@import "tailwindcss";

@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

:root {
  /* "Rice Paper" & "Ink" Theme */
  --background: oklch(0.97 0.01 90); /* Warm off-white */
  --foreground: oklch(0.2 0.02 265); /* Deep Ink Black */

  --card: oklch(0.98 0.005 90);
  --card-foreground: oklch(0.2 0.02 265);

  --popover: oklch(0.98 0.005 90);
  --popover-foreground: oklch(0.2 0.02 265);

  /* Chinese Red - Cinnabar */
  --primary: oklch(0.45 0.15 25);
  --primary-foreground: oklch(0.98 0.01 90);

  /* Gold / Bronze */
  --secondary: oklch(0.85 0.05 85);
  --secondary-foreground: oklch(0.3 0.05 50);

  --muted: oklch(0.92 0.01 90);
  --muted-foreground: oklch(0.45 0.02 265);

  --accent: oklch(0.94 0.02 85);
  --accent-foreground: oklch(0.3 0.05 50);

  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.98 0 0);

  --border: oklch(0.88 0.01 90);
  --input: oklch(0.88 0.01 90);
  --ring: oklch(0.45 0.15 25);

  --radius: 0.5rem;

  --sidebar: oklch(0.96 0.01 90);
  --sidebar-foreground: oklch(0.25 0.02 265);
  --sidebar-primary: oklch(0.45 0.15 25);
  --sidebar-primary-foreground: oklch(0.98 0.01 90);
  --sidebar-accent: oklch(0.93 0.01 90);
  --sidebar-accent-foreground: oklch(0.25 0.02 265);
  --sidebar-border: oklch(0.88 0.01 90);
  --sidebar-ring: oklch(0.45 0.15 25);

  /* Custom chart colors matching the theme */
  --chart-1: oklch(0.45 0.15 25); /* Red */
  --chart-2: oklch(0.65 0.12 50); /* Gold/Orange */
  --chart-3: oklch(0.35 0.08 200); /* Deep Blue/Green */
  --chart-4: oklch(0.55 0.05 265); /* Grey Blue */
  --chart-5: oklch(0.75 0.1 85); /* Light Gold */
}

.dark {
  /* Deep Ink Background */
  --background: oklch(0.12 0.01 265);
  --foreground: oklch(0.95 0.01 90);

  --card: oklch(0.15 0.01 265);
  --card-foreground: oklch(0.95 0.01 90);

  --popover: oklch(0.15 0.01 265);
  --popover-foreground: oklch(0.95 0.01 90);

  --primary: oklch(0.6 0.15 25); /* Brighter Red for dark mode */
  --primary-foreground: oklch(0.98 0.01 90);

  --secondary: oklch(0.3 0.05 50);
  --secondary-foreground: oklch(0.9 0.05 85);

  --muted: oklch(0.2 0.01 265);
  --muted-foreground: oklch(0.65 0.01 265);

  --accent: oklch(0.2 0.02 265);
  --accent-foreground: oklch(0.95 0.01 90);

  --destructive: oklch(0.396 0.141 25.723);
  --destructive-foreground: oklch(0.98 0 0);

  --border: oklch(0.25 0.01 265);
  --input: oklch(0.25 0.01 265);
  --ring: oklch(0.6 0.15 25);

  --sidebar: oklch(0.14 0.01 265);
  --sidebar-foreground: oklch(0.95 0.01 90);
  --sidebar-primary: oklch(0.6 0.15 25);
  --sidebar-primary-foreground: oklch(0.98 0.01 90);
  --sidebar-accent: oklch(0.2 0.01 265);
  --sidebar-accent-foreground: oklch(0.95 0.01 90);
  --sidebar-border: oklch(0.25 0.01 265);
  --sidebar-ring: oklch(0.6 0.15 25);
}

@theme inline {
  --font-sans: "Geist", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Times New Roman", serif;
  --font-mono: "Geist Mono", monospace;

  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);

  --animate-accordion-down: accordion-down 0.2s ease-out;
  --animate-accordion-up: accordion-up 0.2s ease-out;

  @keyframes accordion-down {
    from {
      height: 0;
    }
    to {
      height: var(--radix-accordion-content-height);
    }
  }
  @keyframes accordion-up {
    from {
      height: var(--radix-accordion-content-height);
    }
    to {
      height: 0;
    }
  }

  @keyframes scroll {
    0% {
      transform: translateY(0);
    }
    100% {
      transform: translateY(-50%);
    }
  }

  --animate-scroll: scroll 20s linear infinite;
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground font-serif;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    @apply font-serif tracking-tight;
  }
  p {
    @apply font-serif;
  }
}

