/* ============================================================
   Music UI 独立样式表
   ============================================================ */

:root {
    --music-bar-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --music-text-main: #fff;
    --music-text-sub: rgba(255, 255, 255, 0.6);
    --player-accent: #44b7fe; /* 专属蓝色主题 */
}

/* --- 基础动画 --- */
@keyframes musicBarSlideIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes musicBarFadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(8px); }
}

@keyframes musicBarTitleMarquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* React 聊天 composer 内挂载点：允许在 grid 内收缩，避免播放器视觉上宽过聊天区域 */
#music-player-mount {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* --- 音乐条主容器 (.music-player-bar) --- */
.music-player-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    margin: 0 auto 8px auto;
    width: 75%;
    background: var(--music-bar-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    box-sizing: border-box;
    flex-shrink: 0;
    position: relative;
    animation: musicBarSlideIn 0.3s ease;
}

/* 挂载在 React 聊天窗口 composer-panel 内的专用挂载点时，宽度擑满 */
#music-player-mount > .music-player-bar {
    width: 100%;
    margin: 0;
    border-radius: 12px 12px 0 0;
}

/* 紧凑聊天独立挂载点必须压过上方 ID 通用宽度，避免播放器撑成整屏。 */
#music-player-mount.compact-music-player-mount {
    --compact-music-player-surface-width: var(--compact-surface-resize-width, var(--desktop-compact-surface-width, var(--compact-surface-width, 430px)));
    width: min(calc(var(--compact-music-player-surface-width) - 16px), 360px, calc(100vw - 24px));
    max-width: min(calc(var(--compact-music-player-surface-width) - 16px), calc(100vw - 24px));
    min-width: 0;
    box-sizing: border-box;
}

#music-player-mount.compact-music-player-mount > .music-player-bar {
    flex: 0 1 auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    max-inline-size: 100%;
    box-sizing: border-box;
}

#music-player-mount.compact-music-player-mount .music-bar-info,
#music-player-mount.compact-music-player-mount .music-bar-title-wrap,
#music-player-mount.compact-music-player-mount .music-bar-artist,
#music-player-mount.compact-music-player-mount .music-bar-time,
#music-player-mount.compact-music-player-mount .music-bar-progress-container {
    min-width: 0;
    max-width: 100%;
}

#music-player-mount.compact-music-player-mount .music-bar-info {
    flex: 1 1 0;
}

#music-player-mount.compact-music-player-mount .music-bar-cover {
    flex: 0 0 32px;
    min-width: 32px;
}

#music-player-mount.compact-music-player-mount .music-bar-play,
#music-player-mount.compact-music-player-mount .music-bar-volume-btn {
    flex: 0 0 28px;
    min-width: 28px;
}

#music-player-mount.compact-music-player-mount .music-bar-volume-container {
    flex: 0 0 28px;
    min-width: 28px;
}

#music-player-mount.compact-music-player-mount .music-bar-close {
    flex: 0 0 22px;
    min-width: 22px;
}

.music-player-bar.fading-out {
    animation: musicBarFadeOut 0.2s ease forwards;
}

/* --- 内部组件：封面、信息与按钮 --- */
.music-bar-cover {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dynamic-random-color), var(--dynamic-primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.96);
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.music-bar-equalizer {
    height: 17px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
}

.music-bar-equalizer-bar {
    width: 3px;
    height: 8px;
    border-radius: 999px;
    background: currentColor;
    transform-origin: center bottom;
}

.music-bar-equalizer-bar:nth-child(2) {
    height: 16px;
}

.music-bar-equalizer-bar:nth-child(3) {
    height: 11px;
}

.music-player-bar.is-playing .music-bar-equalizer-bar,
.music-player-bar.is-loading .music-bar-equalizer-bar {
    animation: musicBarEqualizer 0.78s ease-in-out infinite alternate;
}

.music-player-bar.is-playing .music-bar-equalizer-bar:nth-child(2),
.music-player-bar.is-loading .music-bar-equalizer-bar:nth-child(2) {
    animation-delay: -0.31s;
}

.music-player-bar.is-playing .music-bar-equalizer-bar:nth-child(3),
.music-player-bar.is-loading .music-bar-equalizer-bar:nth-child(3) {
    animation-delay: -0.53s;
}

