/* Vehicle Modal - Side Panel */

.vehicle-side-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(50%, 42rem);
  height: 100vh;
  background: var(--color-surface-container-lowest);
  box-shadow: var(--shadow-overlay);
  border-left: 1px solid var(--color-outline-variant);
  transition: transform 0.3s ease-in-out;
  z-index: 1000;
  display: none;
  flex-direction: column;
  transform: translateX(100%);
}

.vehicle-side-panel.open {
  display: flex;
  transform: translateX(0);
}

.vehicle-side-panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: color-mix(in srgb, var(--color-inverse-surface) 40%, transparent);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
}

.vehicle-side-panel-overlay.open {
  display: block;
}

.vehicle-side-panel-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-surface-container-low);
}

.vehicle-side-panel-header h3 {
  margin: 0;
  font-size: var(--font-size-headline-sm);
  font-weight: var(--font-weight-headline-sm);
  color: var(--color-on-surface);
}

.vehicle-side-panel-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-default);
  transition: background 0.2s;
}

.vehicle-side-panel-close:hover {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
}

.vehicle-side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-xl) + var(--space-md));
}

.vehicle-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.vehicle-side-panel-section {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-outline-variant);
}

.vehicle-side-panel-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.vehicle-side-panel-section-title {
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-label-md);
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vehicle-form-group {
  margin-bottom: var(--space-sm);
}

.vehicle-form-group label {
  display: block;
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-label-md);
  color: var(--color-on-surface);
  margin-bottom: var(--space-base);
}

.vehicle-form-group input[type="text"],
.vehicle-form-group input[type="email"],
.vehicle-form-group input[type="url"],
.vehicle-form-group input[type="number"],
.vehicle-form-group input[type="datetime-local"],
.vehicle-form-group select,
.vehicle-form-group textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body-md);
  font-family: var(--font-family-base);
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.vehicle-form-group input:focus,
.vehicle-form-group select:focus,
.vehicle-form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 12%, transparent);
  background: var(--color-surface-container-lowest);
}

.vehicle-form-group textarea {
  resize: vertical;
  min-height: 5rem;
}

.vehicle-side-panel-footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-low);
  display: flex;
  gap: var(--space-xs);
  justify-content: flex-end;
}

.vehicle-btn {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-label-md);
  font-family: var(--font-family-base);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.vehicle-btn-primary {
  background: var(--color-primary-container);
  color: var(--color-on-primary);
}

.vehicle-btn-primary:hover {
  opacity: 0.92;
}

.vehicle-btn-secondary {
  background: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
}

.vehicle-btn-secondary:hover {
  background: var(--color-surface-container-high);
}

.vehicle-required {
  color: var(--color-error);
  margin-left: var(--space-base);
}

.vehicle-info-icon {
  cursor: help;
  margin-left: var(--space-base);
  font-size: var(--font-size-body-md);
  color: var(--color-on-surface-variant);
}

@media (max-width: 768px) {
  .vehicle-side-panel {
    width: 100%;
  }

  .vehicle-form-grid {
    grid-template-columns: 1fr;
  }
}