/* ===========================================
   Hogan's Alley - UI Components
   Premium Rainwear | Editorial Fashion
   =========================================== */

/* ===========================================
   CSS Custom Properties (extend from base)
   =========================================== */
:root {
  /* Component-specific properties */
  --component-transition: 0.2s ease;
  --component-black: #0A0A0A;
  --component-white: #FAFAF9;
  --component-gold: #C4A962;
  --component-text-muted: #8A8A8A;
  --component-border: #E5E5E3;
  --component-error: #B91C1C;
  --component-success: #15803D;

  /* Typography */
  --component-font-body: 'Inter', system-ui, sans-serif;
  --component-font-mono: 'JetBrains Mono', monospace;
}

/* ===========================================
   Size Selector Component
   =========================================== */

/* Container */
.size-selector {
  margin: 1.5rem 0;
}

.size-selector__label {
  display: block;
  font-family: var(--component-font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--component-text-muted);
  margin-bottom: 0.75rem;
}

.size-selector__options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Size Button - Base State */
.size-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 1rem;
  background-color: transparent;
  border: 1px solid var(--component-black);
  cursor: pointer;
  font-family: var(--component-font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--component-black);
  text-transform: uppercase;
  transition:
    background-color var(--component-transition),
    color var(--component-transition),
    border-color var(--component-transition);
  /* Sharp corners - no border-radius per brand guidelines */
}

.size-btn:hover:not(:disabled):not(.size-btn--selected) {
  background-color: rgba(10, 10, 10, 0.05);
}

.size-btn:focus {
  outline: 2px solid var(--component-gold);
  outline-offset: 2px;
}

.size-btn:active:not(:disabled) {
  transform: scale(0.98);
}

/* Size Button - Selected State */
.size-btn--selected {
  background-color: var(--component-black);
  color: var(--component-white);
  border-color: var(--component-black);
}

.size-btn--selected:hover {
  background-color: var(--component-black);
}

/* Size Button - Sold Out State */
.size-btn--sold-out {
  position: relative;
  background-color: transparent;
  border-color: rgba(10, 10, 10, 0.12);
  color: rgba(10, 10, 10, 0.25);
  cursor: not-allowed;
  text-decoration: none;
}

.size-btn--sold-out::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 15%;
  right: 15%;
  height: 1px;
  background: rgba(10, 10, 10, 0.3);
  transform: rotate(-12deg);
  pointer-events: none;
}

.size-btn--sold-out:hover {
  background-color: transparent;
}

/* Size Button - Low Stock State */
.size-btn--low-stock {
  position: relative;
}

/* Status Label (e.g., "Only 2 left") */
.size-btn__status {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--component-font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--component-error);
  text-transform: none;
}

/* Size Selector - Loading State */
.size-selector--loading .size-btn {
  opacity: 0.5;
  pointer-events: none;
}

.size-selector__loading {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--component-font-body);
  font-size: 0.75rem;
  color: var(--component-text-muted);
  margin-top: 0.5rem;
}

.size-selector--loading .size-selector__loading {
  display: flex;
}

.size-selector__spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--component-border);
  border-top-color: var(--component-gold);
  border-radius: 50%;
  animation: size-spin 0.6s linear infinite;
}

@keyframes size-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Size Selector - Error State */
.size-selector__error {
  display: none;
  font-family: var(--component-font-body);
  font-size: 0.75rem;
  color: var(--component-error);
  margin-top: 0.5rem;
}

.size-selector--error .size-selector__error {
  display: block;
}

/* ===========================================
   Quantity Selector Component
   =========================================== */

.quantity-selector {
  margin: 1.5rem 0;
}

.quantity-selector__label {
  display: block;
  font-family: var(--component-font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--component-text-muted);
  margin-bottom: 0.75rem;
}

.quantity-selector__controls {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--component-black);
}

.quantity-selector__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--component-black);
  transition:
    background-color var(--component-transition),
    color var(--component-transition);
}

.quantity-selector__btn:hover:not(:disabled) {
  background-color: rgba(10, 10, 10, 0.05);
}

.quantity-selector__btn:focus {
  outline: 2px solid var(--component-gold);
  outline-offset: -2px;
}

.quantity-selector__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.quantity-selector__value {
  min-width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--component-font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--component-black);
  background-color: var(--component-white);
  border-left: 1px solid var(--component-border);
  border-right: 1px solid var(--component-border);
}

/* ===========================================
   Add to Cart Button Component
   =========================================== */

.add-to-cart {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 2rem 0;
}

.add-to-cart__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 400px;
  padding: 1rem 2rem;
  background-color: var(--component-black);
  color: var(--component-white);
  border: none;
  cursor: pointer;
  font-family: var(--component-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition:
    background-color var(--component-transition),
    transform var(--component-transition);
  /* Sharp corners per brand guidelines */
}

.add-to-cart__btn:hover:not(:disabled) {
  background-color: #4A4A4A;
}

.add-to-cart__btn:focus {
  outline: 2px solid var(--component-gold);
  outline-offset: 2px;
}

