/* 秒思智能审核平台 - 全局样式文件 */
/* 严格按照 Pencil 设计文件实现 */

@tailwind base;
@tailwind components;
@tailwind utilities;

/* ========================================
   1. CSS Variables (设计令牌) - 来自设计文件
   ======================================== */
:root {
  /* 背景色 */
  --bg-page: #0B0B0E;
  --bg-card: #16161A;
  --bg-elevated: #1A1A1E;

  /* 文字色 */
  --text-primary: #FAFAF9;
  --text-secondary: #6B6B70;
  --text-tertiary: #4A4A50;

  /* 强调色 */
  --accent-indigo: #6366F1;
  --accent-green: #32D583;
  --accent-coral: #E85A4F;
  --accent-amber: #FFB547;
  --accent-blue: #007AFF;

  /* 边框色 */
  --border-subtle: #2A2A2E;
  --border-strong: #3A3A40;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* 间距 */
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* ========================================
   2. Base Styles (基础样式)
   ======================================== */
@layer base {
  html, body {
    height: 100%;
  }

  html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
  }

  /* 字体工具类 */
  .font-display {
    font-family: 'Fraunces', serif;
  }

  .font-primary {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  }
}

/* ========================================
   3. Scrollbar Styles (滚动条样式)
   ======================================== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

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

/* ========================================
   4. Animations (动画)
   ======================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.2s ease-out;
}

.animate-slide-up {
  animation: slideUp 0.3s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ========================================
   5. Utility Classes (工具类)
   ======================================== */
.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

/* Safe area for iOS */
.safe-area-bottom {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.safe-area-top {
  padding-top: env(safe-area-inset-top, 0);
}

/* 底部导航渐变背景 */
.bottom-nav-gradient {
  background: linear-gradient(180deg, rgba(11, 11, 14, 0) 0%, #0B0B0E 50%);
}

/* 卡片阴影 */
.card-shadow {
  box-shadow: 0px 4px 16px -4px rgba(0, 0, 0, 0.25);
}

/* 浮动导航阴影 */
.nav-shadow {
  box-shadow: 0px -4px 24px 0px rgba(0, 0, 0, 0.25);
}