/* ============================================
   CSS Variables - Design System
   ============================================ */
:root {
  /* Background Layers */
  --bg-primary: #0a0c10;
  --bg-secondary: #111318;
  --bg-tertiary: #1a1d24;
  --bg-elevated: #21262d;
  
  /* Borders */
  --border-primary: #1f232c;
  --border-secondary: #2a2d35;
  --border-focus: #2f81f7;
  
  /* Text */
  --text-primary: #e6e8ec;
  --text-secondary: #8b949e;
  /* 对比度 ≥4.5:1（WCAG AA）：#8b949e 在 --bg-primary 上 ≈6.4:1，在 --bg-tertiary 上 ≈5.5:1 */
  --text-tertiary: #8b949e;
  /* 对比度 ≈4.25:1，仅用于禁用态（装饰性），不再用于关键信息 */
  --text-disabled: #6e7681;
  
  /* Accent */
  --accent-primary: #2f81f7;
  --accent-hover: #388bfd;
  --accent-active: #1f6feb;
  
  /* Status Colors */
  --success: #3fb950;
  --success-bg: rgba(63, 185, 80, 0.12);
  --warning: #f0883e;
  --warning-bg: rgba(240, 136, 62, 0.12);
  --danger: #f85149;
  --danger-bg: rgba(248, 81, 73, 0.12);
  --info: #58a6ff;
  --info-bg: rgba(88, 166, 255, 0.12);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, Monaco, monospace;
  
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 24px;
  
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  --sidebar-width: 220px;
  --sidebar-collapsed: 64px;
  --header-height: 60px;
  --content-max-width: 1400px;
  --mobile-nav-height: 64px;
  
  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  
  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-elevated) transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--border-secondary);
}

*::-webkit-scrollbar-corner {
  background: transparent;
}

#app {
  display: flex;
  min-height: 100vh;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

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

ul, ol {
  list-style: none;
}

/* ============================================
   Sidebar Navigation
   ============================================ */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: 101;
  transition: transform var(--duration-normal) var(--ease-out);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  gap: var(--space-3);
}

.logo {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(47, 129, 247, 0.3));
}

.logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  transition: background var(--duration-fast), color var(--duration-fast);
  cursor: pointer;
}

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

.nav-item.active {
  background: var(--accent-primary);
  color: white;
}

.nav-item .icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-align: center;
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.top-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: var(--text-xl);
}

.menu-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sse-indicator {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast);
}
.sse-indicator:hover {
  background: var(--bg-tertiary);
}
.sse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  transition: background var(--duration-normal);
}
.sse-indicator.connected .sse-dot {
  background: var(--success);
}

/* Content Container */
.content-container {
  flex: 1;
  padding: var(--space-6);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

/* ============================================
   Components
   ============================================ */

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-primary);
  min-height: 56px;
  flex-shrink: 0;
}

.card-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-tertiary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-primary:active:not(:disabled) {
  background: var(--accent-active);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border-secondary);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-bg);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--text-sm);
}

/* Focus-visible accessibility: keyboard focus indicators */
.btn:focus-visible,
.nav-item:focus-visible,
.mobile-nav-item:focus-visible,
.tab:focus-visible,
.page-btn:focus-visible,
.mode-tab:focus-visible,
.toast-close:focus-visible,
.sse-indicator:focus-visible,
.menu-toggle:focus-visible,
.drawer .btn-ghost.btn-icon:focus-visible,
.log-scroll-to-top-btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-textarea {
  resize: vertical;
  min-height: 75px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  position: relative;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}

.form-checkbox input[type="checkbox"]:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.form-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.form-checkbox input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 11px;
  font-weight: bold;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px 10px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tag-queued {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.tag-running {
  background: var(--info-bg);
  color: var(--info);
  border-left: 3px solid var(--info);
}

.tag-completed {
  background: var(--success-bg);
  color: var(--success);
}

.tag-failed {
  background: var(--danger-bg);
  color: var(--danger);
}

.tag-cancelled {
  background: var(--warning-bg);
  color: var(--warning);
}

/* Task detail header background 和状态文字颜色（配合 tag-* 色板） */
.task-detail-header.status-queued { background: var(--bg-tertiary); }
.task-detail-header.status-running { background: var(--info-bg); }
.task-detail-header.status-completed { background: var(--success-bg); }
.task-detail-header.status-failed { background: var(--danger-bg); }
.task-detail-header.status-cancelled { background: var(--warning-bg); }

.task-detail-value.status-queued { color: var(--text-secondary); }
.task-detail-value.status-running { color: var(--info); }
.task-detail-value.status-completed { color: var(--success); }
.task-detail-value.status-failed { color: var(--danger); }
.task-detail-value.status-cancelled { color: var(--warning); }

.tag-info {
  background: var(--info-bg);
  color: var(--info);
}

.tag-success {
  background: var(--success-bg);
  color: var(--success);
}

.tag-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.tag-danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.tag-primary {
  background: var(--info-bg);
  color: var(--accent-primary);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--success));
  border-radius: 3px;
  transition: width var(--duration-normal) var(--ease-out);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

.data-table th {
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table td {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table td:last-child {
  max-width: none;
}

.data-table tbody tr {
  transition: background var(--duration-fast);
}

.data-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:hover td {
  background: var(--bg-elevated);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table th[data-sort-field] {
  cursor: pointer;
  user-select: none;
}

.data-table th[data-sort-field]:hover {
  color: var(--accent-primary);
}

.data-table th.sort-active {
  color: var(--accent-primary);
}

.sort-icon {
  font-size: 10px;
  opacity: 0.4;
  margin-left: 4px;
}

.sort-icon.sort-active {
  opacity: 1;
  color: var(--accent-primary);
}

.table-scroll-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
}

.table-scroll-container::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.table-scroll-container::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.table-scroll-container::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: 3px;
}

.table-scroll-container::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.pagination-info {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-btn {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.page-btn.active {
  background: var(--accent-primary);
  color: white;
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.empty-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 300px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  animation: slideInLeft var(--duration-normal) var(--ease-out);
}

.toast-success {
  border-left: 3px solid var(--success);
}

.toast-error {
  border-left: 3px solid var(--danger);
}

.toast-warning {
  border-left: 3px solid var(--warning);
}

.toast-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-close {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
}

.toast-close:hover {
  color: var(--text-primary);
}

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal), visibility var(--duration-normal);
}

.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Drawer */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal), visibility var(--duration-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  right: 0;
  top: 0;
  width: 420px;
  max-width: 100%;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-primary);
  z-index: 201;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.drawer.open {
  transform: translateX(0);
}

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

.drawer-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.drawer-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-5);
}

.drawer-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-primary);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* Task Detail */
.task-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.task-detail-header-info {
  flex: 1;
  min-width: 0;
}

.task-detail-header-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.task-detail-header-sub {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.task-detail-section {
  margin-bottom: var(--space-4);
}

.task-detail-section-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--border-secondary);
}

.task-detail-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
}

.task-detail-label {
  color: var(--text-tertiary);
  padding: var(--space-1) 0;
}

.task-detail-value {
  color: var(--text-primary);
  padding: var(--space-1) 0;
  word-break: break-all;
}

.task-detail-value-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.task-detail-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.task-detail-time-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
}

.task-detail-time-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.task-detail-time-label {
  color: var(--text-tertiary);
  min-width: 60px;
}

.task-detail-time-value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.task-detail-time-line {
  width: 1px;
  height: 8px;
  background: var(--border-secondary);
  margin-left: 3.5px;
}

.task-detail-error {
  background: var(--danger-bg);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--danger);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-all;
}

.task-detail-section-title-sm {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.task-detail-stats {
  display: flex;
  gap: var(--space-3);
}

.task-detail-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 56px;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.task-detail-stat-val {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  font-family: var(--font-mono);
  line-height: 1.3;
}

.task-detail-stat-val.success { color: var(--success); }
.task-detail-stat-val.danger { color: var(--danger); }
.task-detail-stat-val.info { color: var(--info); }

.task-detail-stat-lbl {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.task-detail-msg {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  z-index: 100;
}

.mobile-nav-items {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  align-items: center;
  height: 100%;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  min-width: 0;
  text-align: center;
}

.mobile-nav-item .icon {
  font-size: var(--text-xl);
}

.mobile-nav-item.active {
  color: var(--accent-primary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-shrink: 0;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.stat-content {
  flex: 1;
}

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

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-primary);
  margin-bottom: var(--space-5);
}

.tasks-layout .tabs {
  gap: 0;
}

.tasks-layout .tab {
  padding: var(--space-3) 13px;
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--duration-fast), border-bottom-color var(--duration-fast);
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.tab[data-task-tab="jsonfile"],
.tab[data-task-tab="jsonfolder"] {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

/* Overview Tasks List */
.overview-tasks-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* Task Item */
.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  transition: background var(--duration-fast);
}

.task-item:hover {
  background: var(--bg-tertiary);
}

.task-item:last-child {
  border-bottom: none;
}

.task-info {
  flex: 1;
  min-width: 0;
}

.task-title {
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-meta {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.task-short-id {
  white-space: nowrap;
}

.task-progress {
  width: 120px;
  flex-shrink: 0;
}

.task-progress-text {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-align: right;
  margin-top: var(--space-1);
}

.task-status {
  flex-shrink: 0;
}

.task-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
  gap: var(--space-4);
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.search-input {
  width: 240px;
}

/* Log page: 有筛选按钮占用空间 */
#logViewerCard .toolbar {
  padding: var(--space-3) var(--space-5);
}

/* Grid Layout for Tasks Page */
.tasks-layout {
  display: grid;
  grid-template-columns: 425px 1fr;
  gap: var(--space-6);
  align-items: stretch;
  height: calc(100vh - var(--header-height) - var(--space-6) * 2);
}

.tasks-layout > div {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ===== Page Layout Utilities ===== */

.page-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height) - var(--space-6) * 2);
}

.card-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height) - var(--space-6) * 2);
}

.card-fill {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-body-scroll {
  padding: 0;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* 保持 card-body 原有 padding 的填充滚动容器 */
.card-body-fill {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.system-tab-bar {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.system-panel-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* System panel flex cards: mode-tabs + card-header fixed, card-body scrolls */
.system-panel .card {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.system-panel .card-body {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

/* Task list scroll area */
.task-list,
.empty-state {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes glowPulse {
  0% { opacity: 0; transform: scaleY(0.8); }
  15% { opacity: 1; transform: scaleY(1); }
  80% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0.8); }
}

.glow-new-item {
  position: relative;
}

.glow-new-item::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-primary);
  border-radius: 2px;
  opacity: 0;
  animation: glowPulse 1.2s ease-out forwards;
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  margin-bottom: 16px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .tasks-layout {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .drawer {
    width: 360px;
  }
}

@media (max-width: 767px) {
  .top-header {
    padding: 0 var(--space-4);
  }
  
  /* 固定底导航（64px）未计入高度计算时底部内容被遮挡，覆盖三处 calc */
  .tasks-layout,
  .page-container,
  .card-page {
    height: calc(100vh - var(--header-height) - var(--mobile-nav-height) - var(--space-4) * 2);
  }
  
  .page-title {
    font-size: var(--text-lg);
  }
  
  .content-container {
    padding: var(--space-4);
    padding-bottom: calc(var(--mobile-nav-height) + var(--space-4));
  }
  
  .mobile-nav {
    display: block;
  }
  
  .sidebar {
    width: 280px;
  }
  
  .sidebar-footer {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .toolbar-left,
  .toolbar-right {
    justify-content: space-between;
  }
  
  .search-input {
    width: 100%;
  }
  
  .data-table {
    display: none;
  }

  .table-scroll-container {
    display: none;
  }

  .mobile-card-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .mobile-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    transition: border-color var(--duration-fast);
  }

  .mobile-card:active {
    border-color: var(--border-secondary);
  }
  
  .task-item {
    flex-wrap: wrap;
  }
  
  .task-progress {
    width: 100%;
    order: 3;
    margin-top: var(--space-2);
  }
  
