/* ============================================================
   css/panels/panels-nest-bgm.css — 小窝 BGM 留声机 + 迷你浮窗
   设计: 韩系法式 — 暖米纸底/深色黑胶/金色标贴/唱臂动效
   ============================================================ */

/* ===== 留声机面板 ===== */
#bgm-overlay {
    position: fixed; inset: 0; z-index: 1600;
    max-width: 480px; margin: 0 auto;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(201,168,168,0.08), transparent 55%),
        radial-gradient(ellipse at 90% 100%, rgba(196,168,106,0.06), transparent 50%),
        var(--bg-primary, #F8F4EF);
    overflow-y: auto;
    padding: 0 18px calc(28px + env(safe-area-inset-bottom, 0px));
    animation: bgmPanelIn 0.22s cubic-bezier(0.22, 0.61, 0.36, 1);
}
@keyframes bgmPanelIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: none; }
}

.bgm-head {
    display: flex; align-items: center; gap: 10px;
    padding: calc(14px + var(--safe-top)) 0 4px;
    position: sticky; top: 0; z-index: 3;
}
.bgm-back {
    background: none; border: none; cursor: pointer;
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
}
.bgm-back:active { transform: scale(0.92); }
.bgm-head-btn {
    background: none; border: 1px solid transparent;
    width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    transition: border-color 0.15s ease, color 0.15s ease;
}
.bgm-head-btn:hover { border-color: var(--accent-rose, #C9A8A8); color: var(--accent-rose, #C9A8A8); }
.bgm-head-btn:active { transform: scale(0.92); }
.bgm-head-titles { display: flex; align-items: baseline; gap: 8px; flex: 1; }
.bgm-head-actions { display: flex; align-items: center; gap: 2px; }
.bgm-title-en {
    font-family: var(--font-script);
    font-size: 24px; color: var(--accent-rose, #C9A8A8);
}
.bgm-title-zh { font-size: 13px; color: var(--text-secondary); letter-spacing: 0.14em; }

/* ===== 唱机 ===== */
.bgm-deck { position: relative; width: 250px; height: 244px; margin: 10px auto 0; }
.bgm-vinyl {
    position: absolute; left: 15px; top: 12px;
    width: 220px; height: 220px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #3A3430 0%, #241F1C 45%, #2E2926 100%);
    box-shadow: var(--shadow-md), inset 0 0 28px rgba(0, 0, 0, 0.5);
    animation: bgmspin 5s linear infinite;
    animation-play-state: paused;
}
.bgm-vinyl.spinning { animation-play-state: running; }
@keyframes bgmspin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.bgm-vinyl::before {
    content: ''; position: absolute; inset: 14px; border-radius: 50%;
    background: repeating-radial-gradient(circle at center, rgba(255,255,255,0.05) 0 1px, transparent 1px 4px);
}
.bgm-vinyl-label {
    position: absolute; inset: 0; margin: auto;
    width: 78px; height: 78px; border-radius: 50%;
    background: radial-gradient(circle, #E4D4B4 0%, var(--gold, #C4A86A) 92%);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 12px; box-sizing: border-box; overflow: hidden;
}
#bgm-vinyl-title {
    font-size: 10px; line-height: 1.35; color: #5A4A30;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bgm-spindle {
    position: absolute; inset: 0; margin: auto;
    width: 8px; height: 8px; border-radius: 50%;
    background: #1A1614; box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18);
}
/* 唱臂：播放时旋转搭上唱片（线与方头共享同一根竖直轴，避免错位断开） */
.bgm-tonearm {
    position: absolute; right: 2px; top: 0;
    width: 92px; height: 140px; pointer-events: none;
    transform-origin: 76px 16px;
    transform: rotate(-14deg);
    transition: transform 0.6s ease;
}
.bgm-tonearm.on { transform: rotate(8deg); }
.bgm-arm-pivot {
    position: absolute; right: 8px; top: 8px;
    width: 17px; height: 17px; border-radius: 50%;
    background: var(--gold, #C4A86A); box-shadow: var(--shadow-sm);
}
.bgm-arm-rod {
    position: absolute; left: 75px; top: 16px;
    width: 2px; height: 84px;
    background: linear-gradient(180deg, var(--gold, #C4A86A), var(--gold-dark, #A89050));
}
.bgm-arm-head {
    position: absolute; left: 71px; top: 96px;
    width: 10px; height: 18px; border-radius: 3px;
    background: var(--gold-dark, #A89050);
}

