/* AppShare 通用样式 - 紫色渐变主题 */

/* ==================== CSS 变量定义 ==================== */
:root {
  /* Primary Gradient Colors - Purple Theme */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --accent-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

  /* Base Colors */
  --md-primary: #667eea;
  --md-primary-dark: #764ba2;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #e8ebfc;
  --md-on-primary-container: #1a1464;

  /* Secondary Colors */
  --md-secondary: #545f71;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #d8e3f8;
  --md-on-secondary-container: #111c2b;

  /* Tertiary Colors */
  --md-tertiary: #f093fb;
  --md-on-tertiary: #FFFFFF;
  --md-tertiary-container: #fce4ec;
  --md-on-tertiary-container: #5a0060;

  /* Error Colors */
  --md-error: #BA1A1A;
  --md-on-error: #FFFFFF;
  --md-error-container: #FFDAD6;
  --md-on-error-container: #410002;

  /* Surface Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f5;

  --md-surface: #f8f9fa;
  --md-on-surface: #1a1a1a;
  --md-surface-variant: #e9ecef;
  --md-on-surface-variant: #6c757d;
  --md-surface-container-lowest: #FFFFFF;
  --md-surface-container-low: #fefbff;
  --md-surface-container: #f8f9fa;
  --md-surface-container-high: #f1f3f5;
  --md-surface-container-highest: #e9ecef;

  /* Text Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #6c757d;
  --text-tertiary: #adb5bd;

  /* Border & Outline Colors */
  --border-color: #e9ecef;
  --md-outline: #adb5bd;
  --md-outline-variant: #dee2e6;

  /* Inverse Colors */
  --md-inverse-surface: #2f3033;
  --md-inverse-on-surface: #f1f0f4;
  --md-inverse-primary: #a8b5ff;

  /* Shadow and Elevation - 柔和阴影 */
  --md-shadow: #000000;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

  --md-elevation-level0: none;
  --md-elevation-level1: 0 2px 8px rgba(0, 0, 0, 0.04);
  --md-elevation-level2: 0 4px 16px rgba(0, 0, 0, 0.08);
  --md-elevation-level3: 0 8px 24px rgba(0, 0, 0, 0.12);
  --md-elevation-level4: 0 12px 32px rgba(0, 0, 0, 0.16);
  --md-elevation-level5: 0 16px 48px rgba(0, 0, 0, 0.20);

  /* Shape Tokens - 系统圆角 (8/12/16/24px) */
  --md-shape-corner-none: 0px;
  --md-shape-corner-extra-small: 4px;
  --md-shape-corner-small: 8px;
  --md-shape-corner-medium: 12px;
  --md-shape-corner-large: 16px;
  --md-shape-corner-extra-large: 24px;
  --md-shape-corner-full: 9999px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Motion Tokens - 0.3s 动画 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --md-motion-duration-short1: 50ms;
  --md-motion-duration-short2: 100ms;
  --md-motion-duration-short3: 150ms;
  --md-motion-duration-short4: 200ms;
  --md-motion-duration-medium1: 250ms;
  --md-motion-duration-medium2: 300ms;
  --md-motion-duration-medium3: 350ms;
  --md-motion-duration-medium4: 400ms;
  --md-motion-duration-long1: 450ms;
  --md-motion-duration-long2: 500ms;
  --md-motion-duration-long3: 550ms;
  --md-motion-duration-long4: 600ms;

  --md-motion-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --md-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --md-motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
  --md-motion-easing-emphasized-accelerate: cubic-bezier(0.3, 0, 0.8, 0.15);
}

/* ==================== 深色模式 ==================== */
@media (prefers-color-scheme: dark) {
  :root {
    /* Surface Colors - Dark Mode */
    --bg-primary: #1a1a1a;
    --bg-secondary: #121212;
    --bg-tertiary: #2a2a2a;

    --md-surface: #1a1a1a;
    --md-on-surface: #e8e8e8;
    --md-surface-variant: #2a2a2a;
    --md-on-surface-variant: #b0b0b0;
    --md-surface-container-lowest: #0f0f0f;
    --md-surface-container-low: #1a1a1a;
    --md-surface-container: #1f1f1f;
    --md-surface-container-high: #2a2a2a;
    --md-surface-container-highest: #353535;

    /* Text Colors - Dark Mode */
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;

    /* Border & Outline Colors - Dark Mode */
    --border-color: #2a2a2a;
    --md-outline: #808080;
    --md-outline-variant: #404040;

    /* Primary Container - Dark Mode */
    --md-primary-container: #3d2f5f;
    --md-on-primary-container: #e8e0ff;

    /* Secondary Container - Dark Mode */
    --md-secondary-container: #3d4758;
    --md-on-secondary-container: #d8e3f8;

    /* Tertiary Container - Dark Mode */
    --md-tertiary-container: #5a2f5f;
    --md-on-tertiary-container: #fce4ec;

    /* Shadow and Elevation - Dark Mode */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    --md-elevation-level1: 0 2px 8px rgba(0, 0, 0, 0.3);
    --md-elevation-level2: 0 4px 16px rgba(0, 0, 0, 0.4);
    --md-elevation-level3: 0 8px 24px rgba(0, 0, 0, 0.5);
    --md-elevation-level4: 0 12px 32px rgba(0, 0, 0, 0.6);
    --md-elevation-level5: 0 16px 48px rgba(0, 0, 0, 0.7);

