/* 主题样式 - 颜色变量/动画定义 */

:root {
    /* 品牌主色调 */
    --color-primary: #0052D9;
    --color-primary-light: #1A73E8;
    --color-primary-dark: #003DA5;
    
    /* 辅助色 */
    --color-accent-gold: #D4AF37;
    --color-accent-gold-light: #E6C280;
    --color-success-green: #00A870;
    --color-warning: #FF8C00;
    --color-error: #E34D59;
    
    /* 中性色/文字色 */
    --color-text-primary: #1E2329;
    --color-text-secondary: #5F6874;
    --color-text-tertiary: #999999;
    --color-text-disabled: #C4C4C4;
    
    /* 背景色 */
    --color-bg-page: #F4F5F7;
    --color-bg-card: #FFFFFF;
    --color-bg-gray-light: #F8F9FA;
    
    /* 边框色 */
    --color-border-light: #E9ECEF;
    --color-border-medium: #D1D5DB;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    
    /* 间距规范 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
}

/* 动画定义 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-slide-down {
    animation: slideDown 0.5s ease-out;
}

/* 通用样式类 */
.bg-primary {
    background-color: var(--color-primary);
}

.text-primary {
    color: var(--color-primary);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--color-primary);
    padding: 12px 24px;
    border-radius: 8px;
    border: 1px solid var(--color-primary);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--color-bg-gray-light);
}

/* 卡片样式 */
.card {
    background-color: var(--color-bg-card);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}