.bgm-now {
    text-align: center; margin-top: 10px;
    font-size: 13px; color: var(--text-secondary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    padding: 0 24px;
}

.bgm-controls {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
    margin: 12px 0 4px;
}
.bgm-ctl-mode { justify-self: start; }
.bgm-controls-center { display: flex; align-items: center; gap: 18px; }
.bgm-controls-spacer { width: 38px; }
.bgm-ctl {
    background: none; border: 1px solid var(--border);
    border-radius: 50%; width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.bgm-ctl:hover { border-color: var(--accent-rose, #C9A8A8); color: var(--accent-rose, #C9A8A8); }
.bgm-ctl:active { transform: scale(0.93); }
.bgm-ctl-main {
    width: 50px; height: 50px; border: none;
    background: var(--rose-dark, #A88080); color: #fff;
    box-shadow: var(--shadow-sm);
}
.bgm-ctl-main:hover { color: #fff; }

/* ===== 指定自动播放歌单下拉选择器（紧凑侧边行） ===== */
#bgm-autoplay-chips {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 0 10px; margin-top: 4px;
    border-bottom: 1px solid var(--gold-light);
    position: relative;
}
.bgm-ap-row { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.bgm-ap-label {
    font-size: 11px; color: var(--text-muted); letter-spacing: 0.08em; white-space: nowrap;
    flex-shrink: 0;
}
.bgm-autoplay-select-wrap { position: relative; flex: 1; min-width: 0; }
.bgm-autoplay-select {
    width: 100%; box-sizing: border-box; display: flex; align-items: center; justify-content: space-between;
    border: 1px solid var(--border); border-radius: 999px;
    padding: 6px 12px; cursor: pointer; min-width: 0;
    font-size: 12px; color: var(--text-primary);
    background: var(--input-bg);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.bgm-autoplay-select:hover { border-color: var(--accent-rose, #C9A8A8); }
.bgm-autoplay-select:active { transform: scale(0.97); }
.bgm-autoplay-selected { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bgm-autoplay-chevron { flex-shrink: 0; color: var(--text-muted); transition: transform 0.2s ease; margin-left: 6px; }
.bgm-autoplay-drop {
    position: absolute; z-index: 1700; top: 100%; left: 0; right: 0; margin-top: 4px;
    background: var(--surface); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border); border-radius: 12px;
    box-shadow: var(--shadow-md); padding: 6px;
    max-height: 220px; overflow-y: auto;
}
.bgm-autoplay-drop-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 9px 12px; border-radius: 8px; font-size: 13px;
    color: var(--text-primary); cursor: pointer;
    transition: background 0.12s ease;
}
.bgm-autoplay-drop-item:hover { background: var(--accent-rose-light, rgba(201,168,168,0.1)); }
.bgm-autoplay-drop-item:active { transform: scale(0.97); }
.bgm-autoplay-check { font-size: 14px; color: var(--accent-rose, #C9A8A8); font-weight: 600; }

/* ===== 歌单胶囊（共享曲库视图选择，只影响留声机本端） ===== */
#bgm-playlist-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.bgm-pl-chip {
    border: 1px solid var(--gold-light); background: transparent;
    border-radius: 999px; padding: 4px 12px;
    font-family: inherit; font-size: 12px; color: var(--text-secondary);
    cursor: pointer; transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.bgm-pl-chip.active {
    background: var(--accent-rose, #C9A8A8);
    border-color: var(--accent-rose, #C9A8A8); color: #fff;
}
.bgm-pl-chip:active { transform: scale(0.95); }

