/* pilot-fuel - Dark Amber Theme */
:root {
  --bg-primary: #0d0d1a;
  --bg-secondary: #16162a;
  --bg-card: #1c1c35;
  --bg-card-hover: #222240;
  --border: #2a2a50;
  --border-light: #3a3a60;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-light: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --critical: #f97316;
  --critical-bg: rgba(249, 115, 22, 0.1);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

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

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

.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo { color: var(--accent); flex-shrink: 0; }

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
}

.nav-item:hover {
  background: var(--accent-glow);
  color: var(--accent-light);
}

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.nav-item-warning { position: relative; }

.badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 4px;
}

.logout-btn {
  color: var(--text-muted);
  font-size: 13px;
  padding: 6px 10px;
}

.logout-btn:hover { color: var(--danger); background: var(--danger-bg); }

/* Main content */
.main-content {
  flex: 1;
  margin-left: 220px;
  padding: 24px 32px;
  min-height: 100vh;
}

/* Login page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.login-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 14px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #1a1a2e;
  border-color: var(--accent);
}

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

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

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

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

.btn-danger:hover {
  background: #dc2626;
}

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

.btn-success:hover {
  background: #16a34a;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-full { width: 100%; }

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

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-error {
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #86efac;
}

.alert-warning {
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #fde68a;
}

.alert-info {
  background: var(--info-bg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}

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

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

.card-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.card-body { padding: 20px; }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

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

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

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

th {
  text-align: left;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Status badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-normal {
  background: var(--success-bg);
  color: var(--success);
}

.status-small-deviation {
  background: var(--warning-bg);
  color: var(--warning);
}

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

.status-pilot-missing {
  background: var(--critical-bg);
  color: var(--critical);
}

.status-false-reading {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-muted);
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header-actions {
  display: flex;
  gap: 8px;
}

/* Filters bar */
.filters-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: end;
}

.filters-bar .form-group {
  margin-bottom: 0;
}

/* HTMX loading */
.htmx-request { opacity: 0.6; }
.htmx-request .btn-text { display: none; }
.htmx-request .btn-loading { display: inline; }

.btn .btn-loading { display: none; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.modal-header h2 { font-size: 16px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

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

.modal-body { padding: 20px; }

.modal-footer {
  display: flex;
  justify-content: end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

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

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  padding: 10px 20px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-title,
  .nav-item span,
  .sidebar-user span,
  .badge { display: none; }
  .sidebar-header { justify-content: center; padding: 16px; }
  .sidebar-nav { padding: 8px 6px; }
  .nav-item { justify-content: center; padding: 10px; }
  .sidebar-footer { display: none; }
  .main-content { margin-left: 60px; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .filters-bar { flex-direction: column; }
}

/* Graph container */
.graph-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

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

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

.empty-state svg {
  margin-bottom: 16px;
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Period selector */
.sync-form {
  margin-bottom: 20px;
}

.period-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.period-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.chip.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

.chip-custom {
  border-style: dashed;
}

.custom-date-range {
  display: none;
  align-items: center;
  gap: 4px;
}

.custom-date-range input[type="date"] {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
}

.custom-date-range input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
}

.sync-btn {
  margin-left: auto;
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.tooltip:hover::after { opacity: 1; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* Vehicle group */
.vehicle-group {
  margin-bottom: 16px;
}

.vehicle-group:last-child {
  margin-bottom: 0;
}

.vehicle-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-light);
  border-bottom: 1px solid var(--border);
}

.vehicle-group-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 2px 8px;
  border-radius: 10px;
}

/* False reading row */
tr.row-false {
  opacity: 0.5;
}
tr.row-false td:first-child {
  text-decoration: line-through;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
}

.pagination span {
  font-size: 13px;
  color: var(--text-muted);
}

.pagination .chip[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}