/* ============================================
 * WMSC V1 - 无线机台呼叫系统 Web前端样式
 * 深色科技风格主题
 * ============================================ */

/* CSS变量定义 */
:root {
  /* 主色调 */
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --primary-light: #66e5ff;
  --primary-bg: rgba(0, 212, 255, 0.1);
  --primary-border: rgba(0, 212, 255, 0.3);

  /* 功能色 */
  --success: #00e676;
  --success-bg: rgba(0, 230, 118, 0.1);
  --warning: #ffab00;
  --warning-bg: rgba(255, 171, 0, 0.1);
  --danger: #ff1744;
  --danger-bg: rgba(255, 23, 68, 0.1);
  --info: #448aff;
  --info-bg: rgba(68, 138, 255, 0.1);

  /* 背景色 */
  --bg-body: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --bg-input: #0d1321;
  --bg-modal: rgba(0, 0, 0, 0.8);
  --bg-sidebar: #0d1117;
  --bg-header: rgba(17, 24, 39, 0.95);

  /* 文字色 */
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #5f6368;
  --text-bright: #ffffff;

  /* 边框 */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);

  /* 阴影 */
  --shadow-sm: 0 1px 3px 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);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* 字体 */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* 链接 */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--primary-light);
}

/* ============ 布局 ============ */

/* 侧边栏 */
.app-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-logo {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  color: #fff;
}

.sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-bright);
}

.sidebar-logo .logo-version {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

/* 导航菜单 */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm) 0;
}

.nav-section {
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-sm);
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 13px;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-left: 3px solid var(--primary);
}

.nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 15px;
}

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* 主内容区 */
.app-main {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 顶部栏 */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 var(--space-lg);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 12px;
  color: var(--text-muted);
}

.header-breadcrumb span {
  color: var(--text-secondary);
}

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

.header-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--success-bg);
  color: var(--success);
}

.header-status.offline {
  background: var(--danger-bg);
  color: var(--danger);
}

.header-status .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 页面内容 */
.page-content {
  flex: 1;
  padding: var(--space-lg);
}

/* ============ 卡片 ============ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  transition: all var(--transition-normal);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--primary-bg); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-icon.purple { background: rgba(156, 39, 176, 0.1); color: #ce93d8; }

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

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.2;
}

.stat-change {
  font-size: 11px;
  margin-top: 4px;
}

.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============ 按钮 ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: inherit;
}

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

.btn-primary {
  background: var(--primary);
  color: #000;
  border-color: var(--primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

.btn-success {
  background: var(--success);
  color: #000;
}
.btn-success:hover:not(:disabled) {
  filter: brightness(0.9);
}

.btn-warning {
  background: var(--warning);
  color: #000;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  filter: brightness(0.9);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text-secondary);
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 6px 10px;
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

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

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============ 表单 ============ */

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa0a6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.form-inline {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* 复选框/开关 */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

.switch {
  position: relative;
  width: 40px;
  height: 22px;
  display: inline-block;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  inset: 0;
  background: var(--border-light);
  border-radius: 11px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.switch input:checked + .switch-slider {
  background: var(--primary);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(18px);
}

/* ============ 表格 ============ */

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  cursor: default;
  user-select: none;
}

.data-table th.sortable {
  cursor: pointer;
}

.data-table th.sortable:hover {
  color: var(--text-primary);
}

.data-table th .sort-icon {
  margin-left: 4px;
  opacity: 0.3;
}

.data-table th.sorted .sort-icon {
  opacity: 1;
  color: var(--primary);
}

.data-table td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.data-table tbody tr.selected {
  background: var(--primary-bg);
}

.data-table .cell-primary {
  color: var(--text-primary);
  font-weight: 500;
}

/* 状态标签 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
}

.badge-online { background: var(--success-bg); color: var(--success); }
.badge-offline { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-default { background: rgba(255,255,255,0.08); color: var(--text-secondary); }

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.pagination-info {
  font-size: 12px;
  color: var(--text-muted);
}

.pagination-buttons {
  display: flex;
  gap: var(--space-xs);
}

.pagination-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #000;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.filter-bar .form-input,
.filter-bar .form-select {
  width: auto;
  min-width: 160px;
}

.filter-bar .search-input {
  position: relative;
  flex: 1;
  max-width: 300px;
}