/* ===== 封面标贴（有封面显示专辑图，无则金色标贴） ===== */
.bgm-vinyl-label.has-cover { background-size: cover; background-position: center; }
.bgm-row-disc.has-cover { background-size: cover; background-position: center; box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.35); }
.bgmf-disc-label.has-cover { background-size: cover; background-position: center; width: 26px; height: 26px; }

/* ===== 唱片架 ===== */
.bgm-lib-head {
    display: flex; align-items: center; gap: 8px;
    margin: 18px 0 10px; padding-bottom: 10px;
    border-bottom: 1px solid var(--gold-light);
}
.bgm-lib-title { font-size: 14px; font-weight: 500; color: var(--text-primary); letter-spacing: 0.1em; }
.bgm-lib-en {
    font-family: var(--font-display); font-style: italic;
    font-size: 11px; color: var(--text-muted); flex: 1;
}
/* 唱片架右上角操作按钮：他的推荐 / 导入（统一胶囊风格） */
.bgm-import-btn,
.bgm-ai-picks-link {
    display: inline-flex; align-items: center; gap: 5px;
    border: 1px solid var(--border); background: transparent;
    border-radius: 999px; padding: 5px 12px;
    font-family: inherit; font-size: 12px; color: var(--text-secondary);
    cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
    flex-shrink: 0;
}
.bgm-import-btn:hover,
.bgm-ai-picks-link:hover { border-color: var(--accent-rose, #C9A8A8); color: var(--accent-rose, #C9A8A8); }
.bgm-import-btn:active,
.bgm-ai-picks-link:active { transform: scale(0.96); }
/* 他的推荐：玫瑰色微强调，区别于中性导入按钮 */
.bgm-ai-picks-link { color: var(--rose); border-color: var(--rose-light, rgba(201,168,168,0.18)); }
.bgm-ai-picks-link:hover { background: var(--rose-light, rgba(201,168,168,0.12)); color: var(--rose-hover, #BA9696); }

/* 歌单管理 */
.bgm-pl-manage {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    padding: 4px 0 10px;
    margin-bottom: 6px;
}
.bgm-pl-manage-label { font-size: 11px; color: var(--text-muted); margin-right: 4px; letter-spacing: 0.05em; }
.bgm-pl-add-btn {
    width: 22px; height: 22px; border-radius: 50%; border: 0.5px solid var(--divider);
    background: transparent; color: var(--text-muted); cursor: pointer;
    font-size: 13px; display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
}
.bgm-pl-add-btn:hover { border-color: var(--rose); color: var(--rose); background: var(--rose-light); }

.bgm-row {
    display: flex; align-items: center; gap: 11px;
    padding: 10px 10px; border-radius: 12px;
    background: var(--surface-solid);
    box-shadow: var(--shadow-xs);
    margin-bottom: 8px; position: relative;
    transition: box-shadow 0.2s ease;
}
.bgm-row.playing {
    box-shadow: var(--shadow-xs), var(--shadow-glow);
}
.bgm-row.playing::before {
    content: ''; position: absolute; left: 0; top: 12px; bottom: 12px;
    width: 3px; border-radius: 0 2px 2px 0;
    background: var(--accent-rose, #C9A8A8);
}
.bgm-row-disc {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
    background: radial-gradient(circle at 35% 30%, #3A3430, #241F1C 60%);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: transform 0.15s ease;
}
.bgm-row-disc:active { transform: scale(0.92); }
.bgm-row.missing .bgm-row-disc { opacity: 0.55; }
.bgm-row-disc-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: radial-gradient(circle, #E4D4B4, var(--gold, #C4A86A));
}
.bgm-row-info {
    flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px;
    cursor: pointer; padding: 2px 0;
}
.bgm-row-title {
    font-size: 13px; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.bgm-row-recommended {
    font-size: 9px; color: var(--rose); background: var(--rose-light, rgba(201,168,168,0.12));
    border: 0.5px solid var(--rose); border-radius: 8px; padding: 1px 6px;
    margin-left: 6px; vertical-align: 1px; letter-spacing: 0.03em; flex-shrink: 0;
}
.bgm-row.playing .bgm-row-title { color: var(--accent-rose, #C9A8A8); }
.bgm-row.missing .bgm-row-title { color: var(--text-secondary); }
.bgm-row-meta {
    font-size: 11px; color: var(--text-muted);
    display: flex; align-items: center; gap: 4px;
}
.bgm-row-btn {
    background: none; border: none; cursor: pointer; flex-shrink: 0;
    width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); transition: color 0.15s ease, background 0.15s ease;
}
.bgm-row-btn:hover { color: var(--accent-rose, #C9A8A8); background: var(--rose-light, rgba(201,168,168,0.1)); }
.bgm-row-btn:active { transform: scale(0.92); }
.bgm-row-del:hover { color: var(--danger); background: rgba(220,90,90,0.08); }
.bgm-rename-input {
    border: 1px solid var(--accent-rose, #C9A8A8); border-radius: 6px;
    padding: 3px 8px; font-family: inherit; font-size: 13px;
    background: var(--input-bg); color: var(--text-primary);
    outline: none; width: 100%; box-sizing: border-box;
}