/* ============================================
   中国风卡片样式系统
   Chinese Traditional Card Styles
   ============================================ */

@layer components {
  /* 基础变量 */
  :root {
    --chinese-gold: oklch(0.75 0.12 85);
    --chinese-gold-dark: oklch(0.55 0.10 50);
    --chinese-red: oklch(0.45 0.15 25);
    --chinese-red-light: oklch(0.55 0.12 25);
    --chinese-ink: oklch(0.2 0.02 265);
    --chinese-paper: oklch(0.97 0.01 90);
    --corner-size: 12px;
    --border-ornament: 2px;
  }

  .dark {
    --chinese-gold: oklch(0.65 0.10 85);
    --chinese-gold-dark: oklch(0.45 0.08 50);
    --chinese-paper: oklch(0.15 0.01 265);
  }

  /* ============ 默认中国风卡片 ============ */
  .chinese-card-default {
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 
      0 1px 3px rgba(0,0,0,0.06),
      0 1px 2px rgba(0,0,0,0.04);
    background: linear-gradient(
      to bottom right,
      var(--card) 0%,
      oklch(from var(--card) l calc(c - 0.005) h) 100%
    );
    transition: all 0.3s ease;
  }

  .chinese-card-default:hover {
    box-shadow: 
      0 4px 12px rgba(0,0,0,0.08),
      0 2px 4px rgba(0,0,0,0.04);
    border-color: var(--chinese-red-light);
  }

  /* ============ 卷轴风格卡片 ============ */
  .chinese-card-scroll {
    border: none;
    border-radius: 2px;
    background: var(--card);
    box-shadow: 
      inset 0 0 0 1px var(--border),
      0 2px 8px rgba(0,0,0,0.06);
    position: relative;
    padding-top: 8px;
  }

  /* 卷轴顶部装饰 */
  .chinese-card-scroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(
      to right,
      var(--chinese-gold-dark) 0%,
      var(--chinese-gold) 15%,
      var(--chinese-gold) 85%,
      var(--chinese-gold-dark) 100%
    );
    border-radius: 2px 2px 0 0;
  }

  /* 卷轴底部装饰 */
  .chinese-card-scroll::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
      to right,
      var(--chinese-gold-dark) 0%,
      var(--chinese-gold) 15%,
      var(--chinese-gold) 85%,
      var(--chinese-gold-dark) 100%
    );
    border-radius: 0 0 2px 2px;
  }

  /* ============ 牌匾风格卡片 ============ */
  .chinese-card-plaque {
    border: 3px solid var(--chinese-gold-dark);
    border-radius: 2px;
    background: linear-gradient(
      135deg,
      var(--card) 0%,
      oklch(from var(--card) calc(l - 0.02) c h) 100%
    );
    box-shadow: 
      inset 0 0 0 1px var(--chinese-gold),
      0 4px 16px rgba(0,0,0,0.1);
    position: relative;
  }

  /* 牌匾内边框装饰 */
  .chinese-card-plaque::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid oklch(from var(--chinese-gold) l c h / 0.3);
    border-radius: 1px;
    pointer-events: none;
  }

  /* ============ 画像边框风格卡片 ============ */
  .chinese-card-portrait {
    border: 2px solid var(--chinese-ink);
    border-radius: 0;
    background: var(--card);
    box-shadow: 
      4px 4px 0 0 oklch(from var(--chinese-ink) l c h / 0.15),
      inset 0 0 0 4px var(--card),
      inset 0 0 0 5px var(--border);
    position: relative;
  }

  .chinese-card-portrait::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px dashed oklch(from var(--chinese-ink) l c h / 0.2);
    pointer-events: none;
  }

  /* ============ 竹简风格卡片 ============ */
  .chinese-card-bamboo {
    border: none;
    border-radius: 0;
    background: 
      repeating-linear-gradient(
        to right,
        var(--card) 0px,
        var(--card) 28px,
        oklch(from var(--border) l c h / 0.5) 28px,
        oklch(from var(--border) l c h / 0.5) 30px
      );
    box-shadow: 
      inset 0 2px 4px rgba(0,0,0,0.05),
      0 2px 8px rgba(0,0,0,0.08);
    position: relative;
    padding: 16px 20px;
  }

  .chinese-card-bamboo::before,
  .chinese-card-bamboo::after {
    content: '';
    position: absolute;
    left: 8px;
    right: 8px;
    height: 3px;
    background: var(--chinese-gold-dark);
    border-radius: 1px;
  }

  .chinese-card-bamboo::before {
    top: 6px;
  }

  .chinese-card-bamboo::after {
    bottom: 6px;
  }

  /* ============ 角饰样式 ============ */
  .chinese-card-corner-ornament {
    position: relative;
  }