.add-to-cart__btn:active:not(:disabled) {
  transform: scale(0.98);
}

.add-to-cart__btn:disabled {
  background-color: var(--component-border);
  color: var(--component-text-muted);
  cursor: not-allowed;
}

/* Add to Cart - Success State */
.add-to-cart__btn--success {
  background-color: var(--component-success);
}

.add-to-cart__btn--success:hover {
  background-color: var(--component-success);
}

/* Add to Cart - Loading State */
.add-to-cart__btn--loading {
  pointer-events: none;
}

.add-to-cart__btn--loading .add-to-cart__text {
  opacity: 0;
}

.add-to-cart__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--component-white);
  border-radius: 50%;
  animation: cart-btn-spin 0.6s linear infinite;
}

.add-to-cart__btn--loading .add-to-cart__spinner {
  display: block;
  position: absolute;
}

@keyframes cart-btn-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Add to Cart - Price Display */
.add-to-cart__price {
  font-family: var(--component-font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--component-black);
}

.add-to-cart__price-note {
  font-family: var(--component-font-body);
  font-size: 0.75rem;
  color: var(--component-text-muted);
}

/* Add to Cart - Error Message */
.add-to-cart__error {
  display: none;
  font-family: var(--component-font-body);
  font-size: 0.8125rem;
  color: var(--component-error);
}

.add-to-cart--error .add-to-cart__error {
  display: block;
}

/* ===========================================
   Cart Icon / Toggle Component
   =========================================== */

.cart-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity var(--component-transition);
}

.cart-toggle:hover {
  opacity: 0.7;
}

.cart-toggle:focus {
  outline: 2px solid var(--component-gold);
  outline-offset: 2px;
}

.cart-toggle__icon {
  width: 24px;
  height: 24px;
  stroke: var(--component-black);
  stroke-width: 1.5;
  fill: none;
}

.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background-color: var(--component-black);
  color: var(--component-white);
  font-family: var(--component-font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  /* Sharp corners per brand guidelines */
}

.cart-badge:empty,
.cart-badge[data-count="0"] {
  display: none;
}

/* ===========================================
   Product Section Wrapper
   =========================================== */

.product-purchase {
  padding: 2rem 0;
  max-width: 500px;
}

.product-purchase__price {
  font-family: var(--component-font-body);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--component-black);
  margin-bottom: 0.25rem;
}

.product-purchase__price-note {
  font-family: var(--component-font-body);
  font-size: 0.8125rem;
  color: var(--component-text-muted);
  margin-bottom: 1.5rem;
}

/* ===========================================
   Navigation Cart Integration
   =========================================== */

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Adjust nav-links to work with nav-actions */
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

/* ===========================================
   Mobile Responsive Adjustments
   =========================================== */

@media (max-width: 768px) {
  /* Size Buttons - Larger touch targets on mobile */
  .size-btn {
    min-width: 52px;
    height: 52px;
    font-size: 0.875rem;
  }

  /* Quantity Selector */
  .quantity-selector__btn {
    width: 48px;
    height: 48px;
  }

  .quantity-selector__value {
    min-width: 48px;
    height: 48px;
  }

  /* Add to Cart Button */
  .add-to-cart__btn {
    padding: 1.125rem 2rem;
    font-size: 0.875rem;
    max-width: none;
  }

  /* Cart Toggle */
  .cart-toggle {
    width: 48px;
    height: 48px;
  }

  .cart-toggle__icon {
    width: 26px;
    height: 26px;
  }

  .cart-badge {
    min-width: 20px;
    height: 20px;
    font-size: 0.6875rem;
  }
}

/* ===========================================
   Tablet Responsive Adjustments
   =========================================== */

@media (max-width: 900px) and (min-width: 769px) {
  .product-purchase {
    max-width: 450px;
  }
}

/* ===========================================
   Reduced Motion
   =========================================== */

@media (prefers-reduced-motion: reduce) {
  .size-btn,
  .quantity-selector__btn,
  .add-to-cart__btn,
  .cart-toggle {
    transition: none;
  }

  .size-selector__spinner,
  .add-to-cart__spinner {
    animation: none;
  }
}

/* ===========================================
   High Contrast Mode
   =========================================== */

@media (prefers-contrast: high) {
  .size-btn {
    border-width: 2px;
  }

  .size-btn:focus,
  .quantity-selector__btn:focus,
  .add-to-cart__btn:focus,
  .cart-toggle:focus {
    outline-width: 3px;
  }

  .quantity-selector__controls {
    border-width: 2px;
  }
}

/* ===========================================
   Print Styles
   =========================================== */

@media print {
  .size-selector,
  .quantity-selector,
  .add-to-cart,
  .cart-toggle {
    display: none !important;
  }
}

/* Skip to Content - Accessibility */
.skip-to-content {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--color-black, #0A0A0A);
  color: var(--color-white, #FAFAF9);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
}
.skip-to-content:focus {
  left: 0;
}