/* CD Case Skin - Transparent Plastic Look */
.bgm-cd {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 300px;
    background: linear-gradient(180deg, rgb(from var(--container-bg-color) r g b / 70%) 0%, rgb(from var(--container-bg-color) r g b / 40%) 30%, rgb(from var(--container-bg-color) r g b / 70%) 100%);
    border: 1px solid rgb(from var(--container-border-color));
    border-radius: 4px;
    padding: 0;
    box-shadow: var(--shadow-md);
    z-index: 9999;
    font-family: var(--f-pre);
    transition: all var(--transition-base);
    transform: translateY(100px);
    opacity: 0;
    overflow: hidden;
}

.bgm-cd.show {
    transform: translateY(0);
    opacity: 1;
}

/* 최소화 */
.bgm-cd.minimized {
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, rgb(from var(--card-bg-color) r g b / 30%) 0%, rgb(from var(--card-bg-color) r g b / 80%) 100%);
}

.bgm-cd.minimized:hover {
    transform: scale(1.05);
}

.bgm-cd.minimized .player-content { display: none; }
.bgm-cd.minimized .minimized-overlay { display: block; }

.bgm-cd.minimized::before {
    content: '\f51f';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--content-font-color);
}

.minimized-overlay {
    position: absolute;
    inset: 0;
    display: none;
}

/* 라벨 태그 */
.cd-label-tag {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: linear-gradient(90deg, rgb(from var(--card-bg-color) r g b / 30%) 0%, rgb(from var(--card-bg-color) r g b / 80%) 100%);
    border: 1px solid var(--card-bg-color);
    padding: 4px 10px;
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--content-font-color);
    border-radius: 2px;
}

.minimize-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--content-font-color);
    font-size: 12px;
    cursor: pointer;
    padding: 4px;
}

.minimize-btn:hover {
    color: var(--gray-600);
}

/* 메인 영역 */
.cd-main {
    display: flex;
    gap: var(--spacing-md);
    padding: 40px var(--spacing-md) var(--spacing-md);
}

/* 썸네일 */
.cd-thumbnail-wrap {
    width: 70px;
    height: 70px;
    background: rgba(230, 230, 235, 0.5);
    border: 1px solid rgba(200, 200, 210, 0.3);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cd-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 트랙 정보 */
.cd-track-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.track-title {
    color: var(--content-font-color);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}

.track-artist {
    color: var(--gray-700);
    font-size: 11px;
    letter-spacing: 0.5px;
}

/* 컨트롤 */
.cd-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid rgb(from var(--container-border-color));
    background: linear-gradient(90deg, rgb(from var(--card-bg-color) r g b / 30%) 0%, rgb(from var(--card-bg-color) r g b / 80%) 100%);
}

.cd-controls-left,
.cd-controls-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.control-btn {
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-size: 14px;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.control-btn:hover:not(:disabled) {
    color: var(--gray-900);
}

.control-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.control-btn.play-pause {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn.play-pause:hover {
    background: var(--gray-700);
    transform: scale(1.05);
}

.control-btn.mode-btn {
    font-size: 12px;
    opacity: 0.4;
    position: relative;
}
.control-btn.mode-btn:hover { opacity: 0.7; }
.control-btn.mode-btn.active {
    opacity: 1;
    color: var(--accent-color);
}

.repeat-one-badge {
    position: absolute;
    top: -2px;
    right: -4px;
    font-size: 8px;
    font-weight: 700;
    color: var(--accent-color);
}

.list-toggle-btn {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 12px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.list-toggle-btn:hover { color: var(--secondary-color); }
.list-toggle-btn.active { color: var(--accent-color); }

/* 볼륨 */
.cd-volume {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.vol-label {
    font-size: 9px;
    color: var(--gray-400);
    letter-spacing: 1px;
}

.volume-bar-wrap {
    flex: 1;
}

.volume-slider {
    width: 100%;
    height: 4px;
    background: rgba(200, 200, 210, 0.5);
    border-radius: 2px;
    -webkit-appearance: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--gray-700);
    border-radius: 50%;
    cursor: pointer;
}

.volume-popup { display: none !important; }

/* 플레이리스트 */
.playlist-container {
    max-height: 100px;
    overflow-y: auto;
    background: linear-gradient(180deg, rgb(from var(--container-bg-color) r g b / 30%) 0%, rgb(from var(--container-bg-color) r g b / 80%) 100%);
    border-top: 1px solid var(--container-border-color);
}

.playlist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.playlist li {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-500);
    font-size: 11px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-bottom: 1px solid rgba(200, 200, 210, 0.2);
}

.playlist li:last-child { border-bottom: none; }

.playlist li:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--gray-700);
}

.playlist li.current {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.playlist-container::-webkit-scrollbar { width: 3px; }
.playlist-container::-webkit-scrollbar-track { background: transparent; }
.playlist-container::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 2px; }