/**
 * EasyWoo Variation Swatches - 高端美妝品牌專屬樣式
 * 
 * 設計理念：
 * - 奢華感與精緻度
 * - 柔和的色彩過渡
 * - 優雅的互動效果
 * - 移動裝置優化
 */

/* ==========================================================================
   基礎變數定義
   ========================================================================== */
:root {
  /* 色彩系統 */
  --easywoo-primary-gold: #d4af37;
  --easywoo-secondary-gold: #f7e7b4;
  --easywoo-rose-gold: #e8b4a0;
  --easywoo-luxury-black: #1a1a1a;
  --easywoo-soft-white: #fefefe;
  --easywoo-cream: #f8f6f3;
  --easywoo-nude-pink: #f4c2c2;
  --easywoo-shadow-light: rgba(212, 175, 55, 0.15);
  --easywoo-shadow-medium: rgba(212, 175, 55, 0.25);
  --easywoo-shadow-strong: rgba(26, 26, 26, 0.3);
  
  /* 尺寸系統 */
  --easywoo-swatch-xs: 24px;
  --easywoo-swatch-small: 32px;
  --easywoo-swatch-medium: 48px;
  --easywoo-swatch-large: 64px;
  --easywoo-swatch-xl: 80px;
  
  /* 間距系統 */
  --easywoo-spacing-xs: 4px;
  --easywoo-spacing-sm: 8px;
  --easywoo-spacing-md: 12px;
  --easywoo-spacing-lg: 16px;
  --easywoo-spacing-xl: 24px;
  
  /* 動畫系統 */
  --easywoo-transition-fast: 0.2s ease-out;
  --easywoo-transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --easywoo-transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  
  /* 陰影系統 */
  --easywoo-shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.06);
  --easywoo-shadow-elevated: 0 4px 16px rgba(0, 0, 0, 0.12);
  --easywoo-shadow-floating: 0 8px 32px rgba(0, 0, 0, 0.16);
  --easywoo-shadow-luxury: 0 4px 20px var(--easywoo-shadow-light);
}

/* ==========================================================================
   核心容器樣式
   ========================================================================== */
.easywoo-variation-swatches {
  margin: var(--easywoo-spacing-lg) 0;
  position: relative;
}

.easywoo-swatches-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--easywoo-spacing-md);
  align-items: center;
  justify-content: flex-start;
  margin: 0;
  padding: 0;
}

/* 屬性標籤 */
.easywoo-attribute-label {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--easywoo-luxury-black);
  margin: 0 0 var(--easywoo-spacing-md) 0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ==========================================================================
   Swatch 基礎樣式
   ========================================================================== */
.easywoo-swatch {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--easywoo-soft-white);
  box-shadow: var(--easywoo-shadow-subtle);
  transition: all var(--easywoo-transition-medium);
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.easywoo-swatch::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--easywoo-transition-fast);
}

.easywoo-swatch:hover::before {
  opacity: 1;
}

/* ==========================================================================
   尺寸變體
   ========================================================================== */
.easywoo-swatch.easywoo-xs,
.easywoo-swatches-container.easywoo-xs .easywoo-swatch {
  width: var(--easywoo-swatch-xs);
  height: var(--easywoo-swatch-xs);
  min-width: var(--easywoo-swatch-xs);
}

.easywoo-swatch.easywoo-small,
.easywoo-swatches-container.easywoo-small .easywoo-swatch {
  width: var(--easywoo-swatch-small);
  height: var(--easywoo-swatch-small);
  min-width: var(--easywoo-swatch-small);
}

.easywoo-swatch.easywoo-medium,
.easywoo-swatches-container.easywoo-medium .easywoo-swatch {
  width: var(--easywoo-swatch-medium);
  height: var(--easywoo-swatch-medium);
  min-width: var(--easywoo-swatch-medium);
}

.easywoo-swatch.easywoo-large,
.easywoo-swatches-container.easywoo-large .easywoo-swatch {
  width: var(--easywoo-swatch-large);
  height: var(--easywoo-swatch-large);
  min-width: var(--easywoo-swatch-large);
}

.easywoo-swatch.easywoo-xl,
.easywoo-swatches-container.easywoo-xl .easywoo-swatch {
  width: var(--easywoo-swatch-xl);
  height: var(--easywoo-swatch-xl);
  min-width: var(--easywoo-swatch-xl);
}

/* ==========================================================================
   形狀變體
   ========================================================================== */
.easywoo-swatch.easywoo-round,
.easywoo-swatches-container.easywoo-round .easywoo-swatch {
  border-radius: 50%;
}

