/*!
 * Glass and Neumorphism Effects for WebStack-Hugo Theme
 * 磨砂玻璃和拟态效果样式
 */

/* 磨砂玻璃背景效果 - 性能优化版本 */
.glass-bg {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 50%, 
        rgba(240, 240, 240, 0.12) 100%);
    position: relative;
}

/* 简化的背景纹理，避免使用backdrop-filter */
.glass-bg::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%);
    background-size: 100px 100px, 150px 150px, 20px 20px, 20px 20px;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

/* 磨砂玻璃卡片效果 - 性能优化版本 */
.card-glass .card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        rgba(255, 255, 255, 0.1) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.card-glass .card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.35) 0%, 
        rgba(255, 255, 255, 0.25) 50%, 
        rgba(255, 255, 255, 0.2) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* 夜间模式下的磨砂玻璃效果 */
.io-black-mode .card-glass .card {
    background: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.io-black-mode .card-glass .card:hover {
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 拟态风格卡片效果 */
.card-neumorphism .card {
    background: #f0f0f3 !important;
    border: none;
    border-radius: 20px;
    box-shadow: 
        9px 9px 16px rgba(163, 177, 198, 0.6),
        -9px -9px 16px rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.card-neumorphism .card:hover {
    box-shadow: 
        inset 2px 2px 5px rgba(163, 177, 198, 0.2),
        inset -2px -2px 5px rgba(255, 255, 255, 0.7),
        9px 9px 16px rgba(163, 177, 198, 0.4),
        -9px -9px 16px rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* 夜间模式下的拟态效果 */
.io-black-mode .card-neumorphism .card {
    background: #2c2c2c !important;
    box-shadow: 
        9px 9px 16px rgba(0, 0, 0, 0.4),
        -9px -9px 16px rgba(60, 60, 60, 0.4);
}

.io-black-mode .card-neumorphism .card:hover {
    box-shadow: 
        inset 2px 2px 5px rgba(0, 0, 0, 0.3),
        inset -2px -2px 5px rgba(60, 60, 60, 0.3),
        9px 9px 16px rgba(0, 0, 0, 0.3),
        -9px -9px 16px rgba(60, 60, 60, 0.3);
}

/* 卡片内容样式调整 */
.card-glass .url-info strong,
.card-neumorphism .url-info strong {
    color: inherit;
}

.card-glass .text-muted,
.card-neumorphism .text-muted {
    opacity: 0.8;
}

/* 图标容器样式 */
.card-glass .url-img,
.card-neumorphism .url-img {
    border-radius: 8px;
    overflow: hidden;
}

/* 直达按钮样式 - 性能优化版本 */
.card-glass .togo,
.card-neumorphism .togo {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.card-glass .togo:hover,
.card-neumorphism .togo:hover {
    background: rgba(241, 64, 75, 0.8);
    color: white;
    box-shadow: 0 2px 8px rgba(241, 64, 75, 0.3);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .card-glass .card,
    .card-neumorphism .card {
        border-radius: 16px;
    }
    
    .card-neumorphism .card {
        box-shadow: 
            6px 6px 12px rgba(163, 177, 198, 0.6),
            -6px -6px 12px rgba(255, 255, 255, 0.5);
    }
    
    .io-black-mode .card-neumorphism .card {
        box-shadow: 
            6px 6px 12px rgba(0, 0, 0, 0.4),
            -6px -6px 12px rgba(60, 60, 60, 0.4);
    }
}

/* 动画效果增强 */
.card-glass .card,
.card-neumorphism .card {
    will-change: transform, box-shadow;
}

/* 简化的光影效果 - 性能优化 */
.card-glass .card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.card-glass .card:hover::after {
    opacity: 1;
}
/* 侧边栏磨砂玻璃效果 - 性能优化版本 */
.glass-bg .sidebar-nav-inner {
    background: linear-gradient(180deg, 
        rgba(44, 46, 47, 0.9) 0%, 
        rgba(44, 46, 47, 0.85) 100%) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.1);
}

/* 搜索框磨砂玻璃效果 - 性能优化版本 */
.glass-bg .search-box,
.glass-bg .form-control {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 分类标签磨砂玻璃效果 - 性能优化版本 */
.glass-bg .nav-tabs .nav-link {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-bg .nav-tabs .nav-link.active {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.35) 0%, 
        rgba(255, 255, 255, 0.25) 100%);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* 拟态风格侧边栏 */
.card-neumorphism .sidebar-nav-inner {
    background: #e0e5ec !important;
    box-shadow: 
        inset 5px 5px 10px rgba(163, 177, 198, 0.4),
        inset -5px -5px 10px rgba(255, 255, 255, 0.6);
}

/* 拟态风格搜索框 */
.card-neumorphism .search-box,
.card-neumorphism .form-control {
    background: #e0e5ec !important;
    border: none;
    box-shadow: 
        inset 3px 3px 6px rgba(163, 177, 198, 0.4),
        inset -3px -3px 6px rgba(255, 255, 255, 0.6);
}

/* 拟态风格分类标签 */
.card-neumorphism .nav-tabs .nav-link {
    background: #e0e5ec;
    border: none;
    box-shadow: 
        3px 3px 6px rgba(163, 177, 198, 0.4),
        -3px -3px 6px rgba(255, 255, 255, 0.6);
}

.card-neumorphism .nav-tabs .nav-link.active {
    box-shadow: 
        inset 2px 2px 4px rgba(163, 177, 198, 0.4),
        inset -2px -2px 4px rgba(255, 255, 255, 0.6);
}

/* 夜间模式下的拟态效果调整 */
.io-black-mode .card-neumorphism .sidebar-nav-inner {
    background: #2c2c2c !important;
    box-shadow: 
        inset 5px 5px 10px rgba(0, 0, 0, 0.4),
        inset -5px -5px 10px rgba(60, 60, 60, 0.4);
}

.io-black-mode .card-neumorphism .search-box,
.io-black-mode .card-neumorphism .form-control {
    background: #2c2c2c !important;
    box-shadow: 
        inset 3px 3px 6px rgba(0, 0, 0, 0.4),
        inset -3px -3px 6px rgba(60, 60, 60, 0.4);
}

.io-black-mode .card-neumorphism .nav-tabs .nav-link {
    background: #2c2c2c;
    box-shadow: 
        3px 3px 6px rgba(0, 0, 0, 0.4),
        -3px -3px 6px rgba(60, 60, 60, 0.4);
}

.io-black-mode .card-neumorphism .nav-tabs .nav-link.active {
    box-shadow: 
        inset 2px 2px 4px rgba(0, 0, 0, 0.4),
        inset -2px -2px 4px rgba(60, 60, 60, 0.4);
}

/* 简化的卡片动画 - 性能优化 */
.card-glass .url-card,
.card-neumorphism .url-card {
    opacity: 0;
    animation: cardFadeIn 0.3s ease-out forwards;
}

@keyframes cardFadeIn {
    to {
        opacity: 1;
    }
}

/* 优化小屏幕显示 */
@media (max-width: 576px) {
    .card-glass .card,
    .card-neumorphism .card {
        border-radius: 12px;
        margin-bottom: 0.5rem;
    }
    
    .card-neumorphism .card {
        box-shadow: 
            4px 4px 8px rgba(163, 177, 198, 0.6),
            -4px -4px 8px rgba(255, 255, 255, 0.5);
    }
}

/* 提升性能的优化 */
.card-glass .card,
.card-neumorphism .card {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}/* 性能优化和降级处理
 */

/* 禁用动画的媒体查询 - 为低性能设备优化 */
@media (prefers-reduced-motion: reduce) {
    .card-glass .url-card,
    .card-neumorphism .url-card {
        animation: none;
    }
    
    .card-glass .card,
    .card-neumorphism .card {
        transition: none;
    }
    
    .card-glass .card::after {
        display: none;
    }
}

/* 低分辨率设备优化 */
@media (max-resolution: 150dpi) {
    .glass-bg::before {
        background-size: 50px 50px, 75px 75px, 10px 10px, 10px 10px;
        opacity: 0.3;
    }
    
    .card-glass .card {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    }
    
    .card-glass .card:hover {
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    }
}

/* 移动设备进一步优化 */
@media (max-width: 768px) and (max-resolution: 200dpi) {
    .glass-bg::before {
        display: none;
    }
    
    .card-glass .card {
        background: rgba(255, 255, 255, 0.2) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .card-glass .card:hover {
        background: rgba(255, 255, 255, 0.3) !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
}