    /* Inverse Colors - Dark Mode */
    --md-inverse-surface: #e8e8e8;
    --md-inverse-on-surface: #1a1a1a;
    --md-inverse-primary: #667eea;
  }

  /* 导航栏深色模式 */
  .md3-top-app-bar {
    background: rgba(26, 26, 26, 0.95);
  }

  /* 图片查看器深色模式 */
  .image-viewer-modal {
    background: rgba(0, 0, 0, 0.98);
  }
}

/* ==================== 全局重置 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-secondary);
  overflow-x: hidden;
}

/* ==================== 顶部导航栏 - 毛玻璃设计 ==================== */
.md3-top-app-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.md3-top-app-bar-container {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 品牌标识 */
.md3-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-decoration: none;
}

.md3-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.md3-brand-icon .material-icons {
  font-size: 24px;
  color: white;
}

.md3-brand-title {
  font-size: 20px;
  font-weight: 600;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

/* 导航菜单 */
.md3-navigation {
  display: flex;
  align-items: center;
  gap: 8px;
}

.md3-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.md3-nav-link:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.md3-nav-link-active {
  background: var(--primary-gradient);
  color: white !important;
  box-shadow: var(--shadow-sm);
}

.md3-nav-link .material-icons,
.md3-nav-link .material-icons-outlined {
  font-size: 20px;
}

.md3-nav-label {
  display: inline-block;
}

/* 操作按钮 */
.md3-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.md3-fab-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  text-decoration: none;
}

.md3-fab-primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.md3-fab-primary .material-icons {
  font-size: 20px;
}

.md3-fab-label {
  display: inline-block;
}

/* 移动端菜单按钮 */
.md3-menu-button {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.md3-menu-button:hover {
  background: var(--bg-tertiary);
}

.md3-menu-button .material-icons {
  font-size: 24px;
  color: var(--text-primary);
}

/* 移动端导航菜单 */
.md3-mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-md);
}

.md3-mobile-menu.active {
  display: flex;
}

.md3-mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.md3-mobile-nav-link:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.md3-mobile-nav-link .material-icons,
.md3-mobile-nav-link .material-icons-outlined {
  font-size: 22px;
}

.md3-mobile-download {
  background: var(--primary-gradient);
  color: white !important;
  margin-top: 8px;
}

/* ==================== Footer 样式 ==================== */
.md3-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  margin-top: 80px;
}

.md3-footer-container,
.md3-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.md3-footer-content {
  margin-bottom: 32px;
}

.md3-footer-brand {
  max-width: 400px;
}

.md3-footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.md3-footer-logo .material-icons {
  font-size: 32px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md3-footer-title {
  font-size: 20px;
  font-weight: 600;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md3-footer-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.md3-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.md3-footer-copyright {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
}

.md3-footer-copyright p {
  margin: 0 0 4px 0;
}

.md3-footer-beian {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.md3-footer-beian:hover {
  color: var(--md-primary);
}

.md3-footer-info {
  text-align: center;
}

.md3-footer-icp {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
  margin: 8px 0 0 0;
}

/* ==================== 返回顶部按钮 ==================== */
.md3-back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 999;
  display: none;
}

.md3-back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
}

.md3-back-to-top .material-icons {
  font-size: 28px;
}

.md3-fab-secondary {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.md3-fab-secondary:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
}

.md3-fab-secondary .material-icons {
  font-size: 28px;
}

/* ==================== 主内容区域 ==================== */
.md3-main-content {
  margin-top: 64px;
  min-height: calc(100vh - 64px);
}

.md3-main {
  margin-top: 64px;
  min-height: calc(100vh - 64px);
}

/* ==================== 徽章样式 ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 12px 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  line-height: 1;
  vertical-align: middle;
  height: 24px;
  min-height: 24px;
}

.badge-vip {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #8b4513;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.badge-level {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.badge-preferred-title {
  background: #ff6b6b;
  color: white;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
  .md3-navigation {
    display: none;
  }

  .md3-menu-button {
    display: flex;
  }
}

@media (max-width: 768px) {
  .md3-top-app-bar {
    height: 56px;
  }

  .md3-top-app-bar-container {
    padding: 0 16px;
  }

  .md3-brand-icon {
    width: 36px;
    height: 36px;
  }

  .md3-brand-icon .material-icons {
    font-size: 20px;
  }

  .md3-brand-title {
    font-size: 18px;
  }

  .md3-fab-primary {
    padding: 10px 20px;
    font-size: 14px;
  }

  .md3-fab-label {
    display: none;
  }

  .md3-main-content,
  .md3-main {
    margin-top: 56px;
    min-height: calc(100vh - 56px);
  }

  .md3-container,
  .md3-footer-container {
    padding: 0 16px;
  }

  .md3-footer {
    padding: 32px 0 20px;
    margin-top: 48px;
  }

  .md3-back-to-top,
  .md3-fab-secondary {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
  }

  .md3-back-to-top .material-icons,
  .md3-fab-secondary .material-icons {
    font-size: 24px;
  }
}

/* ==================== 工具类 ==================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}