:root {
  --primary: #0a4d68;
  --primary-light: #088395;
  --primary-lighter: #05bfdb;
  --accent: #00ffca;
  --accent-warm: #f0a500;
  --bg-dark: #021526;
  --bg-card: #06202f;
  --bg-card-hover: #0a3d5c;
  --text-primary: #e8f4f8;
  --text-secondary: #8ab4c4;
  --text-muted: #5a8a9a;
  --border: #0e4a66;
  --border-light: #1a6b8a;
  --success: #00c853;
  --warning: #ffab00;
  --danger: #ff5252;
  --info: #448aff;
  --risk-1: #00c853;
  --risk-2: #ffab00;
  --risk-3: #ff6d00;
  --risk-4: #ff5252;
  --risk-5: #d50000;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --header-height: 60px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, #031b2e 0%, #042a40 100%);
  border-right: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-logo .logo-text,
.sidebar.collapsed .sidebar-logo .logo-sub,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.2s ease, width 0.2s ease;
}

.sidebar .sidebar-logo .logo-text,
.sidebar .sidebar-logo .logo-sub,
.sidebar .nav-section-title,
.sidebar .nav-item-text {
  opacity: 1;
  transition: opacity 0.3s ease;
}

.sidebar.collapsed .sidebar-logo {
  padding: 20px 12px;
  justify-content: center;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 10px 0;
}

.sidebar.collapsed .nav-item .nav-icon {
  margin: 0;
}

.sidebar-toggle {
  position: absolute;
  right: -14px;
  top: 22px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle:hover {
  background: var(--primary-lighter);
  color: var(--bg-dark);
  border-color: var(--primary-lighter);
}

.sidebar.collapsed .sidebar-toggle {
  right: -14px;
}

.sidebar.collapsed .sidebar-toggle .toggle-icon {
  transform: rotate(180deg);
}

.sidebar.collapsed .nav-item:hover .nav-tooltip {
  display: block;
}

.nav-tooltip {
  display: none;
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  z-index: 2000;
  box-shadow: var(--shadow);
  pointer-events: none;
}

.nav-tooltip::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-lighter), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 10px;
}

.sidebar.collapsed .sidebar-nav {
  overflow-x: visible;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  padding: 8px 12px 4px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  position: relative;
  margin-bottom: 2px;
  overflow: visible;
}

.nav-item:hover {
  background: rgba(5, 191, 219, 0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(5, 191, 219, 0.15), rgba(0, 255, 202, 0.05));
  color: var(--accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(2, 21, 38, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 30px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

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

.page-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-search {
  position: relative;
}

.header-search input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px 6px 36px;
  color: var(--text-primary);
  font-size: 13px;
  width: 220px;
  transition: var(--transition);
  outline: none;
}

.header-search input:focus {
  border-color: var(--primary-lighter);
  background: rgba(255, 255, 255, 0.08);
  width: 280px;
}

.header-search::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 20px;
  transition: var(--transition);
}

.header-user:hover {
  background: rgba(255, 255, 255, 0.05);
}

.header-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-lighter), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--bg-dark);
}

.header-username {
  font-size: 13px;
  color: var(--text-secondary);
}

.page-body {
  padding: 24px 30px;
}

.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-lighter), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-card .stat-icon {
  font-size: 28px;
  margin-bottom: 10px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

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

.stat-card .stat-trend {
  font-size: 11px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card .stat-trend.up {
  color: var(--success);
}

.stat-card .stat-trend.down {
  color: var(--danger);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.grid-1-2 {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mt-16 {
  margin-top: 16px;
}

.map-container {
  width: 100%;
  height: 500px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.map-container #mainMap,
.map-container #spatialMap {
  width: 100%;
  height: 100%;
}

.map-overlay-controls {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  min-width: 140px;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--primary-lighter);
}

.filter-group select option {
  background: var(--bg-dark);
}

.btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
  color: var(--bg-dark);
}