.music-player-bar.is-loading .music-bar-equalizer-bar {
    animation-duration: 1.05s;
    opacity: 0.72;
}

.music-player-bar.is-error .music-bar-equalizer-bar {
    opacity: 0.42;
}

@keyframes musicBarEqualizer {
    from { transform: scaleY(0.38); }
    to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
    .music-player-bar .music-bar-equalizer-bar {
        animation: none !important;
    }
}

.music-bar-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* 标题区：默认省略；超长时由 JS 加 .is-marquee 双段无缝滚动 */
.music-bar-title-wrap {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    margin-bottom: 2px;
}

.music-bar-title-track {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    white-space: nowrap;
    will-change: transform;
}

.music-bar-title-seg {
    color: var(--music-text-main);
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.music-bar-title-wrap:not(.is-marquee) .music-bar-title-track {
    display: block;
    max-width: 100%;
}

.music-bar-title-wrap:not(.is-marquee) .music-bar-title-seg-primary {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-bar-title-wrap:not(.is-marquee) .music-bar-title-seg-dup {
    display: none !important;
}

.music-bar-title-wrap.is-marquee .music-bar-title-track {
    animation: musicBarTitleMarquee var(--marquee-duration, 12s) linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    .music-bar-title-wrap.is-marquee .music-bar-title-track {
        animation: none;
    }
    .music-bar-title-wrap.is-marquee .music-bar-title-seg-dup {
        display: none !important;
    }
    .music-bar-title-wrap.is-marquee .music-bar-title-seg-primary {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* --- 进度条系统 --- */
.music-bar-progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin: 4px 0;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.music-bar-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--dynamic-primary-color), var(--dynamic-secondary-color));
    border-radius: 2px;
    transition: width 0.1s linear;
}

.music-bar-time {
    color: var(--music-text-sub);
    font-size: 10px;
    font-family: monospace;
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 1px;
}

.music-bar-artist {
    color: var(--music-text-sub);
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.music-bar-play {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    color: white;
    background: linear-gradient(135deg, var(--dynamic-primary-color), var(--dynamic-secondary-color));
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(102,126,234,0.4);
    transition: transform 0.2s;
}

.music-bar-play:hover { transform: scale(1.1); }
.music-bar-play:active { transform: scale(0.95); }

.music-bar-close {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
    transition: all 0.2s;
}

.music-bar-close:hover {
    color: var(--music-text-main);
    background: rgba(255,255,255,0.2);
}

/* --- 音量控制系统 --- */
.music-bar-volume-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.music-bar-volume-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s;
}

.music-bar-volume-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.music-bar-volume-slider-wrapper {
    position: absolute;
    bottom: 45px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 32px;
    height: 100px;
    background: rgba(30, 30, 45, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 12px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.music-bar-volume-container.expanded .music-bar-volume-slider-wrapper {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.music-bar-volume-slider {
    width: 4px;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.music-bar-volume-slider-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--dynamic-primary-color), var(--dynamic-secondary-color));
    border-radius: 2px;
}

.music-bar-volume-slider-handle {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform: translate(-50%, 50%);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* --- APlayer 深度定制 (毛玻璃与 UI 微调) --- */
.music-player-bar .aplayer {
    border-radius: 12px !important;
    background: rgba(55, 53, 53, 0.65) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px rgba(70, 64, 64, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: inherit !important;
    margin-bottom: 5px;
    height: 158px !important;
    overflow: hidden;
}

/* 浅色模式适配 */
[data-theme="light"] .music-player-bar .aplayer,
.music-player-bar .aplayer-theme-light .aplayer {
    background: rgba(255, 255, 255, 0.75) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.music-player-bar .aplayer .aplayer-pic {
    border-radius: 8px;
    margin: 6px;
    height: calc(100% - 12px) !important;
    width: 60px !important;
}

.music-player-bar .aplayer .aplayer-info .aplayer-controller .aplayer-bar-wrap .aplayer-bar .aplayer-played {
    background: var(--player-accent) !important;
}

.music-player-bar .aplayer .aplayer-info .aplayer-controller .aplayer-bar-wrap .aplayer-bar .aplayer-played .aplayer-thumb {
    background: var(--player-accent) !important;
    box-shadow: 0 0 6px rgba(68, 183, 254, 0.8) !important;
}

.music-player-bar .aplayer-notice { display: none !important; }