/* ================================
   页面样式 - Page Specific
   ================================ */

/* ================================
   仪表盘 / 工作台
   ================================ */

.dashboard {
  display: flex;
  flex-direction: column;
  gap: calc(24px * var(--density-scale));
}

/* 统计卡片网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(20px * var(--density-scale));
}

:root[data-density="ultra"] .stats-grid {
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background-color: var(--card-bg);
  border: 1px solid #d6dde8;
  border-radius: var(--radius-box);
  padding: calc(20px * var(--density-scale));
  display: flex;
  align-items: flex-start;
  gap: calc(16px * var(--density-scale));
  transition: all var(--transition-fast);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-control);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-icon-primary {
  background-color: var(--primary-color-light);
  color: var(--primary-color);
}

.stat-icon-success {
  background-color: #dcfce7;
  color: #16a34a;
}

.stat-icon-warning {
  background-color: #fef3c7;
  color: #d97706;
}

.stat-icon-info {
  background-color: #dbeafe;
  color: #2563eb;
}

[data-theme="dark"] .stat-icon-success {
  background-color: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

[data-theme="dark"] .stat-icon-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

[data-theme="dark"] .stat-icon-info {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 4px;
}

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

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  margin-top: 8px;
}

.stat-trend-up {
  color: #22c55e;
}

.stat-trend-down {
  color: #ef4444;
}

/* 图表网格 */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

:root[data-density="ultra"] .charts-grid {
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background-color: var(--card-bg);
  border: 1px solid #d6dde8;
  border-radius: var(--radius-box);
  overflow: hidden;
}

.chart-header {
  padding: calc(16px * var(--density-scale)) calc(20px * var(--density-scale));
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-title {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.chart-body {
  padding: calc(20px * var(--density-scale));
}

.chart-container {
  width: 100%;
  height: 300px;
}

:root[data-density="ultra"] .chart-container {
  height: 160px;
}

.chart-container-tall {
  height: 400px;
}

/* 快捷入口 */
.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(16px * var(--density-scale));
}

:root[data-density="ultra"] .quick-links {
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 4px;
}

@media (max-width: 768px) {
  .quick-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(12px * var(--density-scale));
  padding: calc(24px * var(--density-scale)) calc(16px * var(--density-scale));
  background-color: var(--card-bg);
  border: 1px solid #d6dde8;
  border-radius: var(--radius-box);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

:root[data-density="ultra"] .quick-link {
  padding: 6px 4px;
  gap: 2px;
}

:root[data-density="ultra"] .quick-link-icon {
  width: 24px;
  height: 24px;
}

:root[data-density="ultra"] .quick-link-title {
  font-size: 11px;
}

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

.quick-link-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-control);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.quick-link-icon svg {
  width: 24px;
  height: 24px;
}

.quick-link-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

/* 待办列表 */
.todo-list {
  display: flex;
  flex-direction: column;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.todo-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-tag);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.todo-checkbox:hover {
  border-color: var(--primary-color);
}

.todo-checkbox.checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.todo-checkbox.checked::after {
  content: '✓';
  color: white;
  font-size: 12px;
}

.todo-content {
  flex: 1;
  min-width: 0;
}

.todo-title {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.todo-item.completed .todo-title {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.todo-time {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* 最新动态 */
.activity-list {
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.activity-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-hover));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-text {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.5;
}

.activity-text strong {
  font-weight: 600;
}

.activity-time {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ================================
   用户管理页面
   ================================ */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: calc(24px * var(--density-scale));
  flex-wrap: wrap;
  gap: calc(16px * var(--density-scale));
}

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

.page-actions {
  display: flex;
  gap: 12px;
}

/* 搜索栏 */
.search-bar {
  display: flex;
  gap: calc(12px * var(--density-scale));
  margin-bottom: calc(20px * var(--density-scale));
  flex-wrap: wrap;
}

:root[data-density="ultra"] .search-bar {
  gap: 4px;
  margin-bottom: 6px;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 300px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
}

