; }

/* 特色卡（首页三大入口） */
.feature {
  padding: 26px;
  border-radius: var(--radius-lg);
}
.feature::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
  opacity: 0.85;
}
.feature h3 { font-size: 19px; }

/* ============================ 标签 / 徽章 ============================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  white-space: nowrap;
}
.tag.zh-hans { color: #6ee7b7; border-color: rgba(110, 231, 183, 0.3); }
.tag.zh-hant { color: #7dd3fc; border-color: rgba(125, 211, 252, 0.3); }
.tag.zh-both { color: #c4b5fd; border-color: rgba(196, 181, 253, 0.3); }
.tag.ja       { color: #fda4af; border-color: rgba(253, 164, 175, 0.3); }
.tag.en       { color: #fcd34d; border-color: rgba(252, 211, 77, 0.3); }

.pill-ext {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* ============================ 工具栏（搜索/筛选） ============================ */

.toolbar {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  padding: 14px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}

.toolbar-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1 1 320px;
  min-width: 220px;
}

.search-box input {
  width: 100%;
  padding: 11px 38px 11px 40px;
  border-radius: 11px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  transition: 0.16s;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.16); }
.search-box input::placeholder { color: var(--text-dim); }

.search-box .s-icon {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 15px;
  pointer-events: none;
}

.search-box .s-clear {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  border: 0; background: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 6px;
  display: none;
}
.search-box .s-clear:hover { color: var(--text); background: var(--surface-2); }
.search-box.has-value .s-clear { display: block; }

select.control {
  padding: 11px 13px;
  border-radius: 11px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}
select.control:focus { border-color: var(--accent); }

.chips {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.chip {
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: 0.15s;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.active {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.result-info {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-bottom: 14px;
}
.result-info b { color: var(--text); }

/* ============================ 字幕 / 文件列表 ============================ */

.file-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: 0.15s;
}
.file-row:hover { border-color: var(--border-strong); background: var(--surface-2); }

.file-badge {
  flex: 0 0 auto;
  width: 46px;
  height: 40px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent);
}
.file-badge.ass { color: #7dd3fc; }
.file-badge.srt { color: #6ee7b7; }
.file-badge.vtt { color: #fcd34d; }
.file-badge.ssa { color: #c4b5fd; }

.file-main { flex: 1; min-width: 0; }

.file-name {
  font-weight: 600;
  font-size: 14.5px;
  word-break: break-word;
  line-height: 1.4;
}
.file-name mark {
  background: rgba(255, 180, 84, 0.28);
  color: var(--warn);
  border-radius: 3px;
  padding: 0 2px;
}

.file-sub {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 5px;
  color: var(--text-dim);
  font-size: 12.5px;
}

.file-path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-actions {
  display: flex;
  gap: 7px;
  flex: 0 0 auto;
}

/* ============================ 空态 / 加载 ============================ */

.empty {
  padding: 64px 20px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
}
.empty .big { font-size: 34px; margin-bottom: 12px; opacity: 0.6; }
.empty h3 { margin: 0 0 6px; color: var(--text); font-size: 17px; }
.empty p { margin: 0; font-size: 14px; }

.spinner {
  width: 26px; height: 26px;
  margin: 40px auto;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================ 分页 ============================ */

.pager {
  display: flex;
  gap: 6px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin: 30px 0 10px;
}
.pager button {
  min-width: 36px;
  height: 36px;
  padding: 0 11px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: 0.15s;
}
.pager button:hover:not(:disabled) { color: var(--text); border-color: var(--border-strong); }
.pager button.active { background: var(--grad); border-color: transparent; color: #fff; font-weight: 600; }
.pager button:disabled { opacity: 0.35; cursor: not-allowed; }
.pager .gap { color: var(--text-dim); padding: 0 3px; }

/* ============================ 页脚 ============================ */

.site-footer {
  margin-top: 60px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13.5px;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--accent); }

/* ============================ 页面标题区 ============================ */

.page-head {
  padding: 44px 0 8px;
}
.page-head h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 800;
  letter-spacing: -0.4px;
}
.page-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 680px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--text-muted); }

/* ============================ 提示条 ============================ */

.notice {
  display: flex;
  gap: 12px;
  padding: 14px 17px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
  font-size: 13.8px;
  margin: 18px 0;
}
.notice b { color: var(--text); }

/* ============================ 响应式 ============================ */

@media (max-width: 760px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 16px 16px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 11px 14px; border-radius: 10px; }
  .nav-toggle { display: grid; margin-left: auto; }

  .hero { padding: 48px 0 34px; }
  .grid { grid-template-columns: 1fr; gap: 13px; }

  .file-row { flex-wrap: wrap; }
  .file-actions { width: 100%; }
  .file-actions .btn { flex: 1; justify-content: center; }

  .site-footer .container { flex-direction: column; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* 打印 */
@media print {
  .site-header, .toolbar, .site-footer, .file-actions { display: none !important; }
  body { background: #fff; color: #000; }
}