/* ============================================================
   Akie秋绘 · 音乐播放器（独立模块）
   ----------------------------------------------------------------
   依赖 index.html 上 :root 里的 CSS 变量
   （--accent / --text / --panel-bg-1 等），变量缺失时会有 fallback。
   命名空间：.music-player / .mp-*
   ============================================================ */

   .music-player{position:fixed;right:24px;top:calc(var(--nav-h, 68px) + 20px);z-index:180;font-family:inherit;}

   /* ========== 折叠按钮 ========== */
   .mp-toggle{
     position:relative;width:52px;height:52px;border-radius:50%;
     display:grid;place-items:center;font-size:1.35rem;color:var(--accent-deep, #E06000);
     background:linear-gradient(135deg, rgba(255,255,255,.55), rgba(255,255,255,.20));
     backdrop-filter:blur(20px) saturate(200%);-webkit-backdrop-filter:blur(20px) saturate(200%);
     border:1.5px solid rgba(255,255,255,.7);
     box-shadow:0 8px 24px rgba(255,140,40,.25),0 2px 6px rgba(255,140,40,.15),inset 0 1px 0 rgba(255,255,255,.9),inset 0 -1px 0 rgba(255,255,255,.35);
     transition:transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s, background .35s;
   }
   [data-theme="dark"] .mp-toggle{
     color:var(--accent-2, #FFC178);
     background:linear-gradient(135deg, rgba(255,180,90,.18), rgba(255,150,50,.08));
     border-color:rgba(255,180,90,.35);
     box-shadow:0 8px 24px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,220,180,.20),inset 0 -1px 0 rgba(0,0,0,.20);
   }
   .mp-toggle:hover{
     transform:translateY(-2px) scale(1.06);
     box-shadow:0 12px 30px rgba(255,140,40,.35),0 3px 8px rgba(255,140,40,.20),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.4);
   }
   .mp-toggle .mp-icon-pause{display:none}
   .music-player.playing .mp-toggle .mp-icon-play{display:none}
   .music-player.playing .mp-toggle .mp-icon-pause{display:block}
   .mp-toggle::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--accent, #FF8000);opacity:0;transition:opacity .35s;pointer-events:none}
   .music-player.playing .mp-toggle::after{opacity:.35;animation:mpRing 2s ease-out infinite}
   @keyframes mpRing{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.5);opacity:0}}
   
   /* ========== 主面板 ========== */
   .mp-panel{
     position:absolute;right:0;top:66px;
     width:400px;max-width:calc(100vw - 32px);
     max-height:calc(100vh - var(--nav-h, 68px) - 100px);
     display:flex;flex-direction:column;
     background:linear-gradient(160deg, var(--panel-bg-1, rgba(255,250,244,.72)) 0%, var(--panel-bg-2, rgba(255,244,230,.60)) 40%, var(--panel-bg-3, rgba(255,250,244,.68)) 100%);
     backdrop-filter:blur(26px) saturate(180%);
     -webkit-backdrop-filter:blur(26px) saturate(180%);
     border:1.5px solid var(--panel-border, rgba(255,255,255,.78));border-radius:24px;
     box-shadow:
       0 20px 50px var(--panel-shadow-1, rgba(255,140,40,.18)),
       0 4px 12px var(--panel-shadow-2, rgba(255,140,40,.10)),
       inset 0 1px 0 var(--panel-inset, rgba(255,255,255,.85));
     overflow:hidden;
     opacity:0;visibility:hidden;transform:translateY(-10px) scale(.96);transform-origin:top right;
     transition:opacity .3s cubic-bezier(.22,1,.36,1),visibility .3s,transform .3s cubic-bezier(.22,1,.36,1);
   }
   .music-player.open .mