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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-900);
  height: 100vh;
  overflow: hidden;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: white;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  z-index: 1000;
}

.header h1 {
  font-size: 1.25rem;
  font-weight: 700;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-500);
}

.dot.online {
  background: var(--success);
}

.dot.offline {
  background: var(--danger);
}

/* Map */
#map {
  flex: 1;
  z-index: 1;
}

/* Custom map markers */
.custom-marker {
  background: white;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--primary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: transform 0.2s;
}

.custom-marker:hover {
  transform: scale(1.1);
}

.custom-marker.available {
  border-color: var(--success);
}

.custom-marker.charging {
  border-color: var(--primary);
  animation: pulse-border 2s infinite;
}

.custom-marker.offline {
  border-color: var(--gray-500);
  opacity: 0.7;
}

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
}

/* Station Panel */
.panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: 12px 20px 30px;
  transform: translateY(100%);
  transition: transform 0.3s ease-out;
  z-index: 1001;
  max-height: 70vh;
  overflow-y: auto;
}

.panel.open {
  transform: translateY(0);
}

.panel-handle {
  width: 40px;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  margin: 0 auto 16px;
  cursor: pointer;
}

.station-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.station-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.available {
  background: #d1fae5;
  color: #065f46;
}

.status-badge.charging {
  background: #dbeafe;
  color: #1e40af;
}

.status-badge.offline {
  background: var(--gray-200);
  color: var(--gray-700);
}

.status-badge.preparing {
  background: #fef3c7;
  color: #92400e;
}

.station-details {
  margin-bottom: 20px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}

.detail-row .label {
  color: var(--gray-500);
  font-size: 0.875rem;
}

.detail-row .value {
  font-weight: 500;
}

/* Charging Display */
.charging-display {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  color: white;
}

.charging-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 16px;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
}

.stat.primary .stat-value {
  font-size: 2rem;
}

.stat-unit {
  font-size: 0.75rem;
  opacity: 0.8;
}

.stat-label {
  font-size: 0.7rem;
  opacity: 0.7;
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}

.charging-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
}

.pulse {
  width: 12px;
  height: 12px;
  background: white;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* Buttons */
.actions {
  display: flex;
  gap: 12px;
}

.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

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

.btn-full {
  width: 100%;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1002;
  padding: 20px;
}

.modal-content {
  background: white;
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 400px;
  padding: 20px;
  animation: slide-up 0.3s ease-out;
}

@keyframes slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-size: 1.25rem;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-500);
  cursor: pointer;
  padding: 4px 8px;
}

.demo-notice {
  background: #fef3c7;
  color: #92400e;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  z-index: 1003;
  animation: fade-in 0.3s;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

@keyframes fade-in {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Leaflet overrides */
.leaflet-control-attribution {
  font-size: 10px;
}