.bgm-empty { text-align: center; padding: 28px 8px; }
.bgm-empty-en {
    font-family: var(--font-display); font-style: italic;
    font-size: 17px; color: var(--text-muted); opacity: 0.8;
}
.bgm-empty-zh { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ===== 全局迷你浮窗 ===== */
#bgm-float {
    position: fixed; z-index: 900;
    width: 56px; height: 56px;
    touch-action: none;
}
.bgmf-disc {
    width: 56px; height: 56px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #3A3430, #241F1C 60%);
    border: 1px solid rgba(255, 252, 249, 0.35);
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; justify-content: center;
    cursor: grab;
    animation: bgmspin 5s linear infinite;
    animation-play-state: paused;
}
.bgmf-disc.spinning { animation-play-state: running; }
.bgmf-disc-label {
    width: 18px; height: 18px; border-radius: 50%;
    background: radial-gradient(circle, #E4D4B4, var(--gold, #C4A86A));
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
}
.bgmf-bar {
    position: absolute; top: 50%; transform: translateY(-50%);
    display: flex; align-items: center; gap: 2px;
    background: var(--surface);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border); border-radius: 999px;
    padding: 4px 6px; box-shadow: var(--shadow-md);
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s ease;
}
#bgm-float.expanded .bgmf-bar { opacity: 1; pointer-events: auto; }
#bgm-float.bar-left .bgmf-bar { right: calc(100% + 8px); }
#bgm-float:not(.bar-left) .bgmf-bar { left: calc(100% + 8px); }
.bgmf-btn {
    background: none; border: none;
    width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); cursor: pointer;
}
.bgmf-btn:active { transform: scale(0.92); }
.bgmf-close { color: var(--text-muted); }

/* ===== 窄屏适配（≤370px） ===== */
@media (max-width: 370px) {
    #bgm-overlay { padding: 0 12px calc(24px + env(safe-area-inset-bottom, 0px)); }
    .bgm-controls { gap: 12px; }
    .bgm-ctl { width: 34px; height: 34px; }
    .bgm-ctl-main { width: 46px; height: 46px; }
    #bgm-autoplay-chips { padding: 10px 12px; }
    .bgm-pl-manage-add { margin: 0 14px 10px; width: calc(100% - 28px); }
    .bgm-pl-manage-row { padding: 10px 14px; }
    .bgm-pl-manage-name { font-size: 13px; }
}
@media (min-width: 420px) {
    #bgm-overlay { padding: 0 26px calc(32px + env(safe-area-inset-bottom, 0px)); }
}

/* ===== 批量导入编辑滑动卡 ===== */
/* ★ 2026-10：留声机「导入」由 <label> 改成真 <button>（原来靠浏览器转发点击，部分机型点了毫无反应）
   → 这里抹掉按钮的系统默认外观（字体/边框/底色），尺寸与配色仍由 .bgm-import-btn 决定。 */
button.bgm-import-btn { background:none; border:0; font:inherit; color:inherit; padding:0; margin:0; -webkit-appearance:none; appearance:none; cursor:pointer; }