.easywoo-swatch.easywoo-square,
.easywoo-swatches-container.easywoo-square .easywoo-swatch {
  border-radius: 8px;
}

.easywoo-swatch.easywoo-capsule,
.easywoo-swatches-container.easywoo-capsule .easywoo-swatch {
  border-radius: 24px;
  width: auto;
  min-width: 48px;
  padding: 0 var(--easywoo-spacing-md);
}

.easywoo-swatch.easywoo-rectangle,
.easywoo-swatches-container.easywoo-rectangle .easywoo-swatch {
  border-radius: 4px;
  width: auto;
  height: auto;
  min-width: unset;
  padding: 8px 15px;
}

/* ==========================================================================
   Swatch 內容樣式
   ========================================================================== */
.easywoo-swatch-color,
.easywoo-swatch-dual-color,
.easywoo-swatch-image {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}

.easywoo-swatch-image {
  object-fit: cover;
  object-position: center;
}

.easywoo-swatch-label {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--easywoo-luxury-black);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  padding: 0 var(--easywoo-spacing-xs);
}

/* ==========================================================================
   狀態樣式
   ========================================================================== */
.easywoo-swatch-selected {
  border-color: var(--easywoo-primary-gold);
  box-shadow: 
    0 0 0 1px var(--easywoo-primary-gold),
    var(--easywoo-shadow-luxury);
  transform: scale(1.05);
}

.easywoo-swatch-unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  position: relative;
}

.easywoo-swatch-unavailable::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 2px;
  background: var(--easywoo-luxury-black);
  transform: translate(-50%, -50%) rotate(45deg);
  opacity: 0.6;
}

.easywoo-swatch-unavailable:hover {
  transform: none;
  box-shadow: var(--easywoo-shadow-subtle);
}

/* ==========================================================================
   Hover 效果變體
   ========================================================================== */
.easywoo-swatch.easywoo-hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--easywoo-shadow-floating);
}

.easywoo-swatch.easywoo-hover-glow:hover {
  box-shadow: 
    0 0 0 2px var(--easywoo-primary-gold),
    0 0 20px var(--easywoo-shadow-light),
    var(--easywoo-shadow-elevated);
}

.easywoo-swatch.easywoo-hover-rotate:hover {
  transform: rotate(5deg) scale(1.05);
}

.easywoo-swatch.easywoo-hover-pulse:hover {
  animation: easywoo-pulse 0.6s ease-in-out;
}

/* ==========================================================================
   特殊徽章
   ========================================================================== */
.easywoo-swatch-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--easywoo-primary-gold);
  color: var(--easywoo-soft-white);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--easywoo-shadow-medium);
  z-index: 10;
  white-space: nowrap;
  line-height: 1;
}

.easywoo-swatch-badge.easywoo-badge-hot {
  background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
}

.easywoo-swatch-badge.easywoo-badge-new {
  background: linear-gradient(135deg, #4ecdc4, #44a08d);
}

.easywoo-swatch-badge.easywoo-badge-exclusive {
  background: linear-gradient(135deg, var(--easywoo-primary-gold), var(--easywoo-secondary-gold));
}

.easywoo-swatch-badge.easywoo-badge-limited {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.easywoo-swatch-badge.easywoo-badge-bestseller {
  background: linear-gradient(135deg, var(--easywoo-rose-gold), #d4a574);
}

/* ==========================================================================
   Swatch 名稱顯示
   ========================================================================== */
.easywoo-swatch-name {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--easywoo-luxury-black);
  background: var(--easywoo-soft-white);
  padding: 2px 8px;
  border-radius: 12px;
  box-shadow: var(--easywoo-shadow-subtle);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--easywoo-transition-medium);
  z-index: 20;
}

.easywoo-swatch:hover .easywoo-swatch-name {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* ==========================================================================
   美妝分類特化樣式
   ========================================================================== */
/* 粉底液色號 */
.easywoo-beauty-category-foundation .easywoo-swatch {
  border: 3px solid var(--easywoo-cream);
  box-shadow: 
    inset 0 0 0 1px rgba(255, 255, 255, 0.5),
    var(--easywoo-shadow-subtle);
}

.easywoo-beauty-category-foundation .easywoo-swatch:hover {
  border-color: var(--easywoo-nude-pink);
}

/* 唇膏色系 */
.easywoo-beauty-category-lipstick .easywoo-swatch {
  border: 2px solid transparent;
  background: linear-gradient(var(--easywoo-soft-white), var(--easywoo-soft-white)) padding-box,
              linear-gradient(135deg, var(--easywoo-rose-gold), var(--easywoo-primary-gold)) border-box;
}

