/* ====== Sinodata · Sinodata 样式 ====== */
:root {
  --bg-deep: #0a0a14;
  --bg-main: #111122;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-input: #0d0d1a;
  --gold: #c9a95c;
  --gold-light: #e8d48a;
  --gold-dark: #a8863a;
  --red: #c44545;
  --red-light: #e06060;
  --ink: #e8e0d0;
  --ink-dim: #9088a0;
  --ink-muted: #5a5470;
  --border: #2a2a40;
  --border-light: #3a3a55;
  --shadow: rgba(0,0,0,.4);
  --radius: 12px;
  --radius-sm: 8px;
  --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --sidebar-w: 220px;
  --header-h: 0;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--ink);
  display: flex;
  min-height: 100vh;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ====== 滚动条 ====== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-muted); }

/* ====== 侧栏 ====== */
#sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-main);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-header {
  padding: 28px 20px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.logo-icon { font-size: 32px; }
.logo-zh {
  display: block;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 4px;
}
.logo-en {
  display: block;
  font-size: 10px;
  color: var(--ink-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition);
  cursor: pointer;
}
.nav-item:hover { background: var(--bg-card); color: var(--ink); }
.nav-item.active { background: var(--bg-card); color: var(--gold); }
.nav-icon { font-size: 18px; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.studio { color: var(--gold-dark); }

.lang-switcher {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}
.lang-btn {
  padding: 3px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--ink-muted);
  font-size: 10px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}
.lang-btn:hover { border-color: var(--gold-dark); color: var(--ink); }
.lang-btn.active {
  background: var(--gold);
  color: #111;
  border-color: var(--gold);
  font-weight: 600;
}

/* ====== 主内容 ====== */
#mainContent {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  position: relative;
}
#pageContent {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 32px 80px;
}

/* ====== 汉堡按钮 ====== */
#menuToggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ====== 页面通用 ====== */
.page { animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.page-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--gold);
}
.page-subtitle {
  color: var(--ink-dim);
  font-size: 14px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-divider {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border-light), transparent);
}

/* ====== 卡片 ====== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all var(--transition);
}
.card:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
.card-glow:hover { box-shadow: 0 0 20px rgba(201,169,92,.08); }

.card-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ====== 输入 ====== */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.search-bar input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}
.search-bar input:focus { border-color: var(--gold); }
.search-bar input::placeholder { color: var(--ink-muted); }

select {
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}
select:focus { border-color: var(--gold); }

/* ====== 按钮 ====== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--gold); color: #111; }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-secondary { background: var(--bg-card); color: var(--ink); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: var(--red-light); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-icon { width: 36px; height: 36px; padding: 0; justify-content: center; }

/* ====== 结果列表 ====== */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: all var(--transition);
  cursor: pointer;
}
.result-card:hover { border-color: var(--gold-dark); }
.result-card h4 {
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 16px;
  margin-bottom: 4px;
}
.result-card .meta {
  color: var(--ink-muted);
  font-size: 12px;
  margin-bottom: 6px;
}
.result-card .preview {
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.result-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }

/* ====== 分页 ====== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.pagination .page-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
}
.pagination .page-btn:hover { border-color: var(--gold); color: var(--gold); }
.pagination .page-btn.active { background: var(--gold); color: #111; border-color: var(--gold); font-weight: 600; }
.pagination .page-info { color: var(--ink-muted); font-size: 13px; padding: 0 8px; }

/* ====== 加载 & 空态 ====== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 0;
  color: var(--ink-muted);
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 48px 0;
  color: var(--ink-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; display: block; }

/* ====== 统计卡片 ====== */
.stat-card {
  text-align: center;
  padding: 24px 16px;
}
.stat-number {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label { color: var(--ink-dim); font-size: 13px; margin-top: 8px; }
.stat-icon { font-size: 28px; margin-bottom: 8px; display: block; }

/* ====== 首页快捷卡片 ====== */
.quick-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
}
.quick-card .q-icon { font-size: 32px; }
.quick-card .q-info { flex: 1; }
.quick-card .q-title { font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.quick-card .q-desc { color: var(--ink-dim); font-size: 12px; }

/* ====== 诗歌特殊样式 ====== */
.poem-paragraphs {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 2;
  color: var(--ink);
  white-space: pre-line;
  padding: 8px 0;
}
.poem-title-lg { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--gold); }
.poem-author { color: var(--ink-dim); font-size: 13px; margin-top: 4px; }
.poem-dynasty {
  display: inline-block;
  background: var(--gold-dark);
  color: #111;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  margin-top: 8px;
}

/* ====== 二十四史 ====== */
.book-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.book-card .book-title { color: var(--gold); font-weight: 600; font-size: 15px; }
.book-card .book-meta { color: var(--ink-muted); font-size: 12px; }
.book-card .book-stats {
  display: flex;
  gap: 16px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink-dim);
}

/* ====== 命理 ====== */
.fortune-today {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1d1d35 100%);
  border: 1px solid var(--gold-dark);
}
.fortune-today .ft-label { color: var(--gold); font-size: 12px; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 4px; }
.fortune-today .ft-value { font-family: var(--font-serif); font-size: 18px; color: var(--ink); }