#bgm-batch-editor-overlay {
    position: fixed; inset: 0; z-index: 1700;
    max-width: 480px; margin: 0 auto;
    background:
        radial-gradient(ellipse at 25% 0%, rgba(201,168,168,0.06), transparent 50%),
        var(--bg-primary, #F8F4EF);
    display: flex; flex-direction: column;
    padding: 0 16px calc(18px + env(safe-area-inset-bottom, 0px));
    animation: bgmPanelIn 0.22s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.bgm-batch-head {
    display: flex; align-items: center; gap: 10px; padding: calc(14px + var(--safe-top)) 0 8px; flex-shrink: 0;
}
.bgm-batch-back {
    background: none; border: none; cursor: pointer; width: 36px; height: 36px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
}
.bgm-batch-back:active { transform: scale(0.92); }
.bgm-batch-head-titles { flex: 1; text-align: center; }
.bgm-batch-title {
    font-family: var(--font-display); font-style: italic;
    font-size: 16px; color: var(--accent-rose, #C9A8A8); letter-spacing: 0.04em;
}
.bgm-batch-del {
    width: 36px; height: 36px; border-radius: 50%; border: none; cursor: pointer;
    background: none; display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); transition: color 0.15s ease;
}
.bgm-batch-del:hover { color: var(--danger); }
.bgm-batch-del:active { transform: scale(0.92); }

.bgm-batch-body {
    flex: 1; overflow-y: auto; padding: 8px 2px 14px;
    display: flex; flex-direction: column; gap: 8px;
}
.bgm-batch-file-info {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    padding: 10px 12px; background: var(--surface-solid);
    border-radius: 10px; box-shadow: var(--shadow-xs);
}
.bgm-batch-aud-tag {
    font-size: 10px; padding: 2px 8px; border-radius: 999px;
    background: var(--accent-sage, #A8B8A0); color: #fff; flex-shrink: 0;
}
.bgm-batch-vid-tag {
    font-size: 10px; padding: 2px 8px; border-radius: 999px;
    background: var(--accent-rose, #C9A8A8); color: #fff; flex-shrink: 0;
}
.bgm-batch-fname { flex: 1; font-size: 12px; color: var(--text-primary); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; min-width:0; }
.bgm-batch-fsize { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }

.bgm-batch-preview-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 0; border: 1px solid var(--border); border-radius: 999px;
    background: var(--input-bg); color: var(--text-secondary); cursor: pointer;
    font-family: inherit; font-size: 12px;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.bgm-batch-preview-btn:hover { border-color: var(--accent-rose); color: var(--accent-rose); }
.bgm-batch-preview-btn:active { transform: scale(0.97); }

.bgm-batch-label {
    font-size: 11px; color: var(--text-muted); letter-spacing: 0.06em;
    margin-top: 4px; margin-bottom: 2px;
}
.bgm-batch-input {
    border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px;
    font-family: inherit; font-size: 13px; background: var(--input-bg);
    color: var(--text-primary); outline: none; transition: border-color 0.15s ease;
    box-sizing: border-box; width: 100%;
}
.bgm-batch-input:focus { border-color: var(--accent-rose, #C9A8A8); }

.bgm-batch-artist-row { display: flex; gap: 6px; }
.bgm-batch-artist-row .bgm-batch-input { flex: 1; }
.bgm-batch-tag-btn {
    flex-shrink: 0; padding: 9px 14px; border: 1px solid var(--gold-light);
    border-radius: 8px; background: transparent; cursor: pointer;
    font-family: inherit; font-size: 12px; color: var(--gold-dark, #A89050);
    transition: background 0.15s ease, border-color 0.15s ease;
}
.bgm-batch-tag-btn:hover { background: var(--gold-light); }
.bgm-batch-tag-btn:active { transform: scale(0.96); }

