/* ============================================
   Mileage Tracker — Dark Theme Dashboard
   ============================================ */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2130;
  --bg-hover: #262a3a;
  --border: #2a2e3f;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0b0;
  --text-muted: #6b7185;
  --accent: #4f8cff;
  --accent-hover: #3a7af0;
  --green: #34d399;
  --green-bg: rgba(52, 211, 153, 0.1);
  --red: #f87171;
  --red-bg: rgba(248, 113, 113, 0.1);
  --orange: #fbbf24;
  --orange-bg: rgba(251, 191, 36, 0.1);
  --purple: #a78bfa;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

#app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

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

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

.badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.badge.active {
  background: var(--green-bg);
  border-color: var(--green);
  color: var(--green);
  animation: pulse 2s infinite;
}

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

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s;
}

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

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

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

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

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

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

.stat-card {
  text-align: center;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Filters */
.filters {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

.filter-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group input,
.filter-group select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 0.85rem;
  font-family: inherit;
}

.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Main Content */
.main-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 20px;
}

.map-card {
  padding: 0;
  overflow: hidden;
  min-height: 500px;
}

.map-container {
  width: 100%;
  height: 100%;
  min-height: 500px;
}

/* Trip List */
.trips-card {
  max-height: 600px;
  display: flex;
  flex-direction: column;
}

.trips-card h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.trip-list {
  flex: 1;
  overflow-y: auto;
}

.trip-item {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 6px;
  margin-bottom: 4px;
}

.trip-item:hover {
  background: var(--bg-hover);
}

.trip-item.selected {
  background: var(--bg-hover);
  border-left: 3px solid var(--accent);
}

.trip-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.trip-route {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trip-meta {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.trip-purpose {
  display: inline-block;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.purpose-business { background: var(--green-bg); color: var(--green); }
.purpose-personal { background: var(--orange-bg); color: var(--orange); }
.purpose-medical { background: rgba(168, 139, 250, 0.1); color: var(--purple); }
.purpose-charity { background: rgba(96, 165, 250, 0.1); color: #60a5fa; }

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 40px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.pagination button {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
}

.pagination button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

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

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

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Trip Detail in Modal */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.detail-item label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.detail-item span {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.detail-map {
  width: 100%;
  height: 250px;
  border-radius: 8px;
  margin-top: 16px;
}

/* Reclassify */
.reclassify-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

.reclassify-bar label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.reclassify-bar select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  padding: 4px 8px;
  font-size: 0.85rem;
}

/* Location item */
.location-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.location-info h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.location-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.location-actions {
  display: flex;
  gap: 4px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Responsive */
@media (max-width: 900px) {
  .summary-cards { grid-template-columns: repeat(2, 1fr); }
  .main-content { grid-template-columns: 1fr; }
  .trips-card { max-height: 400px; }
}

@media (max-width: 600px) {
  #app { padding: 12px; }
  .summary-cards { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-value { font-size: 1.3rem; }
  .header h1 { font-size: 1.1rem; }
}