.btn-primary:hover {
  box-shadow: 0 4px 15px rgba(5, 191, 219, 0.3);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--primary-lighter);
  color: var(--primary-lighter);
}

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

.btn-danger {
  background: var(--danger);
  color: #fff;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: rgba(5, 191, 219, 0.04);
}

.data-table tbody tr:hover td {
  color: var(--text-primary);
}

.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.risk-badge.risk-1 {
  background: rgba(0, 200, 83, 0.15);
  color: var(--risk-1);
}

.risk-badge.risk-2 {
  background: rgba(255, 171, 0, 0.15);
  color: var(--risk-2);
}

.risk-badge.risk-3 {
  background: rgba(255, 109, 0, 0.15);
  color: var(--risk-3);
}

.risk-badge.risk-4 {
  background: rgba(255, 82, 82, 0.15);
  color: var(--risk-4);
}

.risk-badge.risk-5 {
  background: rgba(213, 0, 0, 0.15);
  color: var(--risk-5);
}

.exceed-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.exceed-badge.yes {
  background: rgba(255, 82, 82, 0.15);
  color: var(--danger);
}

.exceed-badge.no {
  background: rgba(0, 200, 83, 0.15);
  color: var(--success);
}

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

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

.hero-banner {
  background: linear-gradient(135deg, #031b2e 0%, #0a4d68 50%, #042a40 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(5, 191, 219, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 255, 202, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  position: relative;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 600px;
  position: relative;
}

.hero-actions {
  display: flex;
  gap: 12px;
  position: relative;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.quick-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.quick-link-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

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

.quick-link-text .ql-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.update-list {
  list-style: none;
}

.update-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.update-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-lighter);
  margin-top: 6px;
  flex-shrink: 0;
}

.update-info .update-title {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

.update-info .update-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.theme-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.theme-card:hover {
  border-color: var(--primary-lighter);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.theme-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-lighter), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.theme-card:hover::before {
  opacity: 1;
}

.theme-icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.theme-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.theme-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.theme-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.theme-tag {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  background: rgba(5, 191, 219, 0.1);
  color: var(--primary-lighter);
  font-weight: 500;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.news-item:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.news-category {
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(5, 191, 219, 0.12);
  color: var(--primary-lighter);
}

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

.news-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.news-summary {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.team-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-lighter), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--bg-dark);
  margin: 0 auto 14px;
}

.team-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.team-title {
  font-size: 12px;
  color: var(--primary-lighter);
  font-weight: 600;
  margin-bottom: 4px;
}

.team-role {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.team-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height) - 48px);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 80%;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-msg.bot .chat-avatar {
  background: linear-gradient(135deg, var(--primary-lighter), var(--accent));
  color: var(--bg-dark);
}

.chat-msg.user .chat-avatar {
  background: var(--primary);
  color: var(--text-primary);
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.6;
}

.chat-msg.bot .chat-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-top-left-radius: 4px;
}

.chat-msg.user .chat-bubble {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
  color: var(--bg-dark);
  border-top-right-radius: 4px;
}

.chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  align-items: center;
}

.chat-input-area input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 10px 20px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.chat-input-area input:focus {
  border-color: var(--primary-lighter);
}

.risk-dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.risk-overview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.risk-level-display {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.risk-level-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  position: relative;
}

.risk-level-circle::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 3px solid;
  border-color: inherit;
  opacity: 0.3;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.05); opacity: 0.1; }
  100% { transform: scale(1); opacity: 0.3; }
}

.risk-level-circle.level-2 {
  background: rgba(255, 171, 0, 0.15);
  color: var(--warning);
  border-color: var(--warning);
}

.risk-level-circle.level-3 {
  background: rgba(255, 109, 0, 0.15);
  color: var(--risk-3);
  border-color: var(--risk-3);
}

.risk-detail-list {
  list-style: none;
  margin-top: 12px;
}

.risk-detail-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  font-size: 13px;
}

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

.risk-detail-label {
  color: var(--text-secondary);
}

.risk-detail-value {
  font-weight: 600;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.02);
}