.bgm-batch-artist-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.bgm-batch-artist-chip {
    padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border);
    font-size: 11px; color: var(--text-secondary); cursor: pointer;
    background: transparent; transition: border-color 0.12s ease, color 0.12s ease;
}
.bgm-batch-artist-chip:hover { border-color: var(--accent-rose); color: var(--accent-rose); }
.bgm-batch-artist-chip:active { transform: scale(0.95); }

.bgm-batch-cover-row { display: flex; align-items: center; gap: 10px; }
.bgm-batch-cover-preview {
    width: 64px; height: 64px; border-radius: 50%; border: 1.5px dashed var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-muted);
    background-size: cover; background-position: center;
    transition: border-color 0.15s ease;
    flex-shrink: 0;
}
.bgm-batch-cover-preview:hover { border-color: var(--accent-rose); }
.bgm-batch-cover-preview.has-img { border-style: solid; border-color: rgba(0,0,0,0.08); }

.bgm-batch-nav {
    display: flex; align-items: center; justify-content: center; gap: 14px;
    padding: 10px 0 4px; flex-shrink: 0;
}
.bgm-batch-nav-btn {
    background: none; border: 1px solid var(--border); border-radius: 50%;
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-secondary);
    transition: border-color 0.15s ease, color 0.15s ease;
}
.bgm-batch-nav-btn:hover:not(.disabled) { border-color: var(--accent-rose); color: var(--accent-rose); }
.bgm-batch-nav-btn:active:not(.disabled) { transform: scale(0.93); }
.bgm-batch-nav-btn.disabled { opacity: 0.3; cursor: default; }
.bgm-batch-add-btn {
    padding: 8px 16px; border: 1px solid var(--gold-light); border-radius: 999px;
    background: transparent; cursor: pointer; font-family: inherit; font-size: 12px;
    color: var(--gold-dark, #A89050); transition: background 0.15s ease;
}
.bgm-batch-add-btn:hover { background: var(--gold-light); }
.bgm-batch-add-btn:active { transform: scale(0.96); }

.bgm-batch-footer { padding: 8px 0 6px; flex-shrink: 0; }
.bgm-batch-upload-btn {
    width: 100%; padding: 12px; border: none; border-radius: 999px;
    background: var(--accent-gradient); color: #fff;
    font-family: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
    letter-spacing: 0.06em; box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.bgm-batch-upload-btn:active { transform: scale(0.97); }
.bgm-batch-upload-btn:disabled { opacity: 0.5; cursor: default; }
.bgm-batch-progress {
    height: 4px; border-radius: 2px; background: var(--border); margin-top: 8px; overflow: hidden;
}
.bgm-batch-progress-fill {
    height: 100%; border-radius: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

/* ===== 自动播放 ? 图标 ===== */
.bgm-ap-info { display: inline-flex; align-items: center; margin-left: 4px; cursor: pointer; color: var(--text-muted); opacity: 0.6; transition: opacity 0.15s ease; vertical-align: middle; flex-shrink: 0; }
.bgm-ap-info:hover { opacity: 1; color: var(--accent-rose, #C9A8A8); }

/* ===== 缺音频标记 ===== */
.bgm-row.missing { opacity: 0.65; }
.bgm-row-nofile { font-size: 9px; padding: 1px 6px; border-radius: 3px; background: var(--accent-rose-light, rgba(201,168,168,0.15)); color: var(--accent-rose, #C9A8A8); }
.bgm-row-upload { color: var(--accent-sage, #A8B8A0) !important; }

/* ===== 歌单管理按钮 ===== */
.bgm-row-pl {
    color: var(--text-muted) !important;
    display: flex; align-items: center; gap: 2px;
}
.bgm-row-pl:hover { color: var(--accent-rose, #C9A8A8) !important; }
.bgm-row-pl-count { font-size: 9px; color: var(--text-muted); }