.filter-bar .search-input input {
  padding-left: 36px;
}

.filter-bar .search-input .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ============ 弹窗 ============ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

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

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 900px; }

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

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 18px;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

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

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* ============ Toast ============ */

.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 420px;
  pointer-events: auto;
  animation: toast-in 0.3s ease forwards;
}

.toast.removing {
  animation: toast-out 0.3s ease forwards;
}

.toast-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px;
}

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

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

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

.toast.info { border-left: 3px solid var(--info); }
.toast.info .toast-icon { color: var(--info); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(40px); }
}

/* ============ 加载/空状态 ============ */

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
  gap: var(--space-md);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
  text-align: center;
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state .empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.empty-state .empty-desc {
  font-size: 13px;
  max-width: 300px;
}

/* ============ 标签页 ============ */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-lg);
}

.tab-item {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

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

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============ 进度条 ============ */

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width var(--transition-normal);
  background: var(--primary);
}

.progress-fill.green { background: var(--success); }
.progress-fill.orange { background: var(--warning); }
.progress-fill.red { background: var(--danger); }

/* ============ 步骤条 ============ */

.steps {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--text-muted);
}

.step.active {
  color: var(--primary);
}

.step.done {
  color: var(--success);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  border: 2px solid var(--border-light);
  background: transparent;
}

.step.active .step-number {
  border-color: var(--primary);
  background: var(--primary);
  color: #000;
}

.step.done .step-number {
  border-color: var(--success);
  background: var(--success);
  color: #000;
}

.step-line {
  flex: 1;
  height: 2px;
  background: var(--border-color);
  min-width: 20px;
}

.step-line.done {
  background: var(--success);
}

/* ============ 事件列表 ============ */

.event-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.event-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.event-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-light);
}

.event-item.urgent {
  border-left: 3px solid var(--danger);
}

.event-type-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

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

.event-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.event-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.event-time {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.event-actions {
  display: flex;
  gap: var(--space-xs);
}

/* ============ 设备控制卡片 ============ */

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.control-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.control-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-glow);
}

.control-card.active {
  border-color: var(--success);
  background: var(--success-bg);
}

.control-card .device-icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.control-card .device-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.control-card .device-status {
  font-size: 12px;
  color: var(--text-muted);
}

.control-card .device-zone {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ============ 图表占位 ============ */

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-container canvas {
  width: 100% !important;
  max-height: 400px;
}

/* ============ 工具栏 ============ */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

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

/* ============ 告警列表 ============ */

.alert-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: var(--space-sm);
}

.alert-item.critical {
  background: var(--danger-bg);
  border-color: rgba(255, 23, 68, 0.3);
}

.alert-item.warning {
  background: var(--warning-bg);
  border-color: rgba(255, 171, 0, 0.3);
}

.alert-item.info {
  background: var(--info-bg);
  border-color: rgba(68, 138, 255, 0.3);
}

.alert-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.alert-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.alert-time {
  font-size: 11px;
  color: var(--text-muted);
}

/* ============ 响应式 ============ */

@media (max-width: 1024px) {
  .app-sidebar {
    transform: translateX(-100%);
  }

  .app-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .app-main {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 13px;
  }

  .page-content {
    padding: var(--space-md);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .form-input,
  .filter-bar .form-select,
  .filter-bar .search-input {
    max-width: none;
    width: 100%;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .modal {
    width: 95%;
    max-height: 90vh;
  }

  .control-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  .stat-card {
    flex-direction: column;
    text-align: center;
  }
}

/* 菜单切换按钮 */
.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* 侧边栏遮罩 */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* ============ 动画 ============ */

.fade-in {
  animation: fadeIn var(--transition-normal) ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in-right {
  animation: slideInRight var(--transition-normal) ease forwards;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 页面切换动画 */
.page-transition {
  animation: pageTransition 0.3s ease forwards;
}

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

/* ============ 工具类 ============ */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12px; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ============================================
 * 公共顶部导航栏 (由 layout.js 自动注入)
 * 集中样式，避免各页面重复定义
 * ============================================ */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 var(--space-md);
  height: 48px;
  overflow-x: auto;
  white-space: nowrap;
}
.nav-bar a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.nav-bar a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}
.nav-bar a.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}
@media (max-width: 768px) {
  .nav-bar { gap: 0; }
  .nav-bar a { padding: 6px 8px; font-size: 12px; }
}