.music-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f5f5f5;
    padding: 10px 20px;
    border-bottom: 1px solid #ccc;
    overflow-x: auto;
    white-space: nowrap;
}

.song-btn {
    background-color: #2a6ed1;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.song-btn:hover {
    background-color: #1d56aa;
}

#now-playing {
    margin-left: auto;
    font-weight: bold;
}

.music-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    background: #f5f5f5;
    padding: 10px 20px;
    border-bottom: 1px solid #ccc;
}

.song-btn,
#toggle-play {
    background-color: #2a6ed1;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.song-btn:hover,
#toggle-play:hover {
    background-color: #1d56aa;
}

#now-playing {
    display: flex;
    align-items: center;
    font-weight: bold;
    margin-left: auto;
    gap: 5px;
}

/* 애니메이션: 음표 흔들기 */
.note-animation {
    display: inline-block;
    animation: floatNote 1s infinite ease-in-out;
}

@keyframes floatNote {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* 다크모드 지원 */
body.dark-mode .music-bar {
    background: #333;
    color: #f0f0f0;
}

body.dark-mode .song-btn,
body.dark-mode #toggle-play {
    background-color: #444;
    color: #f0f0f0;
}

body.dark-mode .song-btn:hover,
body.dark-mode #toggle-play:hover {
    background-color: #555;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 20px;
    width: calc(100% - 40px);
}

#progress-bar {
    flex-grow: 1;
    appearance: none;
    height: 6px;
    background: #ccc;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

#progress-bar::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: #2a6ed1;
    border-radius: 50%;
    cursor: pointer;
}

body.dark-mode #progress-bar {
    background: #555;
}

body.dark-mode #progress-bar::-webkit-slider-thumb {
    background: #ccc;
}

/*반응형 추가*/
@media (max-width: 600px) {
    .music-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }

    .progress-container {
        flex-direction: column;
        align-items: stretch;
        margin: 10px;
        gap: 8px;
    }

    #now-playing {
        margin-left: 0;
        margin-top: 10px;
    }

    .song-btn,
    #toggle-play {
        width: 100%;
        font-size: 0.95rem;
    }
}

.collapse-btn {
    margin: 10px 20px;
    padding: 6px 12px;
    background-color: #2a6ed1;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.collapse-btn:hover {
    background-color: #1d56aa;
}

body.dark-mode .collapse-btn {
    background-color: #444;
    color: #f0f0f0;
}

body.dark-mode .collapse-btn:hover {
    background-color: #555;
}

/* 접힌 상태를 위한 클래스 */
#music-bar.collapsed {
    display: none;
}