.search-input {
  width: 100%;
  height: calc(40px * var(--density-scale));
  padding: 0 calc(12px * var(--density-scale)) 0 calc(40px * var(--density-scale));
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.filter-select {
  height: calc(40px * var(--density-scale));
  padding: 0 calc(36px * var(--density-scale)) 0 calc(12px * var(--density-scale));
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2364748b'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-select:focus {
  border-color: var(--primary-color);
  outline: none;
}

/* 用户卡片网格 */
.users-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.user-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-box);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-fast);
}

.user-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.user-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--border-radius-full);
  margin-bottom: 16px;
  overflow: hidden;
}

.user-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-card-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.user-card-email {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.user-card-role {
  margin-bottom: 16px;
}

.user-card-actions {
  display: flex;
  gap: 8px;
}

/* ================================
   角色管理
   ================================ */

.role-list {
  display: flex;
  flex-direction: column;
  gap: calc(16px * var(--density-scale));
}

:root[data-density="ultra"] .role-list {
  gap: 8px;
}

.role-card {
  background-color: var(--card-bg);
  border: 1px solid #d6dde8;
  border-radius: var(--radius-box);
  padding: calc(20px * var(--density-scale));
  display: flex;
  align-items: flex-start;
  gap: calc(16px * var(--density-scale));
}

.role-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-control);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.role-content {
  flex: 1;
  min-width: 0;
}

.role-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.role-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.role-permissions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.role-actions {
  flex-shrink: 0;
}

/* ================================
   系统设置
   ================================ */

.settings-section {
  background-color: var(--card-bg);
  border: 1px solid #d6dde8;
  border-radius: var(--radius-box);
  margin-bottom: 20px;
}

.settings-header {
  padding: calc(16px * var(--density-scale)) calc(20px * var(--density-scale));
  border-bottom: 1px solid var(--border-color);
}

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

.settings-body {
  padding: calc(20px * var(--density-scale));
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(12px * var(--density-scale)) 0;
  border-bottom: 1px solid var(--border-color-light);
}

:root[data-density="ultra"] .settings-row {
  padding: 4px 0;
}

:root[data-density="ultra"] .settings-description {
  font-size: 10px;
  line-height: 1.2;
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.settings-description {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ================================
   菜单管理
   ================================ */

.menu-tree {
  padding: 8px 0;
}

.menu-tree-item {
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.menu-tree-item:hover {
  background-color: var(--hover-bg);
}

.menu-tree-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: transform var(--transition-fast);
}

.menu-tree-toggle.expanded {
  transform: rotate(90deg);
}

.menu-tree-arrow {
  width: 20px;
  height: 20px;
}

.menu-tree-arrow.empty {
  visibility: hidden;
}

.menu-tree-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-tree-icon {
  width: 20px;
  height: 20px;
}

.menu-tree-name {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.menu-tree-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.menu-tree-item:hover .menu-tree-actions {
  opacity: 1;
}

.menu-tree-children {
  padding-left: 28px;
  display: none;
}

.menu-tree-children.expanded {
  display: block;
}

/* ================================
   登录页面（左右结构）
   ================================ */

.login-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  background: var(--bg-color);
}

.login-banner {
  position: relative;
  background: linear-gradient(140deg, #0f172a 0%, #1d4ed8 55%, #22c55e 100%);
  color: #fff;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-banner h2 {
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.login-banner p {
  max-width: 520px;
  color: rgba(255,255,255,0.88);
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  padding: 32px;
  background-color: var(--card-bg);
  border-radius: var(--radius-box);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-xl);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.login-logo svg {
  width: 42px;
  height: 42px;
}

.login-logo-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.login-title {
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 8px;
}

.login-subtitle {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-btn {
  width: 100%;
  height: 44px;
}

@media (max-width: 980px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-banner {
    min-height: 240px;
    padding: 28px;
  }

  .login-banner h2 {
    font-size: 28px;
  }
}