  .drawer {
    width: 100%;
  }
  
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }
  
  .toast {
    min-width: auto;
    max-width: none;
  }

  .schedule-item {
    flex-wrap: wrap;
  }

  .schedule-time {
    width: 100%;
    order: 3;
    margin-top: var(--space-2);
  }

  .schedule-type {
    width: auto;
  }

  /* System page mobile responsive */
  .system-tab-bar {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .system-tabs {
    flex-wrap: nowrap;
    min-width: min-content;
  }

  .log-level-filters {
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) {
  .mobile-card-list {
    display: none;
  }
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-secondary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: var(--space-2);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Utility Classes */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.p-3 { padding: var(--space-3); }
.text-sm { font-size: var(--text-sm); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.font-mono { font-family: var(--font-mono); }
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.alert-warning {
  background: rgba(240, 136, 62, 0.12);
  border: 1px solid rgba(240, 136, 62, 0.3);
  color: var(--warning);
}
.system-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-primary);
}

.system-panel {
  animation: fadeIn var(--duration-fast) ease;
}

.config-hint {
  background: rgba(240, 136, 62, 0.08);
  border-radius: var(--radius-md);
}

.log-stream {
  flex: 1;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-y: auto;
}

.log-entry {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: 8px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  border-bottom: 1px solid var(--border-primary);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-secondary);
}
.log-entry:hover { background: var(--bg-tertiary); }

.log-entry-text {
  min-width: 0;
  flex: 1;
}

.log-entry-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.log-entry:hover .log-entry-actions,
.log-entry:focus-within .log-entry-actions {
  opacity: 1;
}

.log-entry-action {
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 10px;
  line-height: 1.4;
  cursor: pointer;
  white-space: nowrap;
}

.log-entry-action:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.log-entry-fatal,
.log-entry-error {
  color: var(--danger);
}

.log-entry-warn {
  color: var(--warning);
}

.log-entry-info {
  color: var(--info);
}

.log-entry-debug {
  color: var(--text-tertiary);
}

.log-entry[data-tweet-id] {
  cursor: copy;
}

.log-level,
.log-domain {
  color: var(--text-primary);
  font-weight: var(--font-semibold);
}

.log-timestamp {
  color: var(--info);
  font-weight: 500;
}

.log-field-key {
  color: var(--text-tertiary);
}

.log-field-value {
  color: var(--text-secondary);
}

.log-field-success .log-field-value {
  color: var(--success);
  font-weight: var(--font-semibold);
}

.log-field-warning .log-field-value {
  color: var(--warning);
  font-weight: var(--font-semibold);
}

.log-field-danger .log-field-value {
  color: var(--danger);
  font-weight: var(--font-semibold);
}

.log-field-info .log-field-value {
  color: var(--info);
}

.log-field-muted .log-field-value {
  color: var(--text-tertiary);
}

.log-level-filters {
  display: flex;
  gap: var(--space-1);
}

.log-domain-select {
  width: 150px;
  min-width: 130px;
}

/* Raw YAML editor shared styles */
.raw-editor-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.raw-editor-container {
  flex: 1;
  min-height: 0;
}
.raw-editor-hint {
  flex-shrink: 0;
}
.raw-editor-textarea {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 12px;
  box-sizing: border-box;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
}

/* Mobile DB card styles */
.mobile-card-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}
.mobile-card-meta {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.db-filter-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  background: var(--info-bg);
  border-bottom: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.schedule-undo-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: rgba(240, 136, 62, 0.1);
  border-top: 1px solid var(--border-primary);
  border-bottom: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

/* Code/value display block (read-only IDs in detail views) */
.code-display {
  background: var(--bg-primary);
  padding: var(--space-3);
  border-radius: var(--radius-md);
}

/* Extra small tag variant */
.tag-sm {
  font-size: 10px;
  padding: 1px 6px;
}

/* Schedule meta separator */
.schedule-meta-sep {
  color: var(--border-secondary);
}

/* Schedule form: inline checkbox label */
.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.checkbox-inline input[type="checkbox"] {
  margin: 0;
}