.easywoo-beauty-category-lipstick .easywoo-swatch-selected {
  background: linear-gradient(var(--easywoo-soft-white), var(--easywoo-soft-white)) padding-box,
              linear-gradient(135deg, var(--easywoo-primary-gold), var(--easywoo-rose-gold)) border-box;
}

/* 眼影盤 */
.easywoo-beauty-category-eyeshadow .easywoo-swatch {
  position: relative;
  overflow: visible;
}

.easywoo-beauty-category-eyeshadow .easywoo-swatch::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.3), 
    rgba(255, 255, 255, 0) 50%, 
    rgba(0, 0, 0, 0.1));
  pointer-events: none;
}

/* 腮紅 */
.easywoo-beauty-category-blush .easywoo-swatch-color {
  background: radial-gradient(circle at 30% 30%, 
    rgba(255, 255, 255, 0.4), 
    transparent 70%),
    var(--swatch-color, #ff6b6b);
}

/* ==========================================================================
   響應式設計
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --easywoo-swatch-xs: 20px;
    --easywoo-swatch-small: 28px;
    --easywoo-swatch-medium: 40px;
    --easywoo-swatch-large: 52px;
    --easywoo-swatch-xl: 64px;
    
    --easywoo-spacing-md: 8px;
    --easywoo-spacing-lg: 12px;
  }
  
  .easywoo-swatches-container {
    gap: var(--easywoo-spacing-sm);
  }
  
  .easywoo-attribute-label {
    font-size: 14px;
    margin-bottom: var(--easywoo-spacing-sm);
  }
  
  .easywoo-swatch-name {
    font-size: 10px;
    bottom: -20px;
  }
  
  .easywoo-swatch-badge {
    top: -4px;
    right: -4px;
    font-size: 8px;
    padding: 1px 4px;
  }
}

@media (max-width: 480px) {
  .easywoo-swatches-container {
    justify-content: center;
  }
  
  .easywoo-swatch.easywoo-hover-lift:hover,
  .easywoo-swatch.easywoo-hover-glow:hover,
  .easywoo-swatch.easywoo-hover-rotate:hover {
    transform: scale(1.05);
  }
}

/* ==========================================================================
   Loading 狀態
   ========================================================================== */
.easywoo-swatch.easywoo-loading {
  background: linear-gradient(90deg, 
    var(--easywoo-cream) 25%, 
    var(--easywoo-secondary-gold) 50%, 
    var(--easywoo-cream) 75%);
  background-size: 200% 100%;
  animation: easywoo-shimmer 1.5s infinite;
}

.easywoo-swatch.easywoo-loading .easywoo-swatch-color,
.easywoo-swatch.easywoo-loading .easywoo-swatch-dual-color {
  opacity: 0;
}

/* ==========================================================================
   動畫關鍵影格
   ========================================================================== */
@keyframes easywoo-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes easywoo-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes easywoo-glow {
  0%, 100% { 
    box-shadow: 0 0 5px var(--easywoo-shadow-light); 
  }
  50% { 
    box-shadow: 0 0 20px var(--easywoo-shadow-medium); 
  }
}

@keyframes easywoo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ==========================================================================
   無障礙支援
   ========================================================================== */
.easywoo-swatch:focus {
  outline: 2px solid var(--easywoo-primary-gold);
  outline-offset: 2px;
}

.easywoo-swatch:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .easywoo-swatch,
  .easywoo-swatch::before,
  .easywoo-swatch-name {
    transition: none;
  }
  
  .easywoo-swatch:hover {
    transform: none;
  }
  
  .easywoo-swatch.easywoo-loading {
    animation: none;
    background: var(--easywoo-cream);
  }
}

/* ==========================================================================
   高對比度模式支援
   ========================================================================== */
@media (prefers-contrast: high) {
  .easywoo-swatch {
    border-width: 3px;
    border-color: var(--easywoo-luxury-black);
  }
  
  .easywoo-swatch-selected {
    border-color: var(--easywoo-primary-gold);
    border-width: 4px;
  }
  
  .easywoo-swatch-unavailable::after {
    background: var(--easywoo-luxury-black);
    height: 3px;
  }
}

/* ==========================================================================
   列印樣式
   ========================================================================== */
@media print {
  .easywoo-swatch {
    border: 1px solid #000;
    box-shadow: none;
    transform: none !important;
  }
  
  .easywoo-swatch-badge,
  .easywoo-swatch-name {
    display: none;
  }
}