/* ============================================================
   基础变量与重置
   ============================================================ */
:root {
  /* === 藏青色板 === */
  --sidebar-bg: #0A1628;
  --main-bg: #0A1628;
  --bg-primary: #0A1628;
  --bg-card: #142339;
  --bg-hover: #1B2D4A;
  --card-bg: #142339;

  /* === 强调色（克制使用） === */
  --primary: #00D4FF;
  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.08);
  --info: #00D4FF;

  /* === 功能色 === */
  --success: #3FB950;
  --warn: #D29922;
  --error: #F85149;

  /* === 文字 === */
  --text-main: #E6EDF3;
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-muted: #6E7681;

  /* === 边框与阴影 === */
  --border: rgba(48, 54, 61, 0.6);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

  /* === 兼容旧变量（渐进迁移） === */
  --neon-glow: none;
  --neon-green: none;
  --neon-orange: none;
  --neon-red: none;
  --neon-muted: none;
  --cyan: #00D4FF;
  --bevel: 8px;
}
/* 全局 a 标签重置 — 防止浏览器默认蓝色+下划线 */
a { text-decoration: none; color: inherit; }
a:hover { text-decoration: none; }


/* ============================================================
   白色主题（用户可切换）
   ============================================================ */
body.light-theme {
  --bg-main: #f5f7fa;
  --bg-card: #ffffff;
  --bg-hover: #eef0f3;
  --text-primary: #1f2937;
  --text-secondary: #57606A;
  --text-muted: #656D76;
  --border: #e5e7eb;
  --sidebar-bg: #f0f2f5;
  --card-bg: #ffffff;
  --text-main: #24292F;
  --main-bg: #f5f7fa;
  --bg-primary: #f5f7fa;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);}
body.light-theme html, body.light-theme {
  background-image: none;
}
body.light-theme .sidebar {
  background: var(--sidebar-bg) !important;
  border-right: 1px solid #e5e7eb;
  box-shadow: none;
}
body.light-theme .sidebar .logo {
  color: #1f2937;
  text-shadow: none;
}
body.light-theme .topbar {
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border-bottom: none;
}
body.light-theme .topbar .title { text-shadow: none; }
body.light-theme .metric-card { box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
body.light-theme .chart-card { box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
body.light-theme .action-item { box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
body.light-theme .modal { background: #fff; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
body.light-theme .btn-primary { background: var(--primary); color: #fff; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--main-bg);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; }


/* ============================================================
   布局：侧边栏 + 主区域
   ============================================================ */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px;
  background: var(--sidebar-bg);
  color: #c7d0dc;
  display: flex;
  flex-direction: column;
  padding: 18px 0;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
}
.sidebar .logo {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  padding: 0 22px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  letter-spacing: .5px;
}
.admin-only { display: none; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: background .2s, color .2s;
  border-left: 3px solid transparent;
  user-select: none;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-main); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-left-color: var(--accent);
}
.nav-item .nav-icon { font-size: 16px; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }


/* ============================================================
   顶部栏
   ============================================================ */
.topbar {
  background: rgba(13, 17, 23, 0.9);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.topbar .title { font-size: 18px; font-weight: 600; color: var(--text-main);  }
.topbar .title .sub { color: var(--text-muted); font-size: 13px; font-weight: 400; margin-left: 8px; }
.topbar .right { display: flex; align-items: center; gap: 16px; }
.topbar .clock { color: var(--text-muted); font-size: 13px; font-variant-numeric: tabular-nums; }

.btn {
  border: none;
  cursor: pointer;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  transition: opacity .2s, background .2s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { cursor: not-allowed; opacity: .6; }
.btn-primary { background: var(--accent); color: #0A1628; font-weight: 600; border: none; }
.btn-primary:hover { filter: brightness(1.15); }
.btn-secondary { background: transparent; color: var(--text-main); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: none; }
.btn-ghost:hover { color: var(--text-main); }
.btn-text { background: none; color: var(--text-secondary); padding: 4px 8px; }
.btn-text:hover { color: var(--accent); }


/* ============================================================
   内容区
   ============================================================ */
.content { padding: 20px 24px; flex: 1; }
.section { margin-bottom: 22px; }
.section-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-title .left { display: flex; align-items: center; gap: 8px; }
.section-title .bar { width: 4px; height: 16px; background: var(--accent); border-radius: 2px; }

