/* HeavyPark Admin Dashboard - Pure CSS */

:root {
  /* Palette: Parking garage concrete + amber accents */
  --bg-primary: #0f1216;
  --bg-secondary: #1a1f26;
  --bg-tertiary: #242b35;
  --bg-card: #1e252e;

  --text-primary: #e8eaed;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-subtle: rgba(245, 158, 11, 0.15);

  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.15);
  --warning: #eab308;
  --warning-bg: rgba(234, 179, 8, 0.15);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.15);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.15);

  --occupancy-low: #22c55e;
  --occupancy-medium: #eab308;
  --occupancy-high: #ef4444;

  --chart-1: #f59e0b;
  --chart-2: #22c55e;
  --chart-3: #3b82f6;
  --chart-4: #8b5cf6;

  --border: #2d3748;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;
}

/* Light theme */
html[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-subtle: rgba(217, 119, 6, 0.12);

  --success: #16a34a;
  --success-bg: rgba(22, 163, 74, 0.12);
  --warning: #ca8a04;
  --warning-bg: rgba(234, 179, 8, 0.12);
  --error: #dc2626;
  --error-bg: rgba(239, 68, 68, 0.12);
  --info: #2563eb;
  --info-bg: rgba(59, 130, 246, 0.12);

  --occupancy-low: #22c55e;
  --occupancy-medium: #eab308;
  --occupancy-high: #ef4444;

  --chart-1: #d97706;
  --chart-2: #16a34a;
  --chart-3: #2563eb;
  --chart-4: #7c3aed;

  --border: #cbd5e1;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition), width var(--transition);
}

.sidebar-brand {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  font-size: 1.5rem;
}

.brand-text {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin-bottom: 2px;
  transition: background var(--transition), color var(--transition);
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-subtle);
  color: var(--accent);
  font-weight: 500;
}

.nav-icon {
  font-size: 1.1rem;
  opacity: 0.9;
}

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}

.nav-item-muted {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

/* Main content */
.main {
  flex: 1;
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
}

.page-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.breadcrumb {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-left: 0.5rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lot-select {
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
}

.icon-btn {
  position: relative;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition);
}

.icon-btn:hover {
  background: var(--bg-card);
}

.theme-toggle {
  padding: 0.5rem 0.65rem;
  font-size: 1.1rem;
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.lang-btn {
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.lang-btn.active {
  background: var(--accent-subtle);
  color: var(--accent);
}

.notifications-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--error);
  color: white;
  font-size: 0.65rem;
  padding: 0.15em 0.4em;
  border-radius: 10px;
  min-width: 1.2em;
  text-align: center;
}

/* Notification bell dropdown */
.notifications-menu {
  position: relative;
}

.notifications-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 300px;
  max-width: 360px;
  max-height: 400px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.notifications-dropdown.hidden {
  display: none;
}

.notifications-dropdown-header {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

.notifications-dropdown-list {
  overflow-y: auto;
  max-height: 320px;
}

.notifications-dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  text-align: left;
}

.notifications-dropdown-item:last-of-type {
  border-bottom: none;
}

.notifications-dropdown-item:hover {
  background: var(--bg-tertiary);
}

.notifications-dropdown-item strong {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.15rem;
}

.notifications-dropdown-item .alert-message {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.notifications-dropdown-item.warning strong { color: var(--warning, #f59e0b); }
.notifications-dropdown-item.error strong { color: var(--error); }
.notifications-dropdown-item.info strong { color: var(--muted); }

.notifications-dropdown-footer {
  padding: 0.625rem 1rem;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  border-top: 1px solid var(--border);
  text-align: center;
}

.notifications-dropdown-footer:hover {
  background: var(--bg-tertiary);
}

.user-menu {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background var(--transition);
}

.user-btn:hover {
  background: var(--bg-card);
}

.user-btn .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #d97706);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
}

.dropdown-arrow {
  font-size: 0.6rem;
  opacity: 0.7;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  min-width: 140px;
  box-shadow: var(--shadow);
}

.user-menu:hover .dropdown-menu {
  display: flex;
  flex-direction: column;
}

.dropdown-menu a {
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.dropdown-menu a:hover {
  background: var(--bg-tertiary);
}

/* Content */
.content {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  position: relative;
}

/* Loading skeletons */
.content-skeleton {
  position: absolute;
  inset: 0;
  padding: 1.5rem;
  background: var(--bg-primary);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.content-skeleton.hidden {
  display: none;
}