/* 强制GPU加速但避免过度使用 */
.card-glass .card,
.card-neumorphism .card {
    will-change: auto;
    contain: layout style paint;
}

.card-glass .card:hover,
.card-neumorphism .card:hover {
    will-change: transform, box-shadow;
}

/* 优化渲染层 */
.glass-bg {
    isolation: isolate;
}

.card-glass .url-card,
.card-neumorphism .url-card {
    contain: layout style;
}/
* 方形圆角透明气泡效果 */
.card-bubble .card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.15) 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 2px 0 rgba(255, 255, 255, 0.4),
        inset 0 -2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-bubble .card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.card-bubble .card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.25) 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 2px 0 rgba(255, 255, 255, 0.6),
        inset 0 -2px 0 rgba(0, 0, 0, 0.08);
    transform: translateY(-4px) scale(1.02);
}

.card-bubble .card:hover::before {
    opacity: 1;
}

/* 夜间模式下的透明气泡效果 */
.io-black-mode .card-bubble .card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.04) 50%, 
        rgba(255, 255, 255, 0.06) 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.1),
        inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.io-black-mode .card-bubble .card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.12) 0%, 
        rgba(255, 255, 255, 0.08) 50%, 
        rgba(255, 255, 255, 0.1) 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 2px 0 rgba(255, 255, 255, 0.15),
        inset 0 -2px 0 rgba(0, 0, 0, 0.3);
}

/* 毛玻璃效果 */
.card-frosted .card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 毛玻璃纹理效果 */
.card-frosted .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            rgba(255, 255, 255, 0.03) 0px,
            rgba(255, 255, 255, 0.03) 1px,
            transparent 1px,
            transparent 2px
        ),
        repeating-linear-gradient(
            -45deg,
            rgba(255, 255, 255, 0.02) 0px,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 2px
        );
    border-radius: inherit;
    pointer-events: none;
}

.card-frosted .card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.card-frosted .card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.35) 0%, 
        rgba(255, 255, 255, 0.25) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.18),
        0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.card-frosted .card:hover::after {
    opacity: 1;
}

/* 夜间模式下的毛玻璃效果 */
.io-black-mode .card-frosted .card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(0, 0, 0, 0.3);
}

.io-black-mode .card-frosted .card:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.5),
        0 4px 12px rgba(0, 0, 0, 0.4);
}

/* 透明气泡和毛玻璃的内容样式调整 */
.card-bubble .url-info strong,
.card-frosted .url-info strong {
    color: inherit;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.card-bubble .text-muted,
.card-frosted .text-muted {
    opacity: 0.8;
}

/* 图标容器样式 */
.card-bubble .url-img,
.card-frosted .url-img {
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 直达按钮样式 */
.card-bubble .togo,
.card-frosted .togo {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.2s ease;
}

.card-bubble .togo:hover,
.card-frosted .togo:hover {
    background: rgba(241, 64, 75, 0.9);
    color: white;
    box-shadow: 
        0 4px 12px rgba(241, 64, 75, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .card-bubble .card,
    .card-frosted .card {
        border-radius: 14px;
    }
    
    .card-bubble .card {
        border-width: 1.5px;
    }
    
    .card-frosted .card {
        border-radius: 16px;
    }
}

/* 性能优化 */
.card-bubble .card,
.card-frosted .card {
    will-change: auto;
    contain: layout style paint;
}

.card-bubble .card:hover,
.card-frosted .card:hover {
    will-change: transform, box-shadow;
}

/* 动画效果 */
.card-bubble .url-card,
.card-frosted .url-card {
    opacity: 0;
    animation: bubbleFadeIn 0.4s ease-out forwards;
}

@keyframes bubbleFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 性能模式下的优化 */
@media (prefers-reduced-motion: reduce) {
    .card-bubble .url-card,
    .card-frosted .url-card {
        animation: none;
        opacity: 1;
    }
    
    .card-bubble .card,
    .card-frosted .card {
        transition: none;
    }
    
    .card-bubble .card::before,
    .card-frosted .card::after {
        display: none;
    }
}

/* 低性能设备优化 */
@media (max-resolution: 150dpi) {
    .card-frosted .card::before {
        display: none;
    }
    
