/* 职责：通用组件——导航/侧边栏/按钮/卡片/表格/表单/标签/模态框/Toast/加载/空态/分页/进度条/代码块 */

/* ===== 顶部导航栏 ===== */
.navbar {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
}

.navbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  gap: var(--space-6);
}

.navbar-brand { display: flex; align-items: center; flex-shrink: 0; }

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-primary);
  font-weight: 700;
}

.brand-logo:hover { color: var(--accent-primary); }
.brand-logo svg { display: block; }
.brand-name { font-size: 17px; }

.brand-tag {
  font-size: var(--text-xs);
  padding: 2px 8px;
  background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(68,138,255,0.2));
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,212,255,0.3);
}

.navbar-links { display: flex; gap: var(--space-1); flex: 1; }

.navbar-links a {
  padding: 7px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-base);
  transition: var(--transition);
}

.navbar-links a:hover { color: var(--text-primary); background: var(--bg-hover); }

.navbar-links a.active {
  color: var(--accent-primary);
  background: var(--accent-bg);
}

.navbar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.auth-links { display: flex; align-items: center; gap: var(--space-2); }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.icon-btn svg { display: block; }

/* ===== 主布局 ===== */
.main-layout { display: flex; min-height: calc(100vh - var(--header-height)); }
.main-layout.with-sidebar .app-sidebar { display: flex; }

/* ===== 侧边栏 ===== */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: none;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-user {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-info));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.sidebar-avatar svg { display: block; }
.sidebar-user-info { min-width: 0; flex: 1; }

.sidebar-user-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-user-email {
  font-size: var(--text-sm);
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-md);
  margin-bottom: 2px;
  transition: var(--transition);
  user-select: none;
  text-align: left;
  width: 100%;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }

.nav-item.active {
  background: linear-gradient(90deg, rgba(0,212,255,0.15), rgba(0,212,255,0.05));
  color: var(--accent-primary);
  border-left: 3px solid var(--accent-primary);
  padding-left: 9px;
}

.nav-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-icon svg { display: block; }

.sidebar-footer { padding: 12px 8px; border-top: 1px solid var(--border-color); }

.sidebar-sponsor-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent-warning);
  font-size: var(--text-md);
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  background: rgba(255,171,0,0.08);
  transition: var(--transition);
}

.sidebar-sponsor-link:hover { background: rgba(255,171,0,0.15); }

.sidebar-qq-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-md);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  transition: var(--transition);
}

.sidebar-qq-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-qq-link svg { flex-shrink: 0; }

.sidebar-footer .nav-item { font-size: var(--text-md); }

.sidebar-overlay { display: none; }

/* ===== 内容区 ===== */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  min-width: 0;
  min-height: 0;
}

/* ===== 页面骨架 ===== */
.page { max-width: 1400px; margin: 0 auto; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: 12px;
  flex-wrap: wrap;
}

.page-title { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.page-subtitle { color: var(--text-muted); font-size: var(--text-md); margin-top: var(--space-1); }

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: var(--space-4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.card-subtitle { font-size: var(--text-sm); color: var(--text-muted); margin-top: 2px; }

/* ===== 网格 ===== */
.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* 桌面三栏 → 平板两栏 → 手机单栏 */
@media (max-width: 1200px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ===== 统计卡片 ===== */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card.accent { border-left: 3px solid var(--accent-primary); }
.stat-card.success { border-left: 3px solid var(--accent-success); }
.stat-card.warning { border-left: 3px solid var(--accent-warning); }
.stat-card.danger { border-left: 3px solid var(--accent-danger); }
.stat-card.info { border-left: 3px solid var(--accent-info); }

.stat-label { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 6px; }

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-trend {
  font-size: var(--text-xs);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-muted);
}

.stat-trend.up { color: var(--accent-success); }
.stat-trend.down { color: var(--accent-danger); }
.stat-trend.flat { color: var(--text-muted); }

/* ===== 表格 ===== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

table.data-table { width: 100%; border-collapse: collapse; font-size: var(--text-md); }

table.data-table thead { background: var(--bg-secondary); }

table.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  user-select: none;
  transition: color 0.15s;
}

table.data-table th[data-sort] { cursor: pointer; }
table.data-table th[data-sort]:hover { color: var(--text-primary); }
table.data-table th.sort-asc::after { content: " ↑"; color: var(--accent-primary); }
table.data-table th.sort-desc::after { content: " ↓"; color: var(--accent-primary); }

table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

table.data-table tbody tr { transition: background 0.15s; }
table.data-table tbody tr:hover { background: var(--bg-hover); }
/* 斑马纹 */
table.data-table tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.015); }
table.data-table tbody tr:nth-child(even):hover { background: var(--bg-hover); }
table.data-table tbody tr:last-child td { border-bottom: none; }

table.data-table td.numeric,
table.data-table th.numeric { text-align: right; font-variant-numeric: tabular-nums; }
table.data-table td.muted { color: var(--text-muted); }