/* Form inline hint text (e.g. "每行一个") */
.form-hint-inline {
  font-size: 11px;
  color: var(--text-tertiary);
}
/* Schedule field validation hint */
.form-hint-validate {
  font-size: 12px;
  margin-top: 8px;
  min-height: 0;
}

/* Mode tabs wrapper: raw/form toggle within system config panels */
.mode-tabs-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.log-scroll-to-top-btn {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  font-size: 12px;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  animation: log-scroll-btn-pulse 2s ease-in-out infinite;
  transition: opacity var(--duration-fast);
  white-space: nowrap;
}
.log-scroll-to-top-btn:hover {
  opacity: 0.85;
}
@keyframes log-scroll-btn-pulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
  50% { box-shadow: 0 2px 16px rgba(58,134,255,0.5); }
}

/* ===== Schedule List ===== */
.schedule-list {
  flex: 1;
  min-height: 0;
}

/* #scheduleTable 在 page-container flex 列中撑满剩余空间 */
#scheduleTable {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* ===== Schedule Item ===== */
.schedule-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  transition: background var(--duration-fast);
}

.schedule-item:hover {
  background: var(--bg-tertiary);
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-item.has-failure {
  border-left: 3px solid var(--danger);
}

.schedule-type {
  flex-shrink: 0;
  width: 90px;
}

.schedule-info {
  flex: 1;
  min-width: 0;
}

.schedule-title {
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-meta {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.schedule-status {
  flex-shrink: 0;
}

.schedule-time {
  flex-shrink: 0;
  width: 160px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

.schedule-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ===== Config Form Styles ===== */
.config-mode-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.mode-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.mode-tab:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.mode-tab.active {
  color: white;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.config-group {
  position: relative;
  margin-bottom: var(--space-5);
}

.config-group-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-group-title > span {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.config-divider {
  height: 1px;
  background: var(--border-secondary);
  margin: var(--space-6) 0;
}

.config-label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.config-field {
  margin-bottom: var(--space-4);
}

.config-input {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: border var(--duration-fast);
}

.config-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.1);
  outline: none;
}

.config-input::placeholder {
  color: var(--text-tertiary);
}

.config-mask-hint {
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Auth Modal */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal), visibility var(--duration-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-overlay.open {
  opacity: 1;
  visibility: visible;
}

.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  width: 360px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px) scale(0.97);
  transition: transform var(--duration-normal) var(--ease-out);
}

.auth-overlay.open .auth-modal {
  transform: translateY(0) scale(1);
}

.auth-modal-header {
  padding: var(--space-5) var(--space-6) 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.auth-modal-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

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

.auth-modal-body {
  padding: var(--space-4) var(--space-6) var(--space-5);
}

.auth-modal-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.auth-modal-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  box-sizing: border-box;
}

.auth-modal-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.1);
}

.auth-modal-input::placeholder {
  color: var(--text-tertiary);
}

.auth-modal-status {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  min-height: 20px;
}

.auth-modal-footer {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
  padding: 0 var(--space-6) var(--space-5);
}

.auth-modal-footer .btn {
  min-width: 80px;
}


/* ---- DB stats bar ---- */
.card-header .db-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  background: none;
  border-bottom: none;
}
.db-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
}
.db-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.db-stat-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--info);
  opacity: .8;
}


/* ===== 手机端横向溢出修复 (mobile horizontal-overflow fix) ===== */
/* 390px 实测: 概览/定时/日志 无溢出; 任务/数据/应用配置 页面被撑到 444/694/551 */
@media (max-width: 1023px) {
  .main-content,
  .content-container,
  .page-container,
  .card-page,
  .tasks-layout,
  .tasks-layout > div,
  .system-panel,
  .system-tab-bar,
  .tabs {
    min-width: 0;
  }
  .tasks-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 767px) {
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar {
    display: none;
  }
  .tab {
    white-space: nowrap;
    flex: 0 0 auto;
  }
  .system-tabs {
    min-width: 0;
  }
  .card-fill,
  .card-body-fill {
    min-width: 0;
  }
}