/**
 * g-page-v2 ジュークボックス用 CSS
 *
 * 旧 g-page の _page-music-box.scss を CSS化。
 * - SCSS変数はリテラル値に解決
 * - flipbook overlay 用の position:fixed は削除し、ページ内コンテンツとして配置
 */

.music-box-page {
    max-width: 980px;
    margin: 0 auto;
    padding: 16px;
    color: var(--gpv2-text, #222);
}

.music-box-page .page-header {
    margin: 0 0 16px;
}

.music-box-page .page-title {
    font-size: 1.6rem;
    margin: 0 0 8px;
}

.music-box-page .page-lead {
    font-size: 0.95rem;
    color: var(--gpv2-text-muted, #555);
    margin: 0;
}

/* ========================================
 *  Jukebox スコープ
 * ======================================== */
.page-music-box {
    background: linear-gradient(135deg, #0d0d1a 0%, #1a0f2e 100%);
    border-radius: 16px;
    padding: 24px;
    overflow: hidden;
}

.page-music-box h2,
.page-music-box h3,
.page-music-box p,
.page-music-box span,
.page-music-box div,
.page-music-box li {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

.page-music-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-music-box button {
    background: none;
    border: none;
    outline: none;
    box-shadow: none;
    appearance: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
    color: inherit;
    font-family: inherit;
    border-radius: 0;
    text-transform: none;
    letter-spacing: normal;
}

.page-music-box button:focus {
    outline: none;
}

/* Jukebox container */
.page-music-box .jukebox-container {
    position: relative;
    z-index: 10;
    display: flex;
    width: 100%;
    max-width: 900px;
    height: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

@media (max-width: 900px) {
    .page-music-box .jukebox-container {
        flex-direction: column;
        height: auto;
        border-radius: 12px;
    }
}

/* ----------------------------------------
 *  Left: Visualizer & Info & Lyrics
 * ---------------------------------------- */
.page-music-box .player-display {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    position: relative;
    min-height: 450px;
}

@media (max-width: 900px) {
    .page-music-box .player-display {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 1.5rem;
        min-height: auto;
        height: 380px;
    }
}

.page-music-box .visualizer-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    margin-bottom: 1.5rem;
}

.page-music-box .visualizer-wrapper canvas {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.page-music-box .center-disk {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: #222;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid #00d4ff;
    z-index: 2;
}

.page-music-box .center-disk i {
    font-size: 1.5rem;
    color: #00d4ff;
}

.page-music-box .track-info {
    text-align: center;
    width: 100%;
    margin-bottom: 1rem;
}

.page-music-box .track-info h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    line-height: 1.2;
}

.page-music-box .track-info p {
    color: #aaa;
    font-size: 0.9rem;
}

/* Lyrics */
.page-music-box .lyrics-container {
    width: 100%;
    height: 120px;
    overflow-y: hidden;
    position: relative;
    text-align: center;
    margin-top: auto;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.page-music-box .lyric-line {
    padding: 6px 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0.3;
    transform: scale(0.95);
    font-size: 0.9rem;
    color: #fff;
    line-height: 1.4;
    cursor: default;
    white-space: pre-wrap;
}

.page-music-box .lyric-group.active .lyric-line {
    opacity: 1;
    transform: scale(1.1);
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
    font-weight: bold;
}

/* ----------------------------------------
 *  Right: Interface
 * ---------------------------------------- */
.page-music-box .player-interface {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.2);
    justify-content: flex-start;
}

@media (max-width: 900px) {
    .page-music-box .player-interface {
        padding: 1.5rem;
        min-height: 60vh;
    }
}

/* Progress Bar */
.page-music-box .progress-container {
    width: 100%;
    margin-bottom: 2rem;
    cursor: pointer;
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    height: 6px;
}

.page-music-box .progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #ff0055);
    border-radius: 3px;
    transition: width 0.1s linear;
}

.page-music-box .time-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 8px;
    font-variant-numeric: tabular-nums;
}

/* Control Buttons */
.page-music-box .controls {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 2rem;
    background: transparent;
}

.page-music-box .control-btn {
    display: inline-flex;
    width: auto;
    max-width: none;
    flex: 0 0 auto;
    background: transparent;
    border: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    transition: transform 0.2s, color 0.2s;
}

.page-music-box .control-btn:hover {
    color: #00d4ff;
    transform: scale(1.1);
}

.page-music-box .control-btn.main-play {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #00d4ff;
    color: #000;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.page-music-box .control-btn.main-play:hover {
    background: #33dcff;
    color: #000;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
}

.page-music-box .volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #aaa;
}

.page-music-box .volume-control i {
    margin: 0;
}

.page-music-box .volume-control input[type="range"] {
    width: 70px;
    display: inline-block;
    margin: 0;
    background-color: transparent;
}

/* Playlist */
.page-music-box .playlist-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 200px;
}

.page-music-box .playlist-wrapper h3 {
    margin-bottom: 1rem;
    color: #aaa;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 600;
}

.page-music-box .playlist {
    flex: 1;
    overflow-y: auto;
    padding-right: 5px;
    -webkit-overflow-scrolling: touch;
}

.page-music-box .playlist::-webkit-scrollbar {
    width: 4px;
}

.page-music-box .playlist::-webkit-scrollbar-track {
    background: transparent;
}

.page-music-box .playlist::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.page-music-box .playlist li {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 6px;
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-music-box .playlist li:hover {
    background: rgba(255, 255, 255, 0.1);
}

.page-music-box .playlist li.active {
    background: rgba(0, 212, 255, 0.15);
    border-left: 3px solid #00d4ff;
}

.page-music-box .playlist li.active .song-info .song-title {
    color: #00d4ff;
    font-weight: bold;
}

.page-music-box .playlist li.active .playing-indicator {
    color: #00d4ff;
    opacity: 1;
    animation: gpv2-eq-pulse 1.2s infinite alternate;
}

.page-music-box .song-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.page-music-box .song-info .song-title {
    font-size: 0.95rem;
    color: #fff;
}

.page-music-box .song-info .song-artist {
    font-size: 0.75rem;
    color: #aaa;
}

.page-music-box .playing-indicator {
    font-size: 0.8rem;
    color: #fff;
    opacity: 0.1;
}

@keyframes gpv2-eq-pulse {
    0%   { transform: scale(0.9); opacity: 0.7; }
    100% { transform: scale(1.1); opacity: 1;   }
}