/* ===== 运车查专线 · 管理后台样式 ===== */

:root {
  --primary: #FF672B;
  --primary-light: #FFF0EB;
  --primary-dark: #E55A1F;
  --bg: #F5F5F5;
  --card-bg: #FFFFFF;
  --text: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #E8E8E8;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;
  --sidebar-width: 220px;
  --radius: 8px;
  --radius-lg: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 登录页 ===== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #FF672B, #FF8F50);
}
.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.login-card h1 {
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 8px;
  color: var(--text);
}
.login-card .subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 32px;
}
.login-card .form-group {
  margin-bottom: 20px;
}
.login-card label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.login-card input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  transition: border-color 0.2s;
}
.login-card input:focus {
  outline: none;
  border-color: var(--primary);
}
.login-card .btn-login {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}
.login-card .btn-login:hover { background: var(--primary-dark); }
.login-card .error-msg {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
  display: none;
}

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

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-width);
  background: #2C2C2A;
  color: #fff;
  padding: 0;
  flex-shrink: 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}
.sidebar .logo {
  padding: 20px;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar .logo .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}
.sidebar nav { padding: 12px 0; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
}
.sidebar nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.sidebar nav a.active {
  color: #fff;
  background: var(--primary);
}
.sidebar nav a .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}
.sidebar .admin-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 24px;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.page-header h2 {
  font-size: 20px;
  font-weight: 600;
}

/* ===== 卡片 ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

/* ===== 统计卡片 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-card .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.stat-card .value {
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}
.stat-card .value.primary { color: var(--primary); }
.stat-card .value.success { color: var(--success); }
.stat-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== 表格 ===== */
.table-wrapper {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
table {
  width: 100%;
  border-collapse: collapse;
}
table th {
  background: #FAFAFA;
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
table tr:hover td { background: #FAFAFA; }

/* ===== 按钮 ===== */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== 表单 ===== */
.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  flex: 1;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}
.tag-success { background: #D1FAE5; color: #065F46; }
.tag-warning { background: #FEF3C7; color: #92400E; }
.tag-danger { background: #FEE2E2; color: #991B1B; }
.tag-info { background: #DBEAFE; color: #1E40AF; }
.tag-default { background: #F3F4F6; color: #4B5563; }

/* ===== 搜索栏 ===== */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
}
.search-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  width: 240px;
}
.search-bar select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  font-size: 13px;
}
.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== 弹窗 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 500px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}
.modal .modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar .logo span,
  .sidebar nav a span:not(.icon),
  .sidebar .admin-info { display: none; }
  .main-content { margin-left: 60px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; }
}