/* ===================================
   自定义音频播放器样式
   匹配深色玻璃拟态主题
=================================== */

/* 隐藏原生audio控件 */
#audio-player {
    display: none;
}

/* 自定义播放器容器 */
.custom-player {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

/* === 进度条区域 === */
.progress-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.time-current,
.time-total {
    font-size: 0.75rem;
    color: var(--color-text-soft);
    min-width: 36px;
    font-variant-numeric: tabular-nums;
}

.time-current {
    text-align: right;
}

.time-total {
    text-align: left;
}

/* 进度条轨道 */
.progress-bar-track {
    flex: 1;
    height: 6px;
    background: var(--color-bg-item);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    transition: height 0.15s ease;
}

.progress-bar-track:hover {
    height: 8px;
}


/* 缓冲进度条 */
.progress-bar-buffer {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* 进度条填充 */
.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
    position: relative;
    transition: width 0.1s linear;
}

/* 进度条拖动点 */
.progress-bar-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 14px;
    height: 14px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.15s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    cursor: grab;
}

.progress-bar-track:hover .progress-bar-thumb,
.progress-bar-thumb.dragging {
    opacity: 1;
}

.progress-bar-thumb.dragging {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.2);
}

/* === 主控制按钮区域 === */
.main-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* 播放按钮特殊样式 */
.control-btn.play-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), #6366f1);
    border-color: transparent;
    color: white;
}

.control-btn.play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.control-btn.play-btn i {
    font-size: 1.25rem;
}

/* === 音量控制区域 === */
.volume-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.volume-btn {
    width: 32px;
    height: 32px;
}

.volume-btn i {
    font-size: 0.9rem;
}

/* 音量滑块轨道 */
.volume-slider-track {
    width: 80px;
    height: 4px;
    background: var(--color-bg-item);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    transition: height 0.15s ease;
}

.volume-slider-track:hover {
    height: 6px;
}

/* 音量滑块填充 */
.volume-slider-fill {
    height: 100%;
    width: 100%;
    background: var(--color-text-soft);
    border-radius: 2px;
    transition: width 0.1s linear;
}

/* === 响应式调整 === */
@media (max-width: 767px) {
    .volume-wrapper {
        display: none;
    }

    .main-controls {
        gap: 0.375rem;
    }

    .control-btn.play-btn {
        width: 44px;
        height: 44px;
    }

    .time-current,
    .time-total {
        font-size: 0.7rem;
        min-width: 32px;
    }
}

/* === 拖拽排序样式 === */
#playlist-items li {
    transition: transform 0.2s ease, background-color 0.2s ease;
    cursor: grab;
    /* 提示可拖拽 */
}

#playlist-items li.dragging {
    opacity: 0.5;
    background: rgba(255, 255, 255, 0.1);
    border: 1px dashed rgba(255, 255, 255, 0.3);
    cursor: grabbing;
}

#playlist-items li.drag-over {
    border-top: 2px solid var(--color-primary);
    /* 指示插入位置 */
    transform: translateY(2px);
    /* 视觉上的挤压效果 */
}

/* === 音频加载状态覆盖层 === */
.audio-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    z-index: 100;
    border-radius: inherit;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--color-text-soft);
    font-size: 0.875rem;
    text-align: center;
}