/* Token 颜色编码 */
.token-in { color: var(--accent-info); }
.token-out { color: var(--accent-success); }
.token-total { color: var(--accent-warning); font-weight: 600; }
.token-cell { display: inline-flex; gap: var(--space-1); align-items: center; }

/* ===== 状态标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: rgba(90, 97, 136, 0.15);
  color: var(--text-muted);
  line-height: 1.5;
}

.tag.active { background: rgba(0,230,118,0.15); color: var(--status-active); }
.tag.cooling { background: rgba(255,82,82,0.15); color: var(--status-cooling); }
.tag.softbusy { background: rgba(255,171,0,0.15); color: var(--status-softbusy); }
.tag.isolated { background: rgba(90,97,136,0.2); color: var(--status-isolated); }
.tag.info { background: rgba(68,138,255,0.15); color: var(--accent-info); }
.tag.warning { background: rgba(255,171,0,0.15); color: var(--accent-warning); }
.tag.danger { background: rgba(255,82,82,0.15); color: var(--accent-danger); }
.tag.success { background: rgba(0,230,118,0.15); color: var(--accent-success); }
.tag.accent { background: rgba(0,212,255,0.15); color: var(--accent-primary); }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--space-1);
  flex-shrink: 0;
}

.status-dot.active { background: var(--status-active); }
.status-dot.cooling { background: var(--status-cooling); }
.status-dot.softbusy { background: var(--status-softbusy); }
.status-dot.isolated { background: var(--status-isolated); }
.status-dot.info { background: var(--accent-info); }
.status-dot.muted { background: var(--text-muted); }
.status-dot.normal { background: var(--accent-success); }
.status-dot.warning { background: var(--accent-warning); }
.status-dot.abnormal { background: var(--accent-danger); }

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ===== 按钮（sm / md / lg 三档 + 表格用 xs） ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--text-md);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.btn:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 1px; }
.btn svg { display: block; flex-shrink: 0; }

.btn.primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-info));
  color: #0a0e27;
  border-color: transparent;
  font-weight: 600;
}

.btn.primary:hover { filter: brightness(1.1); box-shadow: var(--shadow-glow); color: #0a0e27; }

.btn.danger {
  background: rgba(255,82,82,0.15);
  color: var(--accent-danger);
  border-color: rgba(255,82,82,0.3);
}

.btn.danger:hover { background: rgba(255,82,82,0.25); color: var(--accent-danger); }

.btn.success {
  background: rgba(0,230,118,0.15);
  color: var(--accent-success);
  border-color: rgba(0,230,118,0.3);
}

.btn.ghost { background: transparent; color: var(--text-secondary); border-color: transparent; }
.btn.ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn.sm { padding: 4px 10px; height: 28px; font-size: var(--text-sm); }
.btn.xs { padding: 2px 8px; height: 24px; font-size: var(--text-xs); }
.btn.lg { padding: 10px 24px; height: 44px; font-size: 15px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.copied { border-color: var(--accent-success); color: var(--accent-success); }

.btn-group { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* ===== 表单 ===== */
.input, .select, textarea.input {
  width: 100%;
  padding: 8px 12px;
  height: 36px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-md);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b92b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.input:focus, .select:focus, textarea.input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(0,212,255,0.15);
}

.input::placeholder { color: var(--text-muted); }
.input:disabled { opacity: 0.6; cursor: not-allowed; }

textarea.input { height: auto; min-height: 80px; resize: vertical; line-height: 1.5; }

.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .input { padding-right: 36px; }

.input-suffix {
  position: absolute;
  right: var(--space-2);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.input-suffix:hover { color: var(--text-primary); background: var(--bg-hover); }

.input-group { display: flex; gap: var(--space-2); align-items: stretch; }
.input-group .input { flex: 1; }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-md);
  color: var(--text-secondary);
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 2px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent-primary);
  flex-shrink: 0;
}

/* ===== 工具栏 / 搜索框 ===== */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.search-box { position: relative; flex: 1; min-width: 200px; max-width: 320px; }
.search-box .input { padding-left: 32px; }

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  display: flex;
  pointer-events: none;
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.show { display: flex; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 540px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: pageIn 0.2s ease both;
}

.modal.modal-lg { max-width: 720px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
}

.modal-title { font-size: var(--text-lg); font-weight: 600; color: var(--text-primary); }

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body { padding: var(--space-5); overflow-y: auto; flex: 1; }

.modal-footer {
  padding: 12px var(--space-5);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ===== Toast 通知 ===== */
.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: var(--text-md);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  max-width: 360px;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
  pointer-events: all;
}

.toast.show { opacity: 1; transform: translateX(0); }
.toast-icon { display: flex; flex-shrink: 0; }
.toast-msg { flex: 1; }