/* ============================================================
   共用组件样式 — 核心3页统一
   ============================================================ */

/* Tab 栏（dashboard/chat/checkout 共用） */
.tab-bar {
  display: flex; gap: 4px; margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  padding: 10px 20px; font-size: 14px; cursor: pointer;
  border: none; background: transparent; color: var(--text-muted);
  border-bottom: 2px solid transparent; transition: all 0.15s;
}
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Toast 通知（checkout/chat 共用） */
.toast {
  position: fixed; top: 20px; right: 20px; z-index: 2000;
  padding: 12px 20px; border-radius: 8px; font-size: 14px; font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2); opacity: 0; transform: translateY(-10px);
  transition: all 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); color: #000; }
.toast-error { background: var(--error); color: #fff; }
.toast-info { background: var(--info); color: #000; }

/* 加载动画（checkout/dashboard 共用） */
.loading { text-align: center; padding: 60px 0; color: var(--text-muted); }
.loading .spinner {
  width: 32px; height: 32px; border: 3px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin 0.8s linear infinite; margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 进度条（chat/dashboard 共用） */
.progress-bar {
  height: 6px; background: rgba(0,212,255,0.08);
  border-radius: 3px; overflow: hidden; position: relative;
}
.progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 3px; transition: width .5s ease; position: relative;
}


/* ============================================================
   响应式适配 — 统一断点: 1024px(平板横) / 768px(平板竖) / 480px(手机)
   ============================================================ */

/* ===== 平板横屏 (<= 1024px) ===== */
@media (max-width: 1024px) {
  .sidebar { width: 180px; }
  .metrics-grid { grid-template-columns: repeat(4, 1fr); }
  .quota-grid { grid-template-columns: repeat(3, 1fr); }
  .content { padding: 16px 20px; }
}

/* ===== 平板竖屏 (<= 768px) — 侧边栏折叠 ===== */
@media (max-width: 768px) {
  .layout { flex-direction: column; }
  
  /* 侧边栏变为顶部水平栏 */
  .sidebar {
    width: 100%;
    height: auto;
    flex-direction: row;
    padding: 8px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    white-space: nowrap;
  }
  .sidebar .logo {
    padding: 0 12px 0 0;
    border-bottom: none;
    border-right: 1px solid var(--border);
    margin-bottom: 0;
    margin-right: 8px;
    font-size: 15px;
  }
  .nav-item {
    padding: 8px 12px;
    border-left: none;
    border-bottom: 3px solid transparent;
    flex-shrink: 0;
  }
  .nav-item:hover { border-bottom-color: var(--primary); }
  .nav-item.active {
    border-left: none;
    border-bottom-color: var(--primary);
  }
  
  /* 顶部栏简化 */
  .topbar { padding: 0 16px; height: 50px; }
  .topbar .title { font-size: 16px; }
  .topbar .clock { display: none; }
  
  /* 内容区 */
  .content { padding: 12px 16px; }
  
  /* 指标卡 */
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .quota-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-card { padding: 14px 12px; }
  .metric-card .metric-value { font-size: 22px; }
  
  /* 图表 */
  .charts-grid { grid-template-columns: 1fr; }
  
  /* 按钮增大触摸区域 */
  .btn { padding: 10px 18px; font-size: 14px; }
  
  /* Tab 栏 */
  .tab-bar { overflow-x: auto; }
  .tab-btn { padding: 10px 14px; font-size: 13px; white-space: nowrap; }
}

/* ===== 手机 (<= 480px) ===== */
@media (max-width: 480px) {
  .sidebar { padding: 6px 8px; }
  .sidebar .logo { font-size: 13px; padding-right: 8px; margin-right: 4px; }
  .nav-item { padding: 6px 8px; font-size: 12px; }
  .nav-item .nav-icon { font-size: 14px; }
  
  .topbar { padding: 0 12px; height: 46px; }
  .topbar .title { font-size: 14px; }
  .topbar .title .sub { display: none; }
  .topbar .right { gap: 8px; }
  
  .content { padding: 8px 10px; }
  
  /* 指标卡单列 */
  .metrics-grid { grid-template-columns: 1fr; }
  .quota-grid { grid-template-columns: 1fr; }
  
