/* ===== 音樂提示樣式 ===== */
.nav-controls {
    position: relative; /* 確保提示可以相對於這個容器定位 */
}

.music-prompt {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
    white-space: nowrap;
}

.music-prompt-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    box-shadow: 0 2px 4px var(--shadow);
    font-size: 0.85rem;
    color: var(--morandi-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.music-prompt::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.95);
    transform: rotate(45deg);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: -1px -1px 1px var(--shadow);
}

.play-music-btn {
    background: var(--morandi-pink);
    color: white;
    border: none;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.play-music-btn:hover {
    background: var(--morandi-rose);
    transform: scale(1.05);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 不支援 backdrop-filter 的 fallback */
@supports not (backdrop-filter: blur(5px)) {
    .music-prompt-content,
    .music-prompt::before {
        background: rgba(255, 255, 255, 0.98);
    }
}