.upload-zone:hover {
  border-color: var(--primary-lighter);
  background: rgba(5, 191, 219, 0.04);
}

.upload-zone .upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.upload-zone .upload-text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.upload-zone .upload-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(0, 255, 202, 0.05);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

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

.admin-card .admin-icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.admin-card .admin-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.admin-card .admin-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-item {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

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

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

.tab-content {
  display: none;
}

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

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar .progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.progress-fill.green {
  background: linear-gradient(90deg, var(--success), #69f0ae);
}

.progress-fill.yellow {
  background: linear-gradient(90deg, var(--warning), #ffd740);
}

.progress-fill.orange {
  background: linear-gradient(90deg, var(--risk-3), #ffab40);
}

.progress-fill.red {
  background: linear-gradient(90deg, var(--danger), #ff8a80);
}

.leaflet-container {
  background: #031b2e !important;
}

.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow) !important;
}

.leaflet-popup-tip {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
}

.leaflet-popup-content {
  font-size: 13px !important;
  line-height: 1.5 !important;
  margin: 12px 16px !important;
}

.leaflet-popup-content .popup-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--accent);
}

.leaflet-popup-content .popup-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
  font-size: 12px;
}

.leaflet-popup-content .popup-label {
  color: var(--text-muted);
}

.leaflet-popup-content .popup-value {
  color: var(--text-primary);
  font-weight: 600;
}

.leaflet-control-zoom a {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover {
  background: var(--bg-card-hover) !important;
}

.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.detail-modal.show {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 700px;
  max-height: 80vh;
  overflow-y: auto;
  z-index: 1;
  box-shadow: var(--shadow);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 82, 82, 0.15);
  color: var(--danger);
}

.modal-body {
  padding: 24px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.detail-item {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
}

.detail-item .di-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.detail-item .di-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.pagination button:hover {
  border-color: var(--primary-lighter);
  color: var(--primary-lighter);
}

.pagination button.active {
  background: var(--primary-lighter);
  color: var(--bg-dark);
  border-color: var(--primary-lighter);
}

.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.suggestion-chip {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
}

.suggestion-chip:hover {
  border-color: var(--primary-lighter);
  color: var(--primary-lighter);
  background: rgba(5, 191, 219, 0.06);
}

.media-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.media-tag.water {
  background: rgba(68, 138, 255, 0.15);
  color: var(--info);
}

.media-tag.soil {
  background: rgba(139, 195, 74, 0.15);
  color: #8bc34a;
}

.media-tag.sediment {
  background: rgba(255, 171, 0, 0.15);
  color: var(--warning);
}

.media-tag.crop {
  background: rgba(0, 200, 83, 0.15);
  color: var(--success);
}

.media-tag.air {
  background: rgba(156, 136, 255, 0.15);
  color: #9c88ff;
}

.warning-banner {
  background: rgba(255, 171, 0, 0.1);
  border: 1px solid rgba(255, 171, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--warning);
}

.gauge-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.gauge-svg {
  width: 180px;
  height: 100px;
}

.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background: #020b14;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#loginCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.login-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(5, 191, 219, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 191, 219, 0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.login-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.login-earth-wrap {
  position: relative;
  width: 960px;
  height: 960px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#loginEarthCanvas {
  position: relative;
  z-index: 2;
}

.login-earth-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(5, 191, 219, 0.12);
  animation: earthRingPulse 4s ease-in-out infinite;
}

.login-earth-ring.ring-1 {
  width: 992px;
  height: 992px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 0s;
}

.login-earth-ring.ring-2 {
  width: 1120px;
  height: 1120px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-style: dashed;
  animation-delay: 1.3s;
}

.login-earth-ring.ring-3 {
  width: 1248px;
  height: 1248px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 2.6s;
}

@keyframes earthRingPulse {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.03); }
}

.login-brand {
  text-align: center;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  white-space: nowrap;
}

.login-brand-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 6px;
  text-shadow: 0 0 40px rgba(5, 191, 219, 0.5);
  margin-bottom: 8px;
}

.login-brand-sub {
  font-size: 13px;
  color: rgba(5, 191, 219, 0.6);
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.login-brand-tags {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.login-tag {
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-lighter);
  background: rgba(5, 191, 219, 0.08);
  border: 1px solid rgba(5, 191, 219, 0.2);
  letter-spacing: 1px;
}

.login-card {
  width: 360px;
  flex-shrink: 0;
  background: rgba(6, 32, 47, 0.22);
  border: 1px solid rgba(14, 74, 102, 0.25);
  border-radius: 12px;
  padding: 28px 28px;
  backdrop-filter: blur(16px);
  position: absolute;
  z-index: 20;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-lighter), var(--accent), transparent);
}

.login-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 30px;
  border-bottom: 2px solid rgba(5, 191, 219, 0.2);
  border-left: 2px solid rgba(5, 191, 219, 0.2);
}

.login-card-header {
  text-align: center;
  margin-bottom: 20px;
}

.login-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(5, 191, 219, 0.08);
  border: 1px solid rgba(5, 191, 219, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-lighter);
  margin-bottom: 10px;
  box-shadow: 0 0 16px rgba(5, 191, 219, 0.12);
}

.login-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.login-card-desc {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.login-card .login-tabs {
  display: flex;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(14, 74, 102, 0.2);
}

.login-card .login-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  margin-bottom: -1px;
}

.login-card .login-tab.active {
  color: var(--primary-lighter);
  border-bottom-color: var(--primary-lighter);
}

.login-card .login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card .form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-icon {
  position: absolute;
  left: 14px;
  font-size: 14px;
  pointer-events: none;
  z-index: 1;
}

.form-input-wrap input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(14, 74, 102, 0.3);
  border-radius: 8px;
  padding: 11px 14px 11px 40px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.3s ease;
}

.form-input-wrap input:focus {
  border-color: var(--primary-lighter);
  background: rgba(5, 191, 219, 0.03);
  box-shadow: 0 0 12px rgba(5, 191, 219, 0.08);
}

.form-input-wrap input::placeholder {
  color: rgba(90, 138, 154, 0.5);
}

.login-card .login-btn {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
  color: var(--bg-dark);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 2px;
  position: relative;
  overflow: hidden;
}

.login-card .login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.login-card .login-btn:hover::before {
  left: 100%;
}

.login-card .login-btn:hover {
  box-shadow: 0 4px 20px rgba(5, 191, 219, 0.4);
  transform: translateY(-1px);
}

.login-btn-arrow {
  transition: transform 0.3s ease;
}

.login-card .login-btn:hover .login-btn-arrow {
  transform: translateX(4px);
}

.login-card .login-hint {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  opacity: 0.6;
}

.login-card .login-mode-info {
  background: rgba(5, 191, 219, 0.03);
  border: 1px solid rgba(5, 191, 219, 0.1);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.login-footer {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 10;
  font-size: 11px;
  color: rgba(90, 138, 154, 0.4);
  letter-spacing: 1px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

@media (max-width: 900px) {
  .login-earth-wrap {
    width: 500px;
    height: 500px;
  }
  .login-earth-ring.ring-1 { width: 520px; height: 520px; }
  .login-earth-ring.ring-2 { width: 580px; height: 580px; }
  .login-earth-ring.ring-3 { width: 640px; height: 640px; }
  .login-brand-title { font-size: 22px; letter-spacing: 3px; }
  .login-card {
    width: 90%;
    max-width: 380px;
    position: relative;
    top: auto;
    left: auto;
    transform: none;
  }
}

#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ========== 可视化大屏 - 科技感设计 ========== */
#page-dashboard {
  display: none;
}

#page-dashboard.active {
  display: block;
}

#page-dashboard.active .dashboard-screen {
  display: block;
}

.dashboard-fullscreen .page-header {
  display: none !important;
}

.dashboard-fullscreen .sidebar {
  display: none !important;
}

.dashboard-fullscreen .main-content {
  margin-left: 0 !important;
}

.dashboard-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  background: #020b14;
  display: none;
  z-index: 900;
}

/* 地图背景 */
.dashboard-map-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* 网格背景 */
.dashboard-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(5, 191, 219, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 191, 219, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.dashboard-map-bg .leaflet-container {
  background: #020b14 !important;
}

.dashboard-map-bg .leaflet-tile-pane {
  filter: saturate(0.3) brightness(0.35) hue-rotate(180deg) contrast(1.2);
}

.dashboard-map-bg .leaflet-overlay-pane {
  filter: none;
}

.dashboard-screen::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(2, 11, 20, 0.5) 70%, rgba(2, 11, 20, 0.85) 100%);
  pointer-events: none;
}

/* 扫描线动画 */
.dashboard-scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(5, 191, 219, 0.6), transparent);
  z-index: 10;
  animation: scanMove 4s linear infinite;
  pointer-events: none;
}

@keyframes scanMove {
  0% { top: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* 顶部标题栏 */
.dashboard-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px 20px;
  background: linear-gradient(180deg, rgba(2, 11, 20, 0.97) 0%, rgba(2, 11, 20, 0.8) 50%, transparent 100%);
  pointer-events: none;
}

.dashboard-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(5, 191, 219, 0.5), transparent);
}

.dashboard-title-wrap {
  text-align: center;
  position: relative;
}

.dashboard-title {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 4px;
  text-shadow: 0 0 20px rgba(5, 191, 219, 0.5);
}

.dashboard-subtitle {
  font-size: 11px;
  color: var(--primary-lighter);
  letter-spacing: 6px;
  margin-top: 4px;
  opacity: 0.8;
}

.dashboard-header-deco {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 20px;
}

.dashboard-header-deco .deco-line {
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-lighter), transparent);
}

.dashboard-header-deco.left .deco-line {
  background: linear-gradient(90deg, transparent, var(--primary-lighter));
  animation: decoLineGlow 3s ease-in-out infinite;
}

.dashboard-header-deco.right .deco-line {
  background: linear-gradient(90deg, var(--primary-lighter), transparent);
  animation: decoLineGlow 3s ease-in-out infinite 1.5s;
}

@keyframes decoLineGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.dashboard-header-deco .deco-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-lighter);
  box-shadow: 0 0 8px var(--primary-lighter);
  animation: decoDotPulse 2s ease-in-out infinite;
}

@keyframes decoDotPulse {
  0%, 100% { box-shadow: 0 0 8px var(--primary-lighter); }
  50% { box-shadow: 0 0 16px var(--primary-lighter), 0 0 24px rgba(5, 191, 219, 0.3); }
}

.dashboard-datetime {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.dashboard-back-btn {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(14, 74, 102, 0.4);
  background: rgba(6, 32, 47, 0.4);
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  pointer-events: auto;
  z-index: 25;
  backdrop-filter: blur(8px);
}

.dashboard-back-btn:hover {
  background: rgba(255, 82, 82, 0.2);
  border-color: rgba(255, 82, 82, 0.6);
  color: #ff5252;
  box-shadow: 0 0 16px rgba(255, 82, 82, 0.3);
  transform: translateY(-50%) scale(1.1);
}

/* KPI指标栏 */
.dashboard-kpi-bar {
  position: absolute;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 40px;
  background: rgba(6, 32, 47, 0.2);
  border: 1px solid rgba(14, 74, 102, 0.2);
  border-radius: 8px;
  padding: 10px 32px;
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.dashboard-kpi-item {
  text-align: center;
  position: relative;
}

.dashboard-kpi-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: rgba(14, 74, 102, 0.5);
}

.kpi-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.kpi-value {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 10px rgba(5, 191, 219, 0.4);
  font-variant-numeric: tabular-nums;
}

