/* ==============================================
   AuraLink UI 美观度增强样式
   现代化DeFi网站设计
============================================== */

/* 1. 更现代的颜色系统 */
:root {
    /* 主色调 - 渐变蓝紫色系 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    
    /* 功能性颜色 */
    --success-color: #10dc60;
    --warning-color: #ffce00;
    --danger-color: #f04141;
    --info-color: #3880ff;
    
    /* 中性色系 */
    --dark-color: #2d3748;
    --light-color: #f7fafc;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    
    /* 阴影系统 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* 边框半径 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 间距系统 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
}

/* 2. 增强的玻璃态效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

/* 3. 现代化按钮系统 */
.btn-gradient {
    background: var(--primary-gradient);
    border: none;
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-gradient {
    background: transparent;
    border: 2px solid;
    border-image: var(--primary-gradient) 1;
    color: var(--primary-color);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-gradient:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
}

/* 4. 改进的卡片设计 */
.modern-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-card-enhanced {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-card-enhanced::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.feature-card-enhanced:hover::before {
    opacity: 0.05;
}

.feature-card-enhanced:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* 5. 渐变文字效果 */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.animated-gradient-text {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #667eea);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 6. 改进的导航栏 */
.navbar-enhanced {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.navbar-enhanced.sticky {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

/* 7. 增强的输入框 */
.modern-input {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.modern-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.input-group-enhanced {
    position: relative;
    margin-bottom: var(--space-md);
}

.input-group-enhanced label {
    position: absolute;
    top: 12px;
    left: 16px;
    color: var(--gray-500);
    transition: all 0.3s ease;
    pointer-events: none;
    background: white;
    padding: 0 4px;
}

.input-group-enhanced input:focus + label,
.input-group-enhanced input:not(:placeholder-shown) + label {
    transform: translateY(-24px) scale(0.85);
    color: var(--primary-color);
}

/* 8. 统计卡片增强 */
.stat-card-modern {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.stat-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon-modern {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-sm);
    color: white;
    font-size: 24px;
}

.stat-value-modern {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--space-xs);
}

.stat-label-modern {
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 9. 进度条增强 */
.progress-enhanced {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.progress-bar-enhanced {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    transition: width 0.6s ease;
    position: relative;
}

.progress-bar-enhanced::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 10. 表格增强 */
.table-enhanced {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.table-enhanced th {
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-md);
    border: none;
}

.table-enhanced td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table-enhanced tr:hover {
    background: var(--gray-50);
}

/* 11. 响应式网格增强 */
.grid-enhanced {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@media (max-width: 768px) {
    .grid-enhanced {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* 12. 动画增强 */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in-up.delay-1 { animation-delay: 0.1s; }
.fade-in-up.delay-2 { animation-delay: 0.2s; }
.fade-in-up.delay-3 { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 13. 加载状态 */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 14. 通知增强 */
.notification-enhanced {
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    border-left: 4px solid;
    background: white;
    box-shadow: var(--shadow-md);
    animation: slideInRight 0.3s ease;
}

.notification-enhanced.success {
    border-left-color: var(--success-color);
    background: linear-gradient(135deg, rgba(16, 220, 96, 0.1), rgba(16, 220, 96, 0.05));
}

.notification-enhanced.warning {
    border-left-color: var(--warning-color);
    background: linear-gradient(135deg, rgba(255, 206, 0, 0.1), rgba(255, 206, 0, 0.05));
}

.notification-enhanced.error {
    border-left-color: var(--danger-color);
    background: linear-gradient(135deg, rgba(240, 65, 65, 0.1), rgba(240, 65, 65, 0.05));
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 15. 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f7fafc;
        --light-color: #2d3748;
        --gray-100: #4a5568;
        --gray-200: #3a4550;
    }
    
    .modern-card,
    .glass-card {
        background: rgba(45, 55, 72, 0.95);
        color: white;
    }
    
    .modern-input {
        background: #4a5568;
        color: white;
        border-color: #6b7280;
    }
} 

/* 16. 移动端增强 */
@media (max-width: 768px) {
    .hero-area {
        background: linear-gradient(135deg, #24126a 0%, #3e80ff 100%);
        position: relative;
        overflow: hidden;
    }
    
    .hero-area::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="40" cy="80" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
        opacity: 0.3;
        z-index: 0;
    }
    
    .feature-card-enhanced {
        padding: var(--space-lg);
        margin-bottom: var(--space-md);
    }
    
    .btn-gradient,
    .btn-outline-gradient {
        width: 100%;
        margin-bottom: var(--space-sm);
        padding: var(--space-md) var(--space-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    .stat-card-modern {
        padding: var(--space-md);
    }
    
    .stat-icon-modern {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .stat-value-modern {
        font-size: 1.8rem;
    }
}

/* 17. 滚动增强 */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 18. 微交互增强 */
.micro-interaction {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.micro-interaction:hover {
    transform: scale(1.05);
}

.micro-interaction:active {
    transform: scale(0.98);
}

/* 19. Focus状态增强 */
.modern-input:focus,
.btn-gradient:focus,
.btn-outline-gradient:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 20. 性能优化 */
.will-change-transform {
    will-change: transform;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* 21. 打印样式优化 */
@media print {
    .navbar,
    .scroll-top,
    .btn-gradient,
    .btn-outline-gradient {
        display: none !important;
    }
    
    .modern-card,
    .feature-card-enhanced {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .gradient-text,
    .animated-gradient-text {
        color: #333 !important;
        -webkit-text-fill-color: #333 !important;
    }
}

/* 22. 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0056b3;
        --secondary-color: #495057;
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    }
    
    .btn-gradient {
        background: #0056b3;
        border: 2px solid #fff;
    }
    
    .modern-card {
        border: 2px solid #333;
    }
}

/* 23. 动画性能优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 24. 额外的实用类 */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.backdrop-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.border-gradient {
    border: 2px solid transparent;
    border-image: var(--primary-gradient) 1;
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* 25. 工具提示增强 */
.tooltip-enhanced {
    position: relative;
    display: inline-block;
}

.tooltip-enhanced::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip-enhanced:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* 26. 加载指示器 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 27. 错误状态 */
.error-state {
    border-color: var(--danger-color);
    background-color: rgba(240, 65, 65, 0.05);
}

.success-state {
    border-color: var(--success-color);
    background-color: rgba(16, 220, 96, 0.05);
}

/* 28. 最终调整 */
.enhanced-page {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

.section-enhanced {
    background: white;
    border-radius: var(--radius-xl);
    margin: var(--space-lg) 0;
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}