/**
 * COSAS3D — Reusable UI Components
 * Buttons, Badges, Filter Controls, Modal Shells, Toast System, Cart Drawer
 */

/* 1. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-family-display);
  font-size: 0.925rem;
  font-weight: var(--fw-semibold);
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  line-height: 1;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-accent-orange);
  color: #ffffff;
  border: 1px solid var(--color-accent-orange);
  box-shadow: 0 2px 10px rgba(255, 90, 31, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-accent-orange-hover);
  border-color: var(--color-accent-orange-hover);
  box-shadow: 0 4px 16px rgba(255, 90, 31, 0.4);
}

.btn-secondary {
  background-color: var(--color-bg-surface-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-medium);
}

.btn-secondary:hover {
  background-color: var(--color-bg-surface-hover);
  border-color: var(--color-border-strong);
  color: #ffffff;
}

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

.btn-subtle:hover {
  background-color: var(--color-bg-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border-subtle);
}

.btn-paypal {
  background: #0070ba;
  color: #ffffff;
  border: 1px solid #005ea6;
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
  box-shadow: 0 4px 14px rgba(0, 112, 186, 0.35);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.85rem 1.6rem;
  width: 100%;
}

.btn-paypal:hover {
  background: #0079c1;
  border-color: #0079c1;
  box-shadow: 0 6px 20px rgba(0, 112, 186, 0.5);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.825rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  position: relative;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-bg-surface-elevated);
  border-color: var(--color-border-medium);
  color: var(--color-text-primary);
}

/* Cart Badge Count */
.cart-count-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--color-accent-orange);
  color: #ffffff;
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 0 6px rgba(255, 90, 31, 0.6);
}

/* 2. Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  line-height: 1.2;
}

.badge-subtle {
  background-color: var(--color-bg-surface-elevated);
  border: 1px solid var(--color-border-medium);
  color: var(--color-text-secondary);
}

.badge-accent {
  background-color: var(--color-accent-orange-subtle);
  border: 1px solid rgba(255, 90, 31, 0.35);
  color: var(--color-accent-orange);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-status-success);
}

.badge-out-of-stock {
  background-color: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* 3. Form & Filter Controls */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.filter-categories {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.filter-pill {
  font-size: 0.85rem;
  font-weight: var(--fw-medium);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-xs);
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  background-color: var(--color-bg-surface-elevated);
  color: var(--color-text-primary);
}

.filter-pill.active {
  background-color: var(--color-bg-surface-elevated);
  border-color: var(--color-accent-orange);
  color: #ffffff;
}

.filter-controls-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap svg {
  position: absolute;
  left: 12px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  padding: 0.45rem 1rem 0.45rem 2.25rem;
  width: 200px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-accent-orange);
  outline: none;
  width: 240px;
}

.sort-select {
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  outline: none;
}

.sort-select:focus {
  border-color: var(--color-accent-orange);
}

/* 4. Modal Shell System */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 11, 14, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--transition-normal);
}

.modal-overlay.is-visible .modal-card {
  transform: translateY(0) scale(1);
}

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

.modal-body {
  padding: var(--space-xl);
}

.modal-close-btn {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

/* 5. Cart / Interest Drawer */
.cart-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: var(--z-cart);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.cart-drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background-color: var(--color-bg-surface);
  border-left: 1px solid var(--color-border-medium);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: calc(var(--z-cart) + 1);
}

.cart-drawer-overlay.is-open .cart-drawer {
  transform: translateX(0);
}

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border-subtle);
}

.cart-items-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cart-item-row {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  position: relative;
}

.cart-item-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xs);
  object-fit: cover;
  background-color: var(--color-bg-surface-elevated);
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-drawer-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-surface-elevated);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
}

/* 6. Toast Notification Feedback */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--color-bg-surface-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  border-left: 3px solid var(--color-accent-orange);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transform: translateY(16px);
  opacity: 0;
  animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toast-in {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}