  .chinese-corner {
    position: absolute;
    width: var(--corner-size);
    height: var(--corner-size);
    pointer-events: none;
  }

  /* 角饰 - 回纹风格 */
  .chinese-corner::before,
  .chinese-corner::after {
    content: '';
    position: absolute;
    background: var(--chinese-red);
  }

  .chinese-corner::before {
    width: 100%;
    height: 2px;
  }

  .chinese-corner::after {
    width: 2px;
    height: 100%;
  }

  /* 四个角的位置 */
  .chinese-corner-tl {
    top: 6px;
    left: 6px;
  }
  .chinese-corner-tl::before { top: 0; left: 0; }
  .chinese-corner-tl::after { top: 0; left: 0; }

  .chinese-corner-tr {
    top: 6px;
    right: 6px;
  }
  .chinese-corner-tr::before { top: 0; right: 0; }
  .chinese-corner-tr::after { top: 0; right: 0; }

  .chinese-corner-bl {
    bottom: 6px;
    left: 6px;
  }
  .chinese-corner-bl::before { bottom: 0; left: 0; }
  .chinese-corner-bl::after { bottom: 0; left: 0; }

  .chinese-corner-br {
    bottom: 6px;
    right: 6px;
  }
  .chinese-corner-br::before { bottom: 0; right: 0; }
  .chinese-corner-br::after { bottom: 0; right: 0; }

  /* ============ 顶部装饰条 ============ */
  .chinese-card-header-decoration {
    height: 3px;
    background: linear-gradient(
      to right,
      transparent 0%,
      var(--chinese-red) 10%,
      var(--chinese-gold) 50%,
      var(--chinese-red) 90%,
      transparent 100%
    );
    margin-bottom: 8px;
  }

  /* ============ 中国风分隔线 ============ */
  .chinese-divider {
    height: 1px;
    width: 100%;
    margin: 12px 0;
    position: relative;
  }

  /* 波浪分隔线 */
  .chinese-divider-wave {
    background: linear-gradient(
      90deg,
      transparent,
      var(--border) 20%,
      var(--border) 80%,
      transparent
    );
  }
  
  .chinese-divider-wave::before {
    content: '〰';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--card);
    padding: 0 8px;
    color: var(--chinese-red);
    font-size: 12px;
    letter-spacing: 4px;
  }

  /* 云纹分隔线 */
  .chinese-divider-cloud {
    background: linear-gradient(
      90deg,
      transparent,
      var(--border) 15%,
      var(--border) 85%,
      transparent
    );
  }

  .chinese-divider-cloud::before {
    content: '☁';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--card);
    padding: 0 12px;
    color: var(--muted-foreground);
    font-size: 14px;
  }

  /* 回纹分隔线 */
  .chinese-divider-meander {
    height: 8px;
    background: 
      repeating-linear-gradient(
        90deg,
        var(--chinese-red) 0px,
        var(--chinese-red) 4px,
        transparent 4px,
        transparent 8px
      );
    opacity: 0.3;
  }

  /* 简约分隔线 */
  .chinese-divider-simple {
    background: linear-gradient(
      90deg,
      transparent,
      var(--chinese-red) 30%,
      var(--chinese-red) 70%,
      transparent
    );
    opacity: 0.4;
  }

  /* ============ 悬停装饰效果 ============ */
  .chinese-card-default:hover .chinese-corner::before,
  .chinese-card-default:hover .chinese-corner::after {
    background: var(--chinese-gold);
  }

  /* ============ 统计卡片特殊样式 ============ */
  .chinese-stat-card {
    position: relative;
    overflow: hidden;
  }

  .chinese-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
      to right,
      var(--chinese-red) 0%,
      var(--chinese-gold) 50%,
      var(--chinese-red) 100%
    );
  }

  .chinese-stat-card:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
      to right,
      transparent 0%,
      var(--chinese-red) 20%,
      var(--chinese-red) 80%,
      transparent 100%
    );
    animation: stat-line-in 0.3s ease-out;
  }

  @keyframes stat-line-in {
    from {
      transform: scaleX(0);
    }
    to {
      transform: scaleX(1);
    }
  }

  /* ============ 印章装饰 ============ */
  .chinese-seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--chinese-red);
    border-radius: 4px;
    color: var(--chinese-red);
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: bold;
    transform: rotate(-5deg);
    opacity: 0.8;
  }

  .chinese-seal-sm {
    width: 28px;
    height: 28px;
    font-size: 10px;
    border-width: 1.5px;
  }

  .chinese-seal-lg {
    width: 56px;
    height: 56px;
    font-size: 18px;
    border-width: 3px;
  }
}