  /* 图表卡片 */
  .chart-card { padding: 12px; }
  
  /* 弹窗全屏 */
  .modal {
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    max-height: 100% !important;
    border-radius: 0 !important;
    margin: 0 !important;
  }
  
  /* Toast 全宽 */
  .toast {
    left: 12px;
    right: 12px;
    top: 12px;
    text-align: center;
  }
  
  /* Tab 按钮 */
  .tab-btn { padding: 8px 10px; font-size: 12px; }
  
  /* 按钮 */
  .btn { padding: 12px 20px; font-size: 14px; width: 100%; }
  .btn-ghost { width: auto; }
}

/* ===== 触摸设备适配 ===== */
@media (hover: none) and (pointer: coarse) {
  .nav-item:hover { background: transparent; }
  .metric-card:hover { transform: none; }
  .btn:hover { opacity: 0.85; }
}

/* ══ Q3 可视化隐藏（全局，看板等其他页面） ══ */
#q3-status-indicator { display: none !important; }
.q3-status { display: none !important; }
/* ══ Q3 可视化隐藏 END ══ */

/* ============================================================
   共享侧边栏样式（_sidebar.html）— v2 追加到 base.css
   ============================================================ */

/* sidebar-logo 可点击 */
/* 品牌条 — 主题自适应 */
.sidebar .sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  padding: 0 16px;
  background: var(--sidebar-bg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.sidebar .sidebar-logo:hover { opacity: 0.9; }
.sidebar .sidebar-logo .brand-logo-img {
  height: 48px;
  width: auto;
  margin: 0;
  padding: 0;
  display: none;
  object-fit: contain;
}
.sidebar .sidebar-logo .brand-logo-img.compact { height: 32px; }
/* 暗色主题：显示暗色版 logo */
body:not(.light-theme) .sidebar .sidebar-logo .logo-dark { display: block; }
body:not(.light-theme) .sidebar .sidebar-logo .logo-light { display: none; }
/* 亮色主题：显示亮色版 logo */
body.light-theme .sidebar .sidebar-logo .logo-dark { display: none; }
body.light-theme .sidebar .sidebar-logo .logo-light { display: block; }
/* 亮色主题品牌条：白色背景 + 浅色分隔线 */
body.light-theme .sidebar .sidebar-logo {
  background: #FFFFFF;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
body.light-theme .sidebar .sidebar-logo .logo-light { display: block; }
/* 亮色主题品牌条：白色背景 + 浅色分隔线 */
body.light-theme .sidebar .sidebar-logo {
  background: #FFFFFF;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* ── 分组样式 ── */
.nav-group {
  display: flex;
  flex-direction: column;
}
.nav-group-label {
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(199, 208, 220, 0.4);
  padding: 14px 22px 4px;
  font-weight: 600;
  letter-spacing: 0.5px;
  user-select: none;
}
.nav-group-bottom {
  margin-top: auto;
}

/* ── 折叠组 (details/summary) ── */
details.nav-group-collapsible {
  padding: 0;
}
details.nav-group-collapsible > summary.nav-group-toggle {
  list-style: none;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(199, 208, 220, 0.4);
  padding: 14px 22px 4px;
  font-weight: 600;
  letter-spacing: 0.5px;
  user-select: none;
  transition: color .2s;
}
details.nav-group-collapsible > summary.nav-group-toggle:hover {
  color: #fff;
}
details.nav-group-collapsible > summary.nav-group-toggle::-webkit-details-marker {
  display: none;
}
details.nav-group-collapsible > summary.nav-group-toggle::before {
  content: '▸ ';
  display: inline-block;
  width: 12px;
}
details.nav-group-collapsible[open] > summary.nav-group-toggle::before {
  content: '▾ ';
}
details.nav-group-collapsible > .nav-item {
  padding-left: 30px;
}

/* ── Compact 模式：窄边栏，图标+小字 ── */
.sidebar-compact {
  width: 130px !important;
  padding: 14px 0 !important;
  align-items: stretch;
  gap: 0;
}
/* .sidebar-compact .sidebar-logo removed */
.sidebar-compact .nav-item {
  justify-content: flex-start;
  padding: 9px 14px;
  border-left: 3px solid transparent;
  width: auto;
  height: auto;
  border-radius: 0;
  gap: 6px;
  font-size: 12px;
}
.sidebar-compact .nav-item.active {
  border-left: 3px solid var(--primary);
  background: rgba(0, 212, 255, 0.1);
  border-radius: 0;
}
.sidebar-compact .nav-label {
  display: inline;
  font-size: 12px;
}
.sidebar-compact .nav-icon {
  font-size: 14px;
}
.sidebar-compact .nav-group-collapsible {
  display: none;
}
.sidebar-compact .nav-group-bottom {
  margin-top: auto;
}