/* 左右侧面板 */
.dashboard-left-panel,
.dashboard-right-panel {
  position: absolute;
  top: 130px;
  bottom: 8px;
  z-index: 20;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 12px;
  pointer-events: auto;
  overflow-y: auto;
  overflow-x: hidden;
}

.dashboard-left-panel::-webkit-scrollbar,
.dashboard-right-panel::-webkit-scrollbar {
  width: 2px;
}

.dashboard-left-panel::-webkit-scrollbar-thumb,
.dashboard-right-panel::-webkit-scrollbar-thumb {
  background: rgba(5, 191, 219, 0.2);
  border-radius: 1px;
}

.dashboard-left-panel {
  left: 0;
}

.dashboard-right-panel {
  right: 0;
}

/* 面板卡片 */
.db-panel {
  background: rgba(6, 32, 47, 0.28);
  border: 1px solid rgba(14, 74, 102, 0.25);
  border-radius: 8px;
  overflow: hidden;
  backdrop-filter: blur(14px);
  position: relative;
  animation: panelFadeIn 0.6s ease forwards;
  flex-shrink: 0;
}

.db-panel.flex-fill {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.db-panel.flex-fill .db-panel-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.db-alert-body {
  padding: 0 !important;
  display: flex;
  flex-direction: column;
}

.db-alert-body .db-alert-table {
  flex-shrink: 0;
}

.db-alert-body .db-alert-table tbody {
  display: table-row-group;
}

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

.dashboard-left-panel .db-panel:nth-child(1) { animation-delay: 0.1s; }
.dashboard-left-panel .db-panel:nth-child(2) { animation-delay: 0.2s; }
.dashboard-left-panel .db-panel:nth-child(3) { animation-delay: 0.3s; }
.dashboard-right-panel .db-panel:nth-child(1) { animation-delay: 0.15s; }
.dashboard-right-panel .db-panel:nth-child(2) { animation-delay: 0.25s; }
.dashboard-right-panel .db-panel:nth-child(3) { animation-delay: 0.35s; }

.db-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-lighter), transparent);
  opacity: 0.6;
}

.db-panel::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-bottom: 2px solid var(--primary-lighter);
  border-left: 2px solid var(--primary-lighter);
  opacity: 0.4;
}

.db-panel .db-panel-corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  border-top: 2px solid var(--primary-lighter);
  border-right: 2px solid var(--primary-lighter);
  opacity: 0.4;
  pointer-events: none;
}

.db-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(14, 74, 102, 0.15);
  background: rgba(5, 191, 219, 0.02);
}

.db-panel-icon {
  width: 3px;
  height: 14px;
  background: var(--primary-lighter);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--primary-lighter);
}

.db-panel-body {
  padding: 14px;
}

/* 仪表盘 */
.db-gauge-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.db-gauge-wrap canvas {
  display: block;
}

.db-gauge-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -40%);
  text-align: center;
}

.db-gauge-value {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.db-gauge-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.db-gauge-stats {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.db-stat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.db-stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.db-stat-dot.green { background: var(--success); box-shadow: 0 0 4px var(--success); }
.db-stat-dot.orange { background: var(--warning); box-shadow: 0 0 4px var(--warning); }
.db-stat-dot.blue { background: var(--info); box-shadow: 0 0 4px var(--info); }
.db-stat-dot.yellow { background: #ffeb3b; box-shadow: 0 0 4px #ffeb3b; }
.db-stat-dot.red { background: var(--danger); box-shadow: 0 0 4px var(--danger); }
.db-stat-dot.gray { background: var(--text-muted); }

.db-stat-text {
  color: var(--text-secondary);
  flex: 1;
}

.db-stat-num {
  color: #fff;
  font-weight: 700;
  font-size: 13px;
}

/* 告警表格 */
.db-alert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.db-alert-table thead th {
  background: rgba(5, 191, 219, 0.04);
  padding: 8px 6px;
  text-align: center;
  font-weight: 600;
  color: var(--primary-lighter);
  font-size: 10px;
  border-bottom: 1px solid rgba(14, 74, 102, 0.25);
  white-space: nowrap;
}

