/* Windows 98 Retro Skin */
.bgm-retro {
    /* Windows 98 전용 색상 변수 */
    --retro-window-bg: #c0c0c0;
    --retro-border-light: #dfdfdf;
    --retro-border-dark: #808080;
    --retro-border-darkest: #404040;

    --retro-titlebar-start: #000080;
    --retro-titlebar-end: #1084d0;
    --retro-titlebar-text: #ffffff;

    --retro-text: #000000;
    --retro-text-disabled: #808080;

    --retro-button-bg: #c0c0c0;
    --retro-button-border-light: #ffffff;
    --retro-button-border-dark: #808080;

    --retro-input-bg: #ffffff;
    --retro-display-bg: #000000;
    --retro-display-text: #00ff00;

    --retro-selection-bg: #000080;
    --retro-selection-text: #ffffff;

    --retro-statusbar-bg: #d4d0c8;

    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 280px;
    background: var(--retro-window-bg);
    border: 2px solid;
    border-color: var(--retro-border-light) var(--retro-border-dark) var(--retro-border-dark) var(--retro-border-light);
    box-shadow: 1px 1px 0 #000;
    padding: 0;
    z-index: 9999;
    font-family: 'MS Sans Serif', 'Segoe UI', Tahoma, sans-serif;
    font-size: 11px;
    transition: all var(--transition-base);
    transform: translateY(100px);
    opacity: 0;
    overflow: hidden;
}

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

/* 최소화 */
.bgm-retro.minimized {
    width: 160px;
    height: 24px;
    padding: 0;
    cursor: pointer;
}

.bgm-retro.minimized .player-content > *:not(.win-titlebar) { display: none; }
.bgm-retro.minimized .minimized-overlay { display: block; }
.bgm-retro.minimized .win-titlebar { border-bottom: none; }

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

/* 타이틀바 */
.win-titlebar {
    background: linear-gradient(90deg, var(--retro-titlebar-start) 0%, var(--retro-titlebar-end) 100%);
    padding: 2px 3px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 20px;
}

.win-title {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--retro-titlebar-text);
    font-weight: bold;
    font-size: 11px;
    text-shadow: 1px 1px 0 #000;
}

.win-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

.win-buttons {
    display: flex;
    gap: 2px;
}

.win-btn {
    width: 16px;
    height: 14px;
    background: var(--retro-button-bg);
    border: 1px solid;
    border-color: var(--retro-button-border-light) var(--retro-button-border-dark) var(--retro-button-border-dark) var(--retro-button-border-light);
    font-size: 9px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: inherit;
    color: var(--retro-text);
}

.win-btn:active {
    border-color: var(--retro-button-border-dark) var(--retro-button-border-light) var(--retro-button-border-light) var(--retro-button-border-dark);
}

.win-btn:disabled {
    color: var(--retro-text-disabled);
    text-shadow: 1px 1px 0 #fff;
}

/* 메뉴바 */
.win-menubar {
    background: var(--retro-window-bg);
    padding: 2px 4px;
    border-bottom: 1px solid var(--retro-border-dark);
    display: flex;
    gap: 2px;
}

.menu-item {
    padding: 2px 6px;
    cursor: pointer;
    color: var(--retro-text);
}

.menu-item:hover {
    background: var(--retro-selection-bg);
    color: var(--retro-selection-text);
}

/* 컨텐츠 영역 */
.win-content {
    padding: 8px;
    background: var(--retro-window-bg);
}

/* 디스플레이 */
.win-display {
    background: var(--retro-display-bg);
    border: 2px solid;
    border-color: var(--retro-border-dark) var(--retro-border-light) var(--retro-border-light) var(--retro-border-dark);
    margin-bottom: 8px;
}

.display-inner {
    background: var(--retro-display-bg);
    padding: 8px;
    min-height: 24px;
}

.track-title {
    color: var(--retro-display-text);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 0 5px var(--retro-display-text);
}

/* 컨트롤 버튼 */
.win-controls-row {
    display: flex;
    gap: 4px;
    margin-bottom: 6px;
    justify-content: center;
}