.skeleton-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.skeleton-card {
  height: 100px;
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  animation: skeleton-pulse 1.2s ease-in-out infinite;
}

.skeleton-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skeleton-line {
  height: 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  animation: skeleton-pulse 1.2s ease-in-out infinite;
  width: 60%;
}

.skeleton-line.long { width: 90%; }
.skeleton-line.short { width: 40%; }

.skeleton-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skeleton-row {
  display: flex;
  gap: 1rem;
}

.skeleton-row span {
  flex: 1;
  height: 2rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  animation: skeleton-pulse 1.2s ease-in-out infinite;
}

.skeleton-row span:last-child { flex: 0.5; }

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.action-btn {
  padding: 0.625rem 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.action-btn:hover {
  background: var(--bg-card);
  border-color: var(--accent);
}

.action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
}

.action-btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.action-btn.primary.destructive {
  background: var(--error);
  border-color: var(--error);
  color: white;
}

.action-btn.primary.destructive:hover {
  background: #dc2626;
  border-color: #dc2626;
}

.action-btn.full {
  width: 100%;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.25rem 0;
  letter-spacing: -0.02em;
}

.kpi-suffix {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.kpi-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.progress-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.75rem 0;
}

.progress-fill {
  height: 100%;
  width: var(--fill, 0%);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Dynamic occupancy bar color: green < 70%, yellow 70–90%, red > 90% */
.progress-fill.occupancy[data-level="low"] {
  background: var(--occupancy-low);
}

.progress-fill.occupancy[data-level="medium"] {
  background: var(--occupancy-medium);
}

.progress-fill.occupancy[data-level="high"] {
  background: var(--occupancy-high);
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dashboard-grid .occupancy-panel {
  grid-row: span 2;
}

/* Panels */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.panel-badge {
  font-size: 0.7rem;
  padding: 0.2em 0.5em;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 4px;
}

.panel-badge.alert {
  background: var(--error-bg);
  color: var(--error);
}

/* Occupancy map */
.occupancy-map {
  padding: 1.25rem;
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.zone {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: transform var(--transition);
}

.zone:hover {
  transform: scale(1.03);
}

.zone span {
  font-size: 0.7rem;
  opacity: 0.9;
  margin-top: 0.25rem;
}

.zone[data-fill="low"] {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(34, 197, 94, 0.5));
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #86efac;
}

.zone[data-fill="medium"] {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.3), rgba(234, 179, 8, 0.5));
  border: 1px solid rgba(234, 179, 8, 0.5);
  color: #fde047;
}

.zone[data-fill="high"] {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.3), rgba(239, 68, 68, 0.5));
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #fca5a5;
}

/* Session feed */
.session-feed {
  max-height: 320px;
  overflow-y: auto;
}

.feed-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  align-items: center;
}

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

.feed-type {
  font-weight: 700;
  font-size: 0.7rem;
  padding: 0.2em 0.4em;
  border-radius: 4px;
}

.feed-item.entry .feed-type {
  background: var(--success-bg);
  color: var(--success);
}

.feed-item.exit .feed-type {
  background: var(--info-bg);
  color: var(--info);
}

.feed-plate {
  font-family: ui-monospace, monospace;
  font-weight: 600;
}

.feed-time {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.feed-gate {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.feed-duration {
  grid-column: 2 / -1;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Alert list */
.alert-list {
  padding: 0.5rem;
}

.alert-item {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  border-left: 4px solid;
}

.alert-item:last-child {
  margin-bottom: 0;
}

.alert-item.warning {
  background: var(--warning-bg);
  border-color: var(--warning);
}

.alert-item.error {
  background: var(--error-bg);
  border-color: var(--error);
}

.alert-item.info {
  background: var(--info-bg);
  border-color: var(--info);
}

.alert-icon {
  font-size: 1.25rem;
}

.alert-item strong {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.alert-item p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Charts grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 1rem;
}

.chart-panel .panel-header {
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chart-legend {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.25rem;
  vertical-align: middle;
}

.legend-dot.today {
  background: var(--accent);
}

.legend-dot.avg {
  background: var(--text-muted);
}

.chart-container {
  padding: 1.25rem;
  min-height: 220px;
}

.chart-container canvas {
  display: block;
  width: 100%;
  height: 220px;
}

.chart-container.donut-container canvas {
  width: 280px;
  height: 280px;
  margin: 0 auto;
}