.db-alert-table tbody td {
  padding: 6px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

.db-alert-table tbody tr:hover {
  background: rgba(5, 191, 219, 0.04);
}

.db-alert-status {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
}

.db-alert-status.done {
  background: rgba(0, 200, 83, 0.15);
  color: var(--success);
}

.db-alert-status.pending {
  background: rgba(255, 171, 0, 0.15);
  color: var(--warning);
  animation: alertBlink 2s ease-in-out infinite;
}

@keyframes alertBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* 底部信息栏 */
.dashboard-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 25;
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 10px 24px 12px;
  background: rgba(6, 32, 47, 0.25);
  border-top: 1px solid rgba(14, 74, 102, 0.2);
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.dashboard-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(5, 191, 219, 0.3), transparent);
}

.db-footer-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.db-footer-label {
  font-size: 11px;
  color: var(--text-muted);
}

.db-footer-value {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}

/* 地图点位脉冲动画 */
@keyframes pulseRing {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

.dashboard-pulse-marker {
  background: none !important;
  border: none !important;
}

.dashboard-pulse-marker .pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid;
  transform: translate(-50%, -50%) scale(0.5);
  animation: pulseRing 2.5s ease-out infinite;
}

.dashboard-pulse-marker .pulse-ring.delay {
  animation-delay: 1.25s;
}

/* 响应式 */
@media (max-width: 1400px) {
  .dashboard-left-panel,
  .dashboard-right-panel {
    width: 280px;
  }
}

@media (max-width: 1200px) {
  .dashboard-left-panel,
  .dashboard-right-panel {
    width: 260px;
  }
  .dashboard-kpi-bar {
    gap: 24px;
    padding: 8px 20px;
  }
}

@media (max-width: 992px) {
  .dashboard-left-panel,
  .dashboard-right-panel {
    width: 200px;
    padding: 0 8px;
  }
  .dashboard-kpi-bar {
    gap: 16px;
    padding: 6px 12px;
  }
  .kpi-value {
    font-size: 16px;
  }
}

.news-source {
  font-size: 11px;
  color: var(--primary-lighter);
  margin-left: 8px;
  padding: 1px 6px;
  background: rgba(5, 191, 219, 0.08);
  border-radius: 4px;
}

.field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.field-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 10px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.field-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

.field-table .field-required {
  color: var(--danger);
  font-weight: 600;
}

.field-table .field-optional {
  color: var(--text-muted);
}

.chat-model-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  background: rgba(0, 255, 202, 0.1);
  color: var(--accent);
  margin-bottom: 8px;
}

@media (max-width: 1200px) {
  .grid-2, .grid-3, .grid-2-1, .grid-1-2 {
    grid-template-columns: 1fr;
  }
  .risk-dashboard {
    grid-template-columns: 1fr;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-banner {
    padding: 24px;
  }
  .hero-title {
    font-size: 22px;
  }
  .theme-grid {
    grid-template-columns: 1fr;
  }
}

/* 空间分布页面 - 左侧污染物分类目录（悬浮在地图上） */
.spatial-layout {
  display: flex;
  gap: 0;
  padding: 0;
  position: relative;
}

.spatial-sidebar {
  position: absolute;
  left: 20px;
  top: 20px;
  z-index: 500;
  width: 48px;
  background: rgba(6, 32, 47, 0.55);
  border: 1px solid rgba(14, 74, 102, 0.4);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - var(--header-height) - 80px);
  backdrop-filter: blur(4px);
  transition: all 0.35s ease;
}

.spatial-sidebar:hover {
  width: 220px;
  background: rgba(6, 32, 47, 0.92);
  border-color: var(--border);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.spatial-sidebar-header {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(14, 74, 102, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(5, 191, 219, 0.06);
  white-space: nowrap;
  overflow: hidden;
}

.spatial-sidebar:hover .spatial-sidebar-header {
  border-bottom-color: var(--border);
}

