/**
 * 别园记 · 音乐页（/music）曲库样式
 *  - 复用主题变量（--primary / --surface / --border / --radius），自动跟随深浅色
 *  - 卡片：封面（无封面时用渐变 + 音符）、歌名、曲风标签、收藏按钮
 *  - 手机端两列，桌面端自适应多列
 */
.mlib{--mlib-gap:14px}

/* ---------- 页头 ---------- */
.mlib-head{margin-bottom:var(--mlib-gap)}
.mlib-kinds{margin-top:14px}
.mlib-kinds em,.mlib-genres em{font-style:normal;margin-left:5px;font-size:.85em;opacity:.7}

/* ---------- 工具条 ---------- */
.mlib-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;margin-bottom:var(--mlib-gap);position:sticky;top:calc(var(--header-h) + 8px);z-index:20}
.mlib-genres{flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:6px;margin:0;overflow:visible}
.mlib-search{display:flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--border);border-radius:calc(var(--radius) * .8);background:var(--bg);min-width:200px}
.mlib-search .ico{width:16px;height:16px;color:var(--muted);flex:none}
.mlib-search input{flex:1;min-width:0;border:0;background:none;color:var(--text);font:inherit;font-size:.94em;outline:none}
.mlib-qx{display:flex;color:var(--muted)}
.mlib-qx .ico{width:14px;height:14px}
.mlib-qx:hover{color:var(--primary)}
.mlib-tools{display:flex;align-items:center;gap:8px}
.mlib-sort{padding:7px 10px;border:1px solid var(--border);border-radius:calc(var(--radius) * .8);background:var(--bg);color:var(--text);font:inherit;font-size:.9em;cursor:pointer}
.mlib-playall{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.mlib-playall .ico{width:15px;height:15px}

/* ---------- 卡片网格 ---------- */
.mlib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:var(--mlib-gap)}
.mlib-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s,box-shadow .22s}
.mlib-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px -10px rgba(0,0,0,.22)}
.mlib-cover{position:relative;display:block;width:100%;aspect-ratio:1/1;padding:0;border:0;cursor:pointer;background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 82%,#000),var(--accent));overflow:hidden}
/* 有封面：覆盖渐变（用单独的类，避免与上面的 background 简写打架） */
.mlib-cover.has-cv{background-image:var(--cv);background-size:cover;background-position:center}
.mlib-cover::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.32);opacity:0;transition:opacity .22s}
.mlib-card:hover .mlib-cover::after,.mlib-card.playing .mlib-cover::after{opacity:1}
.mlib-note{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.72);z-index:2;width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.94);color:#111;box-shadow:0 6px 20px rgba(0,0,0,.3);opacity:0;transition:.24s}
.mlib-note .ico{width:22px;height:22px;margin-left:2px}
.mlib-card:hover .mlib-note{opacity:1;transform:translate(-50%,-50%) scale(1)}
.mlib-card.playing .mlib-note{opacity:1;transform:translate(-50%,-50%) scale(1)}
.mlib-card.playing .mlib-cover{animation:mlib-pulse 2.4s ease-in-out infinite}
@keyframes mlib-pulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.16)}}

.mlib-meta{display:flex;flex-direction:column;gap:6px;padding:11px 12px 13px;cursor:pointer;min-width:0}
.mlib-title{font-size:.96em;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mlib-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-height:19px}
.mlib-tag{font-style:normal;padding:1px 8px;border-radius:20px;font-size:.76em;line-height:17px;color:var(--muted);background:color-mix(in srgb,var(--muted) 12%,transparent);white-space:nowrap}
.mlib-tag.gen{color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,transparent)}
.mlib-time{font-style:normal;margin-left:auto;font-size:.78em;color:var(--muted);font-variant-numeric:tabular-nums}

/* 收藏按钮 */
.mlib-fav{position:absolute;right:9px;top:9px;z-index:3;width:34px;height:34px;display:flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:50%;cursor:pointer;color:#fff;background:rgba(0,0,0,.34);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:.2s;opacity:0}
.mlib-fav .ico{width:17px;height:17px;fill:none}
.mlib-card:hover .mlib-fav,.mlib-card.fav .mlib-fav{opacity:1}
.mlib-fav:hover{background:rgba(0,0,0,.5);transform:scale(1.08)}
.mlib-card.fav .mlib-fav{color:#ff4d6d}
.mlib-card.fav .mlib-fav .ico{fill:currentColor}
.mlib-fav.pop{animation:mlib-pop .42s cubic-bezier(.3,1.6,.5,1)}
@keyframes mlib-pop{0%{transform:scale(1)}45%{transform:scale(1.38)}100%{transform:scale(1)}}

/* 触屏设备：收藏按钮常显（没有悬停） */
@media (pointer:coarse){.mlib-fav{opacity:1}}

/* ---------- 分页 / 空态 ---------- */
.mlib-pager{margin-top:22px}
.mlib .empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:54px 20px;text-align:center;color:var(--muted)}
.mlib .empty-state .ico{width:44px;height:44px;opacity:.4}
.mlib .empty-state p{margin:0}
.mlib-tip{margin:20px 0 0;text-align:center;font-size:.85em;color:var(--muted)}

/* ---------- 未登录收藏提示 ---------- */
.mlib-login-tip{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:80;display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:40px;background:var(--surface);box-shadow:0 12px 34px rgba(0,0,0,.22);border:1px solid var(--border);font-size:.92em;animation:mlib-up .3s ease}
@keyframes mlib-up{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}
.mlib-login-tip[hidden]{display:none}

/* ---------- 手机端 ---------- */
@media (max-width:640px){
  .mlib-bar{position:static;padding:10px 12px;gap:10px}
  .mlib-genres{order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .mlib-genres::-webkit-scrollbar{display:none}
  .mlib-genres a{flex:none}
  .mlib-search{order:1;flex:1;min-width:0}
  .mlib-tools{order:2}
  .mlib-playall span{display:none}
  .mlib-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .mlib-meta{padding:9px 10px 11px}
  .mlib-title{font-size:.92em}
  .mlib-tag{padding:0 6px;font-size:.72em}
  .mlib-login-tip{left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));transform:none;justify-content:space-between;border-radius:var(--radius)}
  @keyframes mlib-up{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
}

/* ---------- 列表加载中 ---------- */
.mlib-wrap{position:relative;transition:opacity .18s}
.mlib-wrap.loading{opacity:.45;pointer-events:none}

/* ---------- 播放模式按钮 ---------- */
.mlib-mode{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;flex:none}
.mlib-mode svg{width:17px;height:17px}
.mlib-mode.act{color:var(--primary);border-color:var(--primary)}

/* ---------- 轻提示 ---------- */
.mlib-toast{position:fixed;left:50%;bottom:calc(36px + env(safe-area-inset-bottom));transform:translate(-50%,12px);z-index:200;padding:9px 18px;border-radius:40px;background:rgba(20,22,28,.9);color:#fff;font-size:.9em;opacity:0;pointer-events:none;transition:.24s}
.mlib-toast.on{opacity:1;transform:translate(-50%,0)}

/* 分页圆点（AJAX 重新渲染，样式与主题一致） */
.mlib-pager .pg.dots{background:none;box-shadow:none;color:var(--muted)}