.toast-success { border-left: 3px solid var(--accent-success); }
.toast-success .toast-icon { color: var(--accent-success); }
.toast-error { border-left: 3px solid var(--accent-danger); }
.toast-error .toast-icon { color: var(--accent-danger); }
.toast-warn { border-left: 3px solid var(--accent-warning); }
.toast-warn .toast-icon { color: var(--accent-warning); }
.toast-info { border-left: 3px solid var(--accent-info); }
.toast-info .toast-icon { color: var(--accent-info); }

/* ===== 加载状态与骨架屏 ===== */
.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px var(--space-5);
  gap: 12px;
  color: var(--text-muted);
}

.loader-spinner { display: flex; color: var(--accent-primary); }
.loader-spinner svg { display: block; }
.loader-text { font-size: var(--text-md); }

.skeleton { padding: var(--space-4); display: flex; flex-direction: column; gap: 10px; }

.skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--bg-input) 25%, var(--bg-hover) 50%, var(--bg-input) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite linear;
}

.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-40 { width: 40%; }
.skeleton-line.h-24 { height: 24px; }

/* ===== 空状态 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px var(--space-5);
  gap: 12px;
  color: var(--text-muted);
}

.empty-icon { display: flex; color: var(--text-muted); opacity: 0.5; }
.empty-text { font-size: var(--text-md); text-align: center; }

/* ===== 分页器 ===== */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-4);
  gap: 12px;
  flex-wrap: wrap;
}

.pagination-info { font-size: var(--text-sm); color: var(--text-muted); }
.pagination-controls { display: flex; gap: var(--space-1); align-items: center; }
.page-ellipsis { color: var(--text-muted); padding: 0 var(--space-1); }

/* ===== 进度条 ===== */
.progress-bar {
  position: relative;
  display: flex;
  align-items: center;
  height: 18px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-width: 100px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-info));
  transition: width 0.3s ease;
  border-radius: var(--radius-sm);
}

.progress-fill.active { background: var(--accent-success); }
.progress-fill.cooling { background: var(--accent-danger); }
.progress-fill.softbusy { background: var(--accent-warning); }
.progress-fill.info { background: var(--accent-info); }

.progress-bar span {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  color: var(--text-primary);
  text-shadow: 0 0 4px rgba(0,0,0,0.5);
  white-space: nowrap;
}

/* ===== 代码块 ===== */
.code-block {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-2) 0;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.code-block pre { padding: 12px; overflow-x: auto; font-size: var(--text-md); line-height: 1.6; }

.code-block code {
  color: var(--accent-primary);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
}

/* ===== API URL 区域 ===== */
.api-url-section { display: flex; flex-direction: column; gap: 12px; }
.api-urls { display: flex; flex-direction: column; gap: var(--space-2); }

.api-url-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.api-url-label { font-size: var(--text-sm); color: var(--text-muted); min-width: 80px; }

.api-url-row code { flex: 1; color: var(--accent-primary); font-size: var(--text-sm); word-break: break-all; }

/* ===== 警告框 ===== */
.alert {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  margin-bottom: 12px;
}

.alert-warning { background: rgba(255,171,0,0.1); border: 1px solid rgba(255,171,0,0.3); color: var(--accent-warning); }
.alert-info { background: rgba(68,138,255,0.1); border: 1px solid rgba(68,138,255,0.3); color: var(--accent-info); }
.alert svg { flex-shrink: 0; }

/* ===== 图表（手写 SVG） ===== */
.chart-wrap { padding: var(--space-3) 0; }
.chart-svg { width: 100%; height: auto; display: block; }
.chart-svg .axis-label { fill: var(--text-muted); font-size: 10px; }
.chart-svg .grid-line { stroke: var(--border-light); stroke-width: 1; }
.chart-legend { display: flex; gap: var(--space-4); margin-top: var(--space-2); font-size: var(--text-sm); color: var(--text-secondary); }

/* 状态/模型分布条 */
.dist-list { display: flex; flex-direction: column; gap: 12px; padding: var(--space-2) 0; }
.dist-item { display: flex; flex-direction: column; gap: var(--space-1); }
.dist-label { display: flex; align-items: center; gap: 6px; font-size: var(--text-sm); color: var(--text-secondary); }
.dist-label .muted { margin-left: auto; }

/* ===== 移动端导航（抽屉侧边栏） ===== */
.hamburger-btn { display: none; }

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .navbar-inner { padding: 0 var(--space-4); }

  .hamburger-btn {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
  }

  .hamburger-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

  .sidebar-overlay.active {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: var(--z-overlay);
  }

  .app-sidebar {
    position: fixed;
    z-index: var(--z-sidebar);
    height: calc(100vh - var(--header-height));
    top: var(--header-height);
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .app-sidebar.mobile-open { transform: translateX(0); }
  .content-area { padding: var(--space-4); }
}

@media (max-width: 480px) {
  .nav-item { font-size: var(--text-base); min-height: 44px; padding: 12px; }
  .btn { min-height: 40px; }
  .icon-btn { width: 44px; height: 44px; }
  .stat-value { font-size: 18px; }
  .content-area { padding: 12px; }
}