.donut-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.donut-center {
  position: absolute;
  text-align: center;
}

.donut-total {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.donut-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.donut-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.donut-legend span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.donut-legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--c, var(--chart-1));
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-sm {
  max-width: 320px;
}

.modal-overlay .modal {
  display: none;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

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

.modal-warning {
  font-size: 0.9rem;
  color: var(--warning);
  margin: 1rem 0;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow);
  color: var(--text-primary);
  font-size: 0.9rem;
  animation: toast-in 0.25s ease;
  pointer-events: auto;
}

.toast.toast-exit {
  animation: toast-out 0.2s ease forwards;
}

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

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

.forgot-password-success {
  text-align: center;
  padding: 1rem 0;
}

.forgot-password-success .success-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
}

.forgot-password-success p {
  margin: 0 0 0.5rem;
}

.forgot-password-success .muted {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Page content switching */
.page-content.hidden {
  display: none !important;
}

.page-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.search-filter-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.bulk-actions-row {
  display: flex;
  gap: 0.5rem;
}

.col-checkbox {
  width: 2.5rem;
  text-align: center;
  padding: 0.5rem;
}

.col-checkbox input[type="checkbox"] {
  cursor: pointer;
}

.search-input {
  padding: 0.5rem 1rem;
  min-width: 220px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.filter-select {
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
}

/* Data tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.data-table code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
}

.muted {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Status badges */
.status-badge {
  font-size: 0.7rem;
  padding: 0.25em 0.5em;
  border-radius: 4px;
  text-transform: capitalize;
}

.status-badge.status-active { background: var(--success-bg); color: var(--success); }
.status-badge.status-completed { background: var(--success-bg); color: var(--success); }
.status-badge.status-paid { background: var(--success-bg); color: var(--success); }
.status-badge.status-suspended { background: var(--warning-bg); color: var(--warning); }
.status-badge.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-badge.status-disputed { background: var(--info-bg); color: var(--info); }
.status-badge.status-cancelled { background: var(--error-bg); color: var(--error); }
.status-badge.status-overdue { background: var(--error-bg); color: var(--error); }
.status-badge.status-void { background: var(--bg-tertiary); color: var(--text-muted); }
.status-badge.status-revoked { background: var(--error-bg); color: var(--error); }
.status-badge.status-online { background: var(--success-bg); color: var(--success); }
.status-badge.status-fault { background: var(--error-bg); color: var(--error); }
.status-badge.status-offline { background: var(--text-muted); color: var(--text-primary); }
.status-badge.status-investigating { background: var(--warning-bg); color: var(--warning); }
.status-badge.status-resolved { background: var(--success-bg); color: var(--success); }
.status-badge.status-open { background: var(--info-bg); color: var(--info); }
.status-badge.status-approved { background: var(--success-bg); color: var(--success); }
.status-badge.status-rejected { background: var(--error-bg); color: var(--error); }
.status-badge.status-adjusted { background: var(--warning-bg); color: var(--warning); }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
  margin-right: 0.5rem;
}

.link-btn:hover {
  text-decoration: underline;
}

/* Lots grid */
.lots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.lot-card {
  padding: 1.25rem;
}

.lot-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.lot-address {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.lot-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Gates grid */
.gates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.gate-card {
  padding: 1.25rem;
}

.gate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.gate-header h3 {
  margin: 0;
  font-size: 1rem;
}

.gate-type, .gate-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.25rem 0;
}

.gate-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

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

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

.tab-content {
  display: none;
}

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

/* Reports grid */
.section-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
}

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

.report-card {
  padding: 1.25rem;
}

.report-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.report-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

/* Notifications */
.notifications-sections {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel-body {
  padding: 1.25rem;
}

.incident-image-section {
  margin-bottom: 1.25rem;
}

.incident-image-section h4 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.incident-image-wrap {
  max-width: 400px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.incident-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: cover;
}

/* 404 Page */
.page-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  text-align: center;
  padding: 2rem;
}

.page-404 h2 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.page-404-message {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
}

.page-404 .action-btn {
  text-decoration: none;
}

.broadcast-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  margin-bottom: 1rem;
  resize: vertical;
}

.action-btn.small {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

/* Settings */
.settings-panel .form-group {
  margin-bottom: 1rem;
}

.settings-panel .action-btn {
  margin-top: 0.5rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Chart placeholder in reports */
.chart-placeholder {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Empty state */
.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