.yijing-card .gua-name { color: var(--gold); font-family: var(--font-serif); font-size: 20px; font-weight: 700; }
.yijing-card .gua-judgment { color: var(--ink-dim); font-size: 14px; margin-top: 8px; }

/* ====== 弹窗 ====== */
#modalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
  backdrop-filter: blur(4px);
}
#modalOverlay.hidden { display: none; }
#modalBox {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  animation: modalIn .3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(20px); } }
#modalClose {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px; height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
#modalClose:hover { background: var(--red); color: #fff; border-color: var(--red); }
#modalBody { padding-top: 4px; }

/* ====== Tags / 标签 ====== */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--ink-dim);
}
.tag-gold { border-color: var(--gold-dark); color: var(--gold); }

/* ====== API 文档 ====== */
.doc-group { padding: 20px 24px; }
.doc-endpoint {
  margin: 12px 0;
  padding: 12px 16px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.doc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.doc-method {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 1px;
}
.doc-get { background: #1a4a3a; color: #4ade80; }
.doc-post { background: #1a3a4a; color: #60a5fa; }
.doc-delete { background: #4a1a1a; color: #f87171; }
.doc-path {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--gold);
}
.doc-desc { font-size: 13px; color: var(--ink-dim); margin-left: auto; }
.doc-params {
  width: 100%;
  margin-top: 8px;
  font-size: 12px;
  border-collapse: collapse;
}
.doc-params th {
  text-align: left;
  padding: 6px 12px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.doc-params td {
  padding: 5px 12px;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--border);
}
.doc-params td code {
  font-family: 'SF Mono', monospace;
  font-size: 12px;
  color: var(--ink);
  background: var(--bg-input);
  padding: 1px 5px;
  border-radius: 3px;
}
.doc-no-params { font-size: 12px; color: var(--ink-muted); margin-top: 4px; font-style: italic; }
.doc-code-block {
  background: #0a0a12;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 12px 0;
  overflow: hidden;
}
.doc-code-title {
  background: var(--bg-card);
  padding: 6px 14px;
  font-size: 11px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.doc-code-block pre {
  padding: 12px 16px;
  margin: 0;
  overflow-x: auto;
}
.doc-code-block code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.7;
  white-space: pre;
}

/* ====== 定价 ====== */
.pricing-card { position: relative; transition: all .3s ease; }
.pricing-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.pricing-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--gold);
  color: #111;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* ====== 数据目录 ====== */
.catalog-card { transition: all .3s ease; }
.catalog-card:hover { transform: translateX(4px); border-color: var(--gold); }

/* ====== 开发者 Dashboard ====== */
.dash-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
}
.dash-tab {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--ink-dim);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.dash-tab:hover { color: var(--ink); }
.dash-tab.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.dash-panel {
  display: none;
  padding: 20px 0;
  animation: fadeIn .25s ease;
}
.dash-panel.active { display: block; }

.usage-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 120px;
  padding: 10px 0;
}
.usage-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}
.usage-bar {
  width: 100%;
  max-width: 20px;
  background: linear-gradient(to top, var(--gold-dark), var(--gold));
  border-radius: 2px 2px 0 0;
  min-height: 2px;
  transition: height .3s ease;
  cursor: pointer;
}
.usage-bar:hover { opacity: .8; }
.usage-bar-label {
  font-size: 8px;
  color: var(--ink-muted);
  margin-top: 4px;
  transform: rotate(-45deg);
  white-space: nowrap;
}

.dash-doc-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.dash-doc-card {
  text-align: center;
  padding: 20px 16px;
  cursor: pointer;
  transition: all var(--transition);
}
.dash-doc-card:hover { border-color: var(--gold); transform: translateY(-2px); }

/* ====== 小工具 Demo ====== */
.playground-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
}
.playground-tab {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--ink-dim);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.playground-tab:hover { color: var(--ink); }
.playground-tab.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.playground-panel {
  display: none;
  padding: 20px 0;
  animation: fadeIn .25s ease;
}
.playground-panel.active { display: block; }

/* ====== 响应式 ====== */
@media (max-width: 768px) {
  #sidebar {
    transform: translateX(-100%);
  }
  #sidebar.open { transform: translateX(0); }
  #mainContent { margin-left: 0; }
  #menuToggle { display: flex; }
  #pageContent { padding: 60px 16px 40px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .page-title { font-size: 22px; }
  .stat-number { font-size: 28px; }
  .search-bar { flex-direction: column; }
  .search-bar input { min-width: auto; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ====== Toast 通知 ====== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--gold-dark);
  color: var(--gold);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  z-index: 600;
  animation: toastIn .3s ease, toastOut .3s ease 2.5s forwards;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(-50%) translateY(-10px); } }

/* ====== 特殊装饰 ====== */
.divider-text {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--ink-muted);
  font-size: 12px;
}
.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light), transparent);
}

.ink-brush {
  display: inline-block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 8px 0;
}