/* ============================================================
   客运信息系统 - 样式表
   主色调：深蓝 #1a73e8
   简洁实用的管理系统风格
   ============================================================ */

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

:root {
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --primary-light: #e8f0fe;
  --danger: #dc3545;
  --danger-hover: #c82333;
  --danger-light: #fde8ea;
  --success: #28a745;
  --success-hover: #218838;
  --success-light: #e6f4ea;
  --warning: #ffc107;
  --warning-light: #fff8e1;
  --info: #17a2b8;
  --info-light: #e0f7fa;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f4;
  --gray-200: #e8eaed;
  --gray-300: #dadce0;
  --gray-400: #bdc1c6;
  --gray-500: #9aa0a6;
  --gray-600: #80868b;
  --gray-700: #5f6368;
  --gray-800: #3c4043;
  --gray-900: #202124;
  --border: #dadce0;
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #202124;
  --text-secondary: #5f6368;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --transition: all 0.2s ease;
}

html {
  font-size: 14px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ---------- Login Page ---------- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 48px 40px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-card h1 {
  text-align: center;
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 8px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: 32px;
  font-size: 13px;
}

.login-card .form-group {
  margin-bottom: 20px;
}

.login-card label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
  color: var(--gray-700);
}

.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.15);
}

.login-card .btn {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  margin-top: 8px;
}

.login-error {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  min-height: 20px;
}

/* ---------- App Layout ---------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background: #1e293b;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.sidebar-header .company-name {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  border-left: 3px solid transparent;
}

.sidebar-nav .nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.sidebar-nav .nav-item.active {
  background: rgba(26,115,232,0.3);
  color: #fff;
  border-left-color: var(--primary);
}

.sidebar-nav .nav-item .nav-icon {
  margin-right: 10px;
  font-size: 16px;
  width: 20px;
  text-align: center;
}

/* Main */
.main-area {
  flex: 1;
  margin-left: 220px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Bar */
.top-bar {
  background: #fff;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar .page-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
}

.top-bar .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-700);
}

.top-bar .user-info .role-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.top-bar .btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray-700);
  padding: 5px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  transition: var(--transition);
}

.top-bar .btn-logout:hover {
  background: var(--danger-light);
  border-color: var(--danger);
  color: var(--danger);
}

/* Content */
.content {
  flex: 1;
  padding: 24px;
}

/* ---------- Common Components ---------- */

/* Card */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  gap: 6px;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

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

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover:not(:disabled) {
  background: var(--success-hover);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--gray-700);
}
.btn-outline:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 10px 24px;
  font-size: 14px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  padding: 0;
  cursor: pointer;
  font-size: 13px;
}
.btn-link:hover {
  text-decoration: underline;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}

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

table th, table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  font-size: 13px;
}

table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}

table tbody tr:hover {
  background: var(--gray-100);
}

table .actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
}

.badge-active { background: #e6f4ea; color: #1e7e34; }
.badge-pending { background: #fff8e1; color: #f57f17; }
.badge-expired { background: #fde8ea; color: #c62828; }
.badge-cancelled { background: #e8eaed; color: #5f6368; }
.badge-warning { background: #fff3e0; color: #e65100; }
.badge-info { background: #e3f2fd; color: #1565c0; }

/* Filters Bar */
.filters-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}

.filters-bar select,
.filters-bar input[type="text"] {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  background: #fff;
  min-width: 140px;
}

.filters-bar select:focus,
.filters-bar input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(26,115,232,0.12);
}

.filters-bar input[type="text"] {
  min-width: 200px;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--gray-600);
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

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

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination span {
  margin: 0 4px;
}

/* ---------- Modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: 8px;
  width: 90%;
  max-width: 620px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal.large {
  max-width: 800px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--gray-500);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.modal-close:hover {
  color: var(--gray-800);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  position: sticky;
  bottom: 0;
  background: #fff;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  font-size: 13px;
  color: var(--gray-700);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  transition: var(--transition);
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(26,115,232,0.12);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

.form-hint {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Checkbox Group */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 400;
  font-size: 13px;
  cursor: pointer;
}

/* ---------- Alerts / Messages ---------- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-error { background: var(--danger-light); color: var(--danger); border: 1px solid var(--danger); }
.alert-success { background: var(--success-light); color: #1e7e34; border: 1px solid var(--success); }
.alert-info { background: var(--primary-light); color: var(--primary); border: 1px solid var(--primary); }
.alert-warning { background: var(--warning-light); color: #f57f17; border: 1px solid var(--warning); }

/* ---------- Alert Row Colors ---------- */
.alert-row-red td { background: #ffeaea !important; }
.alert-row-orange td { background: #fff3e0 !important; }
.alert-row-yellow td { background: #fffde7 !important; }
.alert-row-blue td { background: #e3f2fd !important; }
.alert-row-gray td { background: #f5f5f5 !important; color: #999; }

/* ---------- Detail Page ---------- */
.detail-section {
  margin-bottom: 20px;
}

.detail-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-item .label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.detail-item .value {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-900);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-300);
}

.timeline-item {
  position: relative;
  margin-bottom: 20px;
  padding-left: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--primary);
}

.timeline-item .t-time {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.timeline-item .t-content {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
}

.timeline-item .t-content .t-title {
  font-weight: 600;
  margin-bottom: 4px;
}

/* ---------- Import / Export ---------- */
.import-export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.import-area, .export-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.import-area:hover, .export-area:hover {
  border-color: var(--primary);
}

.preview-table {
  max-height: 300px;
  overflow: auto;
  margin: 16px 0;
}

.preview-table table {
  font-size: 12px;
}

.export-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-height: 200px;
  overflow-y: auto;
  text-align: left;
  margin: 12px 0;
}

.template-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.template-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.template-tag:hover {
  background: var(--primary);
  color: #fff;
}

.template-tag .close {
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-500);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* ---------- Dashboard ---------- */
.dashboard-welcome {
  text-align: center;
  padding: 32px 20px 20px;
}
.dashboard-welcome h2 {
  font-size: 22px;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.dashboard-welcome p {
  color: var(--gray-600);
  font-size: 14px;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin: 0 0 24px 0;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 6px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding: 0 4px;
}

.dashboard-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

.dashboard-card .d-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.dashboard-card .d-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.dashboard-card .d-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ---------- Loading ---------- */
.loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--gray-500);
}

.spinner {
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 3px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  min-width: 240px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

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

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ---------- Print / Hidden ---------- */
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .sidebar-header h2,
  .sidebar-header .company-name,
  .sidebar-nav .nav-item span:not(.nav-icon) {
    display: none;
  }
  .sidebar-nav .nav-item {
    padding: 10px;
    justify-content: center;
  }
  .sidebar-nav .nav-item .nav-icon {
    margin-right: 0;
    font-size: 18px;
  }
  .main-area {
    margin-left: 60px;
  }
  .content {
    padding: 16px;
  }
  .import-export-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .filters-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .filters-bar select,
  .filters-bar input[type="text"] {
    min-width: auto;
  }
}