/* Back button */
.back-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  margin-bottom: 1rem;
}

.back-btn:hover {
  text-decoration: underline;
}

/* Detail pages */
.detail-header {
  margin-bottom: 1rem;
}

.detail-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.detail-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tab-actions-row {
  margin-bottom: 1rem;
}

.detail-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.detail-tabs {
  margin-bottom: 1rem;
}

.detail-tab-content .zone-row,
.detail-tab-content .gate-row,
.detail-tab-content .plan-row {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.detail-tab-content .gate-row span,
.detail-tab-content .plan-row span,
.detail-tab-content .zone-row span {
  flex: 1;
}

.detail-tab-content .zone-row {
  flex-wrap: wrap;
}

.detail-tab-content .zone-row .action-btn {
  flex-shrink: 0;
}

/* Lot Rules form */
.rules-form .form-group {
  margin-bottom: 1rem;
}

.rules-form .rules-slider {
  width: 100%;
  max-width: 280px;
  accent-color: var(--accent);
}

.rules-form .rules-vehicle-types {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.rules-form .rules-vehicle-types .toggle-label {
  margin: 0;
}

.rules-form #rules-overstay,
.rules-form #rules-max-session {
  width: 100%;
  max-width: 120px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.readonly-input {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: normal;
}

.toggle-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
}

.gate-detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1rem;
}

@media (max-width: 768px) {
  .gate-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* Report filters */
.report-filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-end;
  position: relative;
}

/* Date range picker */
.date-range-picker {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.date-range-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.date-range-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-range-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-width: 140px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.date-range-trigger:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.date-range-trigger:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

.date-range-value {
  flex: 1;
  text-align: left;
}

.date-range-value.placeholder {
  color: var(--text-muted);
}

.date-range-icon {
  font-size: 1rem;
  opacity: 0.8;
}

/* Calendar popover */
.calendar-popover {
  position: fixed;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  min-width: 260px;
}

.calendar-popover.hidden {
  display: none;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.calendar-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.calendar-nav {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.calendar-nav:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.calendar-day:hover:not(.disabled):not(.other-month) {
  background: var(--accent-subtle);
  color: var(--accent);
}

.calendar-day.selected {
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
}

.calendar-day.today {
  border: 1px solid var(--accent);
}

.calendar-day.other-month {
  color: var(--text-muted);
  opacity: 0.6;
}

.calendar-day.disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

/* QR Modal */
.modal-lg {
  max-width: 480px;
}

.qr-preview-area {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.qr-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto 1rem;
  border: 2px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.qr-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.qr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.qr-scan-log h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-grid .occupancy-panel {
    grid-row: auto;
  }

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

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition);
}

@media (max-width: 768px) {
  .sidebar-overlay {
    display: block;
  }

  .sidebar-overlay.hidden {
    pointer-events: none;
    opacity: 0;
  }

  .sidebar-overlay:not(.hidden) {
    pointer-events: auto;
    opacity: 1;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
  }

  .main {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .topbar-left {
    flex-wrap: wrap;
  }

  .topbar-right {
    flex-wrap: wrap;
  }

  .topbar .user-name {
    display: none;
  }

  .lot-select {
    min-width: 120px;
  }

  .icon-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }

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

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .page-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .search-filter-row {
    flex-direction: column;
    gap: 0.5rem;
  }

  .search-filter-row .search-input,
  .search-filter-row .filter-select {
    min-width: 100%;
    width: 100%;
  }

  .bulk-actions-row {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .quick-actions {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .quick-actions .action-btn,
  .page-header-row .action-btn {
    min-height: 44px;
    padding: 0.625rem 1rem;
  }

  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1rem 1rem;
    padding: 0 1rem;
  }

  .data-table {
    min-width: 600px;
  }

  .content {
    padding: 1rem;
  }

  .report-filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .report-filters-row .filter-select,
  .report-filters-row .date-range-picker {
    width: 100%;
  }

  .date-range-picker {
    flex-direction: column;
  }

  .date-range-trigger {
    min-width: 100%;
  }

  .link-btn {
    min-height: 36px;
    padding: 0.5rem 0.75rem;
  }

  .action-btn {
    min-height: 40px;
  }
}

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

  .page-title {
    font-size: 1.1rem;
  }
}