.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-border);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-fab {
  position: fixed;
  bottom: calc(var(--spacing-lg) + 60px);
  right: var(--spacing-md);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

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

.form-group input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.form-group-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-group-inline input {
  flex: 1;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-image .lqip {
  position: absolute;
  inset: 0;
  filter: blur(20px);
  transform: scale(1.1);
}

.card-body {
  padding: var(--spacing-md);
}

.card-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

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

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

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

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

.badge-warning {
  background: var(--color-warning);
  color: var(--color-bg);
}

.badge-error {
  background: var(--color-error);
  color: white;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal.hidden {
  display: none;
}

.modal-content {
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.close-modal {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  padding: var(--spacing-xs);
  line-height: 1;
}

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

.modal-body {
  padding: var(--spacing-md);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-card);
  color: var(--color-text);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

.toast.hidden {
  display: none;
}

.toast.success {
  border-left: 4px solid var(--color-success);
}

.toast.error {
  border-left: 4px solid var(--color-error);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 64px;
  height: 64px;
}

.list-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-card);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.list-item:hover {
  background: var(--color-bg-secondary);
}

.list-item-content {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.image-preview {
  margin-top: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.image-preview img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
}

.search-box {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.search-box input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.train-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.train-badge.ic {
  background: #1e40af;
  color: white;
}

.train-badge.reg {
  background: #047857;
  color: white;
}

.train-badge.z {
  background: #7c3aed;
  color: white;
}

.train-badge.mus {
  background: #b45309;
  color: white;
}

.train-badge.cargo {
  background: #374151;
  color: white;
}

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

.map-controls {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.map-control-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 1.25rem;
  transition: background var(--transition-fast);
}

.map-control-btn:hover {
  background: var(--color-bg-secondary);
}

.train-popup {
  min-width: 200px;
}

.train-popup h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.train-popup .train-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.train-popup .train-status {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.train-popup .on-time {
  color: var(--color-success);
}

.train-popup .delayed {
  color: var(--color-warning);
}

.train-popup .late {
  color: var(--color-error);
}