/**
 * 吉州窑品牌色彩系统
 * 基于旧项目提取的设计系统
 */

:root {
  /* 品牌色 */
  --jizhou-paper: #f5f5f4;    /* 宣纸白/暖白 */
  --jizhou-ink: #262626;      /* 墨色 */
  --jizhou-gold: #cca478;     /* 金缮色 */
  --jizhou-gray: #8a8a8a;     /* 辅助文字色 */
  --jizhou-tea: #8c7b65;      /* 茶色 */
  --jizhou-black: #1a1a1a;    /* 深邃黑釉 */
  
  /* 扩展色 */
  --jizhou-gold-light: #d4c0a6;
  --jizhou-gold-dark: #bfa78a;
  --jizhou-paper-dark: #ebe6da;
}

/* 字体加载优化 */
body {
  font-family: 'Noto Serif SC', 'Songti SC', 'STSong', serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 祥云纹理背景 */
.bg-cloud-pattern {
  background-color: var(--jizhou-paper);
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23cca478' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* 宣纸纹理背景 */
.bg-paper-texture {
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
}

/* 斜纹底纹背景 */
.bg-diagonal-pattern {
  background-color: var(--jizhou-paper);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(139, 115, 85, 0.05) 0px,
    rgba(139, 115, 85, 0.05) 1px,
    transparent 1px,
    transparent 10px
  );
  background-attachment: fixed;
}

/* 隐藏滚动条 */
.scrollbar-hide::-webkit-scrollbar {
  display: none;
}
.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* 淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 淡入上移动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 浮动动画 */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

/* 延迟动画类 */
.delay-100 {
  animation-delay: 100ms;
}

.delay-200 {
  animation-delay: 200ms;
}

.delay-700 {
  animation-delay: 700ms;
}

/* Model Viewer 进度条样式 */
model-viewer::part(default-progress-bar) {
  background-color: var(--jizhou-gold);
  height: 3px;
}

/* 安全区适配 */
.pb-safe {
  padding-bottom: env(safe-area-inset-bottom);
}

.pt-safe {
  padding-top: env(safe-area-inset-top);
}

/* 自定义阴影 */
.shadow-soft {
  box-shadow: 0 2px 15px -3px rgba(0, 0, 0, 0.05);
}

.shadow-glow-gold {
  box-shadow: 0 0 20px rgba(204, 164, 120, 0.3);
}

/* 毛玻璃效果增强 */
.glass-effect {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.glass-effect-dark {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 文字省略 */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 选中文字颜色 */
::selection {
  background-color: rgba(204, 164, 120, 0.3);
  color: var(--jizhou-ink);
}

/* 装饰性分隔线 */
.decorative-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0.3;
}

.decorative-divider::before,
.decorative-divider::after {
  content: '';
  height: 1px;
  width: 2rem;
  background-color: var(--jizhou-gold);
}

.decorative-divider span {
  color: var(--jizhou-gold);
  font-size: 0.75rem;
}