/**
 * Component Styles - Reusable UI components
 * Mobile-first with 44px touch targets, hairline borders, soft cards
 */

/* === Top Bar === */
.top-bar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--color-surface);
  border-bottom: var(--border-width-hairline) solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-3);
  z-index: var(--z-index-sticky);
}

.top-bar__title {
  flex: 1;
  text-align: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.top-bar__action {
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  padding: var(--spacing-1);
}

.top-bar__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* === Bottom Navigation === */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--color-surface);
  border-top: var(--border-width-hairline) solid var(--color-border-light);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  z-index: var(--z-index-sticky);
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: var(--touch-target-min);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.bottom-nav__item:active {
  background: var(--color-gray-100);
}

.bottom-nav__item--active {
  color: var(--color-text-primary);
}

.bottom-nav__icon {
  font-size: var(--font-size-2xl);
}

/* === Cards === */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-3);
}

.card--soft {
  box-shadow: none;
  border: var(--border-width-hairline) solid var(--color-border-light);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
  gap: var(--spacing-1);
}

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

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

.btn--primary:active {
  background: var(--color-lime-pressed);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: var(--border-width-thin) solid var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-gray-100);
}

.btn--ghost:active {
  background: var(--color-gray-200);
}

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

.btn--full {
  width: 100%;
}

.btn--large {
  min-height: 52px;
  font-size: var(--font-size-lg);
}

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

/* === Inputs === */
.input {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-3);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: border-color var(--transition-fast);
}

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

.input::placeholder {
  color: var(--color-text-muted);
}

.input-group {
  position: relative;
  margin-bottom: var(--spacing-3);
}

.input-group__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
}

.input-group__clear {
  position: absolute;
  right: var(--spacing-1);
  top: 50%;
  transform: translateY(-50%);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* === Chips === */
.chips {
  display: flex;
  gap: var(--spacing-1);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: var(--spacing-1) 0;
}

.chips::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 var(--spacing-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: var(--border-width-thin) solid var(--color-border);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.chip--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-black);
}

.chip:active {
  transform: scale(0.95);
}

/* === List Rows === */
.list-row {
  display: flex;
  align-items: center;
  min-height: var(--touch-target-min);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-surface);
  border-bottom: var(--border-width-hairline) solid var(--color-border-light);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}

.list-row:active {
  background: var(--color-gray-100);
}

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

.list-row__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.list-row__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.list-row__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  margin-left: var(--spacing-2);
}

.list-row__action {
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-xl);
}

/* === Modal / Bottom Sheet === */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-index-modal);
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  width: 100%;
  max-height: 90vh;
  background: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-overlay--visible .bottom-sheet {
  transform: translateY(0);
}

.bottom-sheet__handle {
  width: 40px;
  height: 4px;
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  margin: var(--spacing-2) auto;
}

.bottom-sheet__content {
  padding: 0 var(--spacing-3) var(--spacing-4);
  padding-bottom: calc(var(--spacing-4) + env(safe-area-inset-bottom));
}

.bottom-sheet__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
  text-align: center;
}

/* === Toast === */
.toast {
  position: fixed;
  top: calc(56px + var(--spacing-3));
  left: var(--spacing-3);
  right: var(--spacing-3);
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-index-toast);
  transform: translateY(-150%);
  transition: transform var(--transition-base);
}

.toast--visible {
  transform: translateY(0);
}

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

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

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 20px;
  padding: 0 var(--spacing-1);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge--low-stock {
  background: var(--color-warning);
  color: var(--color-white);
}

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

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

/* === Skeleton Loader === */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-row {
  height: 60px;
  margin-bottom: var(--spacing-1);
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--spacing-1);
}

.skeleton-text--short {
  width: 60%;
}