/**
 * 资源加载指示器样式
 * 融入顶部导航栏,不影响用户交互
 * 层级:背景框层(导航栏底框层上部)
 */

#resource-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 6vh;
    min-height: 60px;
    z-index: 999;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--bg-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    gap: 16px;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.loader-content {
    flex: 1;
    max-width: 600px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.loader-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.loader-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.loader-text {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.loader-percentage {
    font-size: 14px;
    font-weight: 600;
    color: var(--link-color);
    font-family: 'Arial', sans-serif;
}

.loader-bar {
    width: 100%;
    height: 3px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.loader-progress {
    height: 100%;
    background: linear-gradient(90deg, 
        var(--link-color) 0%, 
        var(--link-hover-color) 50%,
        var(--link-color) 100%);
    background-size: 200% 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
    width: 0%;
    animation: shimmer 2s infinite linear;
    box-shadow: 0 0 4px var(--link-color);
}

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

.loader-detail {
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.8;
}

/* 夜间模式适配 */
[data-theme="dark"] #resource-loader {
    background: var(--bg-primary);
    border-bottom-color: var(--bg-border);
}

[data-theme="dark"] .loader-bar {
    background: var(--bg-secondary);
}

[data-theme="dark"] .loader-text {
    color: var(--text-primary);
}

[data-theme="dark"] .loader-detail {
    color: var(--text-secondary);
}

[data-theme="dark"] .loader-percentage {
    color: var(--link-color);
}

/* 加载完成淡出效果 */
#resource-loader.complete {
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
}

/* 响应式适配 */
@media (max-width: 768px) {
    #resource-loader {
        height: auto;
        min-height: 50px;
        padding: 8px 16px;
        gap: 12px;
    }
    
    .loader-content {
        gap: 12px;
    }
    
    .loader-text {
        font-size: 12px;
    }
    
    .loader-percentage {
        font-size: 13px;
    }
    
    .loader-detail {
        font-size: 10px;
    }
}