/* Toast 容器 */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Toast 样式 */
.toast {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateX(120%);
  transition: transform 0.3s ease;
  min-width: 250px;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  margin-right: 12px;
  flex-shrink: 0;
}

.toast-message {
  flex-grow: 1;
  font-size: 14px;
  line-height: 1.4;
}

/* Toast 类型样式 */
.toast-success {
  border-left: 4px solid #4caf50;
}

.toast-error {
  border-left: 4px solid #f44336;
}

.toast-warning {
  border-left: 4px solid #ff9800;
}

.toast-info {
  border-left: 4px solid #2196f3;
}

/* 加载遮罩 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  color: white;
  font-size: 14px;
}

/* 对话框 */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.dialog {
  background: white;
  border-radius: 8px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  animation: slideIn 0.3s ease;
}

.dialog-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
}

.dialog-content {
  margin-bottom: 24px;
  line-height: 1.5;
}

.dialog-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* 进度条 */
.progress-bar {
  width: 100%;
  margin: 12px 0;
}

.progress-track {
  background: #e0e0e0;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: #2196f3;
  width: 0;
  transition: width 0.3s ease;
}

.progress-text {
  text-align: center;
  font-size: 12px;
  color: #666;
  margin-top: 4px;
}

/* 按钮样式 */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: #2196f3;
  color: white;
}

.btn-primary:hover {
  background: #1976d2;
}

.btn-secondary {
  background: #e0e0e0;
  color: #333;
}

.btn-secondary:hover {
  background: #bdbdbd;
}

/* 动画 */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
  .toast {
    background: #333;
    color: white;
  }

  .dialog {
    background: #333;
    color: white;
  }

  .btn-secondary {
    background: #424242;
    color: white;
  }

  .btn-secondary:hover {
    background: #616161;
  }
}

/* 统计部分样式 */
.stats-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    margin: var(--spacing-xl) calc(var(--spacing-xl) * -1);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/pattern.svg');
    opacity: 0.1;
    animation: float 20s linear infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background: var(--background-dark);
    color: var(--text-light);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.footer-section:hover h4::after {
    width: 100%;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 英雄区域样式 */
.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, white, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeIn 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeIn 1s ease-out 0.6s backwards;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 无障碍增强 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: more) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #00ff00;
        --text-light: #ffffff;
        --text-dark: #000000;
    }
}