/* 全局样式定义 - 服装视觉展示网站 */

/* CSS 变量定义设计系统 */
:root {
  /* 主色调 - 中性色系 */
  --color-primary: #f5f5f0;
  --color-secondary: #e8e8e3;
  --color-accent: #d4d4cf;
  
  /* 文本颜色 */
  --text-primary: #2c2c2c;
  --text-secondary: #666666;
  --text-light: #999999;
  
  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  
  /* 间距系统 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* 过渡动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 全局基础样式 */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  margin: 0;
  padding: 0;
}

/* 导航栏样式 */
.nav-container {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--color-accent);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav-link {
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--text-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

/* 轮播图样式 */
.carousel-container {
  position: relative;
  overflow: hidden;
  height: 100vh;
}

.carousel-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.carousel-slide.active {
  opacity: 1;
}

/* 瀑布流布局 */
.masonry-grid {
  column-count: 3;
  column-gap: var(--spacing-md);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal);
}

.masonry-item:hover {
  transform: translateY(-5px);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
}

.masonry-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.masonry-item:hover .masonry-overlay {
  transform: translateY(0);
}

/* 单品网格布局 */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.item-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.item-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.item-card img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.item-description {
  padding: var(--spacing-sm);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  max-width: 90%;
  max-height: 90%;
  overflow: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 30px;
  height: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-accent);
}

/* 灵感故事页面样式 */
.story-hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.story-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
  z-index: 1;
}

.story-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--spacing-xl);
  text-align: center;
  color: white;
}

.story-title {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.1em;
}

.story-text {
  font-size: 1.2rem;
  line-height: 1.8;
  font-weight: 300;
}

/* 按钮样式 */
.btn-primary {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.btn-primary:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 标签样式 */
.tag-filter {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  margin: var(--spacing-xs);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.85rem;
}

.tag-filter:hover {
  background: var(--color-primary);
}

.tag-filter.active {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* 页脚样式 */
footer {
  background: var(--bg-secondary);
  padding: var(--spacing-md) 0;
  text-align: center;
  color: var(--text-light);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-accent);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 2;
  }
  
  .story-title {
    font-size: 2rem;
  }
  
  .story-text {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .masonry-grid {
    column-count: 1;
  }
  
  .items-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  .story-title {
    font-size: 1.5rem;
  }
  
  .story-content {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: var(--spacing-sm);
  }
  
  .story-title {
    font-size: 1.2rem;
  }
  
  .story-text {
    font-size: 0.9rem;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 2s ease infinite;
}

/* 加载状态 */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: loading 1.5s ease infinite;
}

@keyframes loading {
  to {
    left: 100%;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* 无障碍支持 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 焦点样式 */
*:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* 打印样式 */
@media print {
  .nav-container,
  .modal,
  footer {
    display: none;
  }
  
  body {
    background: white;
  }
}