    .card-bubble .card::before {
        opacity: 0.5;
    }
}/* 
毛玻璃背景效果 */
.frosted-bg {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(240, 240, 240, 0.15) 50%, 
        rgba(255, 255, 255, 0.1) 100%);
    position: relative;
}

/* 毛玻璃背景纹理层 */
.frosted-bg::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        /* 主要交叉纹理 */
        repeating-linear-gradient(
            45deg,
            rgba(255, 255, 255, 0.04) 0px,
            rgba(255, 255, 255, 0.04) 2px,
            transparent 2px,
            transparent 4px
        ),
        repeating-linear-gradient(
            -45deg,
            rgba(255, 255, 255, 0.03) 0px,
            rgba(255, 255, 255, 0.03) 2px,
            transparent 2px,
            transparent 4px
        ),
        /* 细密纹理 */
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.02) 0px,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 2px
        ),
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.02) 0px,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 2px
        );
    background-size: 20px 20px, 20px 20px, 4px 4px, 4px 4px;
    z-index: -2;
    pointer-events: none;
    opacity: 0.8;
}

/* 毛玻璃光影效果层 */
.frosted-bg::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        /* 大范围光影 */
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 60% 40%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        /* 细节光点 */
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.12) 0%, transparent 30%),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 30%);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

/* 夜间模式下的毛玻璃背景 */
.io-black-mode .frosted-bg {
    background: linear-gradient(135deg, 
        rgba(40, 40, 40, 0.3) 0%, 
        rgba(30, 30, 30, 0.25) 50%, 
        rgba(35, 35, 35, 0.2) 100%);
}

.io-black-mode .frosted-bg::before {
    background-image: 
        repeating-linear-gradient(
            45deg,
            rgba(255, 255, 255, 0.02) 0px,
            rgba(255, 255, 255, 0.02) 2px,
            transparent 2px,
            transparent 4px
        ),
        repeating-linear-gradient(
            -45deg,
            rgba(255, 255, 255, 0.015) 0px,
            rgba(255, 255, 255, 0.015) 2px,
            transparent 2px,
            transparent 4px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.01) 0px,
            rgba(255, 255, 255, 0.01) 1px,
            transparent 1px,
            transparent 2px
        ),
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.01) 0px,
            rgba(255, 255, 255, 0.01) 1px,
            transparent 1px,
            transparent 2px
        );
    opacity: 0.6;
}

.io-black-mode .frosted-bg::after {
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 60%),
        radial-gradient(circle at 60% 40%, rgba(255, 255, 255, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 30%),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
    opacity: 0.4;
}

/* 毛玻璃背景下的侧边栏优化 */
.frosted-bg .sidebar-nav-inner {
    background: linear-gradient(180deg, 
        rgba(44, 46, 47, 0.85) 0%, 
        rgba(44, 46, 47, 0.9) 100%) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        inset -1px 0 0 rgba(255, 255, 255, 0.1),
        2px 0 10px rgba(0, 0, 0, 0.1);
}

/* 毛玻璃背景下的搜索框优化 */
.frosted-bg .search-box,
.frosted-bg .form-control {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 毛玻璃背景下的分类标签优化 */
.frosted-bg .nav-tabs .nav-link {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 1px 3px rgba(0, 0, 0, 0.1);
}

.frosted-bg .nav-tabs .nav-link.active {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.3) 100%);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 2px 6px rgba(0, 0, 0, 0.15);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .frosted-bg::before {
        background-size: 15px 15px, 15px 15px, 3px 3px, 3px 3px;
        opacity: 0.6;
    }
    
    .frosted-bg::after {
        opacity: 0.4;
    }
}

/* 低性能设备优化 */
@media (max-resolution: 150dpi) {
    .frosted-bg::before {
        background-size: 10px 10px, 10px 10px, 2px 2px, 2px 2px;
        opacity: 0.4;
    }
    
    .frosted-bg::after {
        background: 
            radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
        opacity: 0.3;
    }
}

/* 性能模式下的毛玻璃背景优化 */
@media (prefers-reduced-motion: reduce) {
    .frosted-bg::before,
    .frosted-bg::after {
        opacity: 0.5;
    }
}

/* 毛玻璃背景的渲染优化 */
.frosted-bg {
    isolation: isolate;
}

.frosted-bg::before,
.frosted-bg::after {
    will-change: auto;
    contain: strict;
}