/* ── 浅色主题适配 ── */
body.light-theme .nav-group-label,
body.light-theme .nav-group-toggle {
  color: rgba(100, 116, 139, 0.5);
}
body.light-theme .nav-group-toggle:hover {
  color: var(--text);
}

body.light-theme .sidebar .nav-group-label {
  color: #9ca3af;
}
body.light-theme .sidebar .nav-item,
body.light-theme .sidebar .nav-group-toggle {
  color: #57606A;
}
body.light-theme .sidebar .nav-item:hover {
  background: rgba(0,0,0,0.04);
  color: #1f2937;
}
body.light-theme .sidebar .nav-item.active {
  background: rgba(0,212,255,0.08);
  color: #2c5aa0;
}
body.light-theme .sidebar .nav-group summary {
  color: #6b7280;
}


/* ============================================================
   组件级规范（按钮/表单/表格）
   ============================================================ */

/* === 表单 === */
.input, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea, select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.input::placeholder, input::placeholder { color: var(--text-muted); }
.input.error, input.error { border-color: var(--error); }
.input:disabled, input:disabled { opacity: 0.5; cursor: not-allowed; }

/* === 表格 === */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th {
  background: var(--bg-hover);
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}
.table tbody tr:hover { background: var(--bg-hover); }
.table tbody tr:last-child td { border-bottom: none; }

/* === 状态标签 === */
.badge-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.badge-success { background: rgba(63, 185, 80, 0.12); color: var(--success); }
.badge-warn { background: rgba(210, 153, 34, 0.12); color: var(--warn); }
.badge-error { background: rgba(248, 81, 73, 0.12); color: var(--error); }
.badge-info { background: var(--accent-dim); color: var(--accent); }

/* === 空状态 === */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* === 卡片 === */
.card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* === 统计卡片 === */
.stat-card {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}
.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.stat-card .stat-trend {
  font-size: 12px;
  margin-top: 8px;
}
.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--error); }


/* === 亮色主题补充：文字对比度修复 === */
body.light-theme .metric-card .metric-label,
body.light-theme .quota-card .quota-label {
  color: #57606A !important;
}
body.light-theme .chart-card .chart-title,
body.light-theme .section-title,
body.light-theme .panel-title,
body.light-theme .card-title {
  color: #24292F !important;
}
body.light-theme .chart-card .chart-subtitle,
body.light-theme .section-subtitle {
  color: #656D76 !important;
}
body.light-theme .nav-group-label,
body.light-theme .nav-group-toggle {
  color: #656D76 !important;
}
body.light-theme .metric-card .metric-value {
  color: #24292F !important;
}
body.light-theme .metric-card.accent-blue .metric-value {
  color: #0969DA !important;
}

/* === 亮色主题补充：区域背景统一 === */
body.light-theme .main {
  background: #F6F8FA !important;
}
body.light-theme .content {
  background: #F6F8FA !important;
}
body.light-theme .topbar {
  background: #ffffff !important;
  border-bottom: 1px solid #e5e7eb !important;
}
body.light-theme .sidebar {
  background: #f0f2f5 !important;
}
body.light-theme .layout {
  background: #F6F8FA !important;
}
body.light-theme .no-data {
  color: #656D76 !important;
}
body.light-theme .empty-state {
  color: #656D76 !important;
}
body.light-theme .modal-overlay {
  background: rgba(0,0,0,0.3) !important;
}
body.light-theme .modal {
  background: #ffffff !important;
  border: 1px solid #e5e7eb !important;
}
body.light-theme .toast {
  background: #24292F !important;
  color: #ffffff !important;
}

/* ══ 导航状态码（st-code）：仅对话页皮肤显示，其他页面一律隐藏 ══ */
/* 默认隐藏写在 base.css 末尾（源顺序最后 + !important），
   chat.css 中用更高特异性 .sidebar-compact .st-code 覆盖显示 */
.st-code { display: none !important; }