/* ===== 歌单选择面板 ===== */
.bgm-pl-select-overlay {
    position: fixed; inset: 0; z-index: 1700;
    background: rgba(0,0,0,0.35);
    display: flex; align-items: flex-end; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.2s ease;
}
.bgm-pl-select-overlay.open { opacity: 1; pointer-events: auto; transition: none; animation: bgmPlFadeIn 0.2s ease; }
@keyframes bgmPlFadeIn { from { opacity: 0; } to { opacity: 1; } }
.bgm-pl-select-panel {
    width: 100%; max-width: 480px;
    background: var(--bg-primary, #F8F4EF);
    border-radius: 18px 18px 0 0;
    box-shadow: var(--shadow-lg);
    padding: 0 0 calc(28px + env(safe-area-inset-bottom, 0px));
    animation: slideUp 0.25s cubic-bezier(0.22,0.61,0.36,1);
    max-height: 78vh; overflow-y: auto;
}
.bgm-pl-select-header {
    display: flex; align-items: center; gap: 10px;
    padding: 18px 18px 14px;
    border-bottom: 1px solid var(--border, rgba(180,170,155,0.22));
}
.bgm-pl-select-title { font-size: 15px; font-weight: 600; color: var(--text-primary); flex: 1; }
.bgm-pl-select-sub { font-size: 11px; color: var(--text-muted); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bgm-pl-select-close {
    background: none; border: none; cursor: pointer;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: background 0.15s;
}
.bgm-pl-select-close:hover { background: var(--rose-light, rgba(201,168,168,0.12)); }
.bgm-pl-select-body { padding: 8px 0; }
.bgm-pl-select-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 18px; cursor: pointer;
    transition: background 0.15s;
    -webkit-tap-highlight-color: transparent;
}
.bgm-pl-select-item:active { background: var(--rose-light, rgba(201,168,168,0.08)); }
.bgm-pl-select-check {
    width: 20px; height: 20px; border-radius: 5px;
    border: 1.5px solid var(--border, rgba(180,170,155,0.4));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: all 0.15s;
}
.bgm-pl-select-check.checked {
    background: var(--accent-rose, #C9A8A8);
    border-color: var(--accent-rose, #C9A8A8);
}
.bgm-pl-select-name { font-size: 14px; color: var(--text-primary); }

/* ===== 歌单管理面板 ===== */
.bgm-pl-manage-body { padding: 8px 0 4px; }
.bgm-pl-manage-hint {
    margin: 0 18px 12px; padding: 8px 12px;
    font-size: 11px; line-height: 1.5; letter-spacing: 0.03em; color: var(--text-muted);
    background: var(--rose-light, rgba(201,168,168,0.08)); border-radius: 8px;
}
.bgm-pl-manage-add {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    margin: 0 14px 10px; padding: 11px;
    width: calc(100% - 28px); box-sizing: border-box;
    border: 1px dashed var(--accent-rose, #C9A8A8); border-radius: 12px;
    background: transparent; color: var(--accent-rose, #C9A8A8);
    font-family: inherit; font-size: 13px; cursor: pointer;
    transition: background 0.15s ease;
}
.bgm-pl-manage-add:hover { background: var(--rose-light, rgba(201,168,168,0.1)); }
.bgm-pl-manage-add:active { transform: scale(0.98); }
.bgm-pl-manage-row {
    display: flex; align-items: center; gap: 10px;
    margin: 0 14px 8px; padding: 13px 14px;
    background: var(--surface-solid, #FFFDFA);
    border: 1px solid var(--border, rgba(180,170,155,0.18));
    border-radius: 12px;
    box-shadow: var(--shadow-xs, 0 1px 3px rgba(180,160,150,0.08));
    transition: box-shadow 0.15s ease;
}
.bgm-pl-manage-row:hover { box-shadow: var(--shadow-sm, 0 3px 10px rgba(180,160,150,0.14)); }
.bgm-pl-manage-name {
    flex: 1; min-width: 0; font-size: 14px; color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    display: flex; align-items: center; gap: 6px;
}
.bgm-pl-manage-tag {
    flex-shrink: 0; font-size: 10px; padding: 1px 6px; border-radius: 999px;
    background: var(--rose-light, rgba(201,168,168,0.15)); color: var(--accent-rose, #C9A8A8);
}
.bgm-pl-manage-ops { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.bgm-pl-manage-op {
    background: none; border: none; cursor: pointer;
    width: 34px; height: 34px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); transition: color 0.15s ease, background 0.15s ease;
}
.bgm-pl-manage-op:hover { color: var(--accent-rose, #C9A8A8); background: var(--rose-light, rgba(201,168,168,0.1)); }
.bgm-pl-manage-op.danger:hover { color: var(--danger); background: rgba(220,90,90,0.08); }
.bgm-pl-manage-op:active { transform: scale(0.9); }