.spatial-sidebar-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.spatial-sidebar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0;
  transition: opacity 0.25s ease 0.05s;
}

.spatial-sidebar:hover .spatial-sidebar-title {
  opacity: 1;
}

.pollutant-tree {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0;
  opacity: 0;
  transition: opacity 0.25s ease 0.05s;
}

.spatial-sidebar:hover .pollutant-tree {
  opacity: 1;
}

.pollutant-category {
  margin-bottom: 2px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  user-select: none;
}

.category-header:hover {
  background: rgba(5, 191, 219, 0.06);
  color: var(--text-primary);
}

.category-toggle {
  font-size: 10px;
  color: var(--text-muted);
  width: 14px;
  text-align: center;
  transition: transform 0.2s ease;
}

.pollutant-category.expanded .category-toggle {
  transform: rotate(0deg);
}

.category-icon {
  font-size: 14px;
}

.category-name {
  flex: 1;
}

.category-items {
  padding-left: 36px;
  padding-right: 8px;
  padding-bottom: 4px;
}

.pollutant-item {
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-bottom: 1px;
  position: relative;
}

.pollutant-item:hover {
  background: rgba(5, 191, 219, 0.08);
  color: var(--text-primary);
}

.pollutant-item.active {
  background: linear-gradient(90deg, rgba(5, 191, 219, 0.15), rgba(0, 255, 202, 0.05));
  color: var(--accent);
  font-weight: 600;
}

.pollutant-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.spatial-sidebar-footer {
  padding: 10px 14px;
  border-top: 1px solid rgba(14, 74, 102, 0.3);
  background: rgba(255, 255, 255, 0.02);
  opacity: 0;
  transition: opacity 0.25s ease 0.05s;
  white-space: nowrap;
  overflow: hidden;
}

.spatial-sidebar:hover .spatial-sidebar-footer {
  opacity: 1;
  border-top-color: var(--border);
}

.spatial-hint {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

.spatial-main {
  flex: 1;
  min-width: 0;
  padding: 0;
}

.spatial-map-fullscreen {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--header-height));
}

.spatial-map-fullscreen #spatialMap {
  width: 100%;
  height: 100%;
}

.spatial-map-fullscreen:fullscreen,
.spatial-map-fullscreen:-webkit-full-screen {
  background: var(--bg-dark);
}

.spatial-map-fullscreen:fullscreen #spatialMap,
.spatial-map-fullscreen:-webkit-full-screen #spatialMap {
  width: 100vw;
  height: 100vh;
}

.spatial-warning-float {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: rgba(6, 32, 47, 0.75);
  border: 1px solid rgba(255, 171, 0, 0.25);
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 12px;
  color: var(--warning);
  backdrop-filter: blur(8px);
  white-space: nowrap;
  pointer-events: none;
}

.spatial-toolbar-float {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: rgba(6, 32, 47, 0.8);
  border: 1px solid rgba(14, 74, 102, 0.5);
  border-radius: var(--radius);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(10px);
}

.spatial-toolbar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.spatial-toolbar-actions {
  display: flex;
  gap: 6px;
}

.spatial-stats-float {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 500;
  background: rgba(6, 32, 47, 0.8);
  border: 1px solid rgba(14, 74, 102, 0.5);
  border-radius: var(--radius);
  padding: 12px 16px;
  backdrop-filter: blur(10px);
  display: flex;
  gap: 20px;
}

.sf-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.sf-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sf-value {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

@media (max-width: 1200px) {
  .spatial-layout {
    flex-direction: column;
  }
  .spatial-sidebar {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    max-height: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: none;
    margin: 0 20px;
  }
  .spatial-sidebar:hover {
    width: 100%;
    background: var(--bg-card);
  }
  .pollutant-tree,
  .spatial-sidebar-title,
  .spatial-sidebar-footer {
    opacity: 1;
  }
  .spatial-main {
    padding: 0;
  }
  .spatial-map-fullscreen {
    height: 60vh;
  }
}