/* Lyrics Sidebar */
.lyrics-panel {
    position: fixed;
    top: 56px;
    right: 0;
    width: 380px;
    height: calc(100vh - 56px - 72px);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 150;
    transition: transform 0.3s ease;
}

.lyrics-panel.hidden {
    transform: translateX(100%);
}

.lyrics-tab {
    position: absolute;
    left: -28px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 56px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 6px 0 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 18px;
    transition: all 0.2s;
    user-select: none;
}
.lyrics-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.lyrics-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.lyrics-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lyrics-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    flex-shrink: 0;
    display: none;
}

.lyrics-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    scroll-behavior: smooth;
}

.lyric-line {
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.6;
    text-align: center;
}
.lyric-line:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.lyric-line.active {
    color: var(--accent);
    font-size: 16px;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
}

.lyrics-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
    font-size: 14px;
}