/* ===== 最爱歌单 chip ===== */
.bgm-pl-chip.fav-playlist { color: var(--accent-rose, #C9A8A8); }
.bgm-pl-chip.fav-playlist.active { background: var(--accent-rose, #C9A8A8); color: #fff; }
.music-playlist-chip.fav-playlist { color: var(--accent-rose, #C9A8A8); }
.music-playlist-chip.fav-playlist.active { background: var(--accent-rose, #C9A8A8); color: #fff; }

/* ===== 拖拽排序（歌曲/歌单通用） ===== */
.bgm-drag-handle {
    flex-shrink: 0; width: 26px; height: 26px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); cursor: grab; touch-action: none;
    opacity: 0.55; transition: opacity 0.15s ease, background 0.15s ease;
}
.bgm-drag-handle:hover { opacity: 1; background: var(--rose-light, rgba(201,168,168,0.1)); color: var(--accent-rose, #C9A8A8); }
.bgm-drag-handle:active { cursor: grabbing; }
.bgm-row.bgm-dragging {
    position: relative; z-index: 5;
    background: var(--surface-solid);
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.15s ease;
}
.bgm-pl-manage-row.bgm-dragging {
    position: relative; z-index: 5;
    box-shadow: var(--shadow-md);
    border-color: var(--accent-rose, #C9A8A8);
}
.bgm-row-order {
    display: flex; flex-direction: column; gap: 2px; flex-shrink: 0;
}
.bgm-row-order-btn {
    background: none; border: none; cursor: pointer;
    width: 24px; height: 20px; border-radius: 5px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); transition: color 0.15s ease, background 0.15s ease;
}
.bgm-row-order-btn:hover:not(.disabled) { color: var(--accent-rose, #C9A8A8); background: var(--rose-light, rgba(201,168,168,0.1)); }
.bgm-row-order-btn:active:not(.disabled) { transform: scale(0.92); }
.bgm-row-order-btn.disabled { opacity: 0.25; cursor: default; }

/* ===== 尖角气泡（? 说明 / 播放模式提示） ===== */
.bgm-bubble {
    position: fixed; z-index: 2400; box-sizing: border-box;
    max-width: min(280px, calc(100vw - 24px));
    background: var(--surface, #FFFDFA);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 9px 12px;
    font-size: 12px; line-height: 1.55; color: var(--text-primary);
    animation: bgmBubbleIn 0.16s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.bgm-bubble::before,
.bgm-bubble::after {
    content: ''; position: absolute; left: var(--bgm-arrow-x, 50%);
    width: 0; height: 0; margin-left: -7px;
    border: 7px solid transparent;
}
.bgm-bubble::before { top: 100%; border-top-color: var(--border); }
.bgm-bubble::after { top: calc(100% - 2px); border-top-color: var(--surface, #FFFDFA); }
.bgm-bubble--below::before { top: auto; bottom: 100%; border-top-color: transparent; border-bottom-color: var(--border); }
.bgm-bubble--below::after { top: auto; bottom: calc(100% - 2px); border-top-color: transparent; border-bottom-color: var(--surface, #FFFDFA); }
.bgm-bubble-title { display: block; font-weight: 600; margin-bottom: 1px; color: var(--accent-rose, #C9A8A8); }
.bgm-bubble-sub { display: block; color: var(--text-secondary); }
@keyframes bgmBubbleIn { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

/* ===== 动效降级（无障碍） ===== */
@media (prefers-reduced-motion: reduce) {
    .bgm-bubble { animation: none; }
    .bgm-row, .bgm-pl-manage-row { transition: none !important; }
}