.win-control-btn {
    min-width: 36px;
    height: 24px;
    background: var(--retro-button-bg);
    border: 2px solid;
    border-color: var(--retro-button-border-light) var(--retro-button-border-dark) var(--retro-button-border-dark) var(--retro-button-border-light);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    font-family: inherit;
    color: var(--retro-text);
}

.win-control-btn:hover {
    background: #d4d4d4;
}

.win-control-btn:active {
    border-color: var(--retro-button-border-dark) var(--retro-button-border-light) var(--retro-button-border-light) var(--retro-button-border-dark);
    padding: 1px 5px 0 7px;
}

.win-control-btn:disabled {
    color: var(--retro-text-disabled);
    text-shadow: 1px 1px 0 #fff;
    cursor: not-allowed;
}

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

.win-control-btn.mode-btn {
    opacity: 0.6;
}

.win-control-btn.mode-btn.active {
    opacity: 1;
    background: #a0a0a0;
    border-color: var(--retro-button-border-dark) var(--retro-button-border-light) var(--retro-button-border-light) var(--retro-button-border-dark);
}

.btn-icon {
    font-size: 10px;
    line-height: 1;
}

.repeat-one-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    font-size: 8px;
    font-weight: bold;
    color: var(--retro-titlebar-start);
}

/* 볼륨 */
.win-volume {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    background: var(--retro-window-bg);
    border: 1px solid;
    border-color: var(--retro-border-dark) var(--retro-border-light) var(--retro-border-light) var(--retro-border-dark);
}

.vol-label {
    font-size: 11px;
    color: var(--retro-text);
}

.win-slider {
    flex: 1;
    height: 16px;
    -webkit-appearance: none;
    background: transparent;
    cursor: pointer;
}

.win-slider::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--retro-input-bg);
    border: 1px solid;
    border-color: var(--retro-border-dark) var(--retro-border-light) var(--retro-border-light) var(--retro-border-dark);
}

.win-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 16px;
    background: var(--retro-button-bg);
    border: 1px solid;
    border-color: var(--retro-button-border-light) var(--retro-button-border-dark) var(--retro-button-border-dark) var(--retro-button-border-light);
    margin-top: -6px;
    cursor: pointer;
}

.vol-value {
    font-size: 11px;
    color: var(--retro-text);
    min-width: 32px;
    text-align: right;
}

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

/* 상태바 */
.win-statusbar {
    display: flex;
    background: var(--retro-statusbar-bg);
    border-top: 1px solid var(--retro-border-dark);
    padding: 2px;
    gap: 2px;
}

.status-section {
    flex: 1;
    padding: 2px 4px;
    background: var(--retro-statusbar-bg);
    border: 1px solid;
    border-color: var(--retro-border-dark) var(--retro-border-light) var(--retro-border-light) var(--retro-border-dark);
    font-size: 10px;
    color: var(--retro-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 플레이리스트 */
.playlist-container {
    max-height: 100px;
    overflow-y: auto;
    background: var(--retro-input-bg);
    border: 2px solid;
    border-color: var(--retro-border-dark) var(--retro-border-light) var(--retro-border-light) var(--retro-border-dark);
    margin: 0 8px 8px;
}

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

.playlist li {
    padding: 2px 4px;
    color: var(--retro-text);
    font-size: 11px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.playlist li:hover {
    background: var(--retro-selection-bg);
    color: var(--retro-selection-text);
}

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

.playlist-container::-webkit-scrollbar { width: 16px; }
.playlist-container::-webkit-scrollbar-track {
    background: var(--retro-window-bg);
    border: 1px solid var(--retro-border-dark);
}
.playlist-container::-webkit-scrollbar-thumb {
    background: var(--retro-button-bg);
    border: 2px solid;
    border-color: var(--retro-button-border-light) var(--retro-button-border-dark) var(--retro-button-border-dark) var(--retro-button-border-light);
}
.playlist-container::-webkit-scrollbar-button {
    height: 16px;
    background: var(--retro-button-bg);
    border: 2px solid;
    border-color: var(--retro-button-border-light) var(--retro-button-border-dark) var(--retro-button-border-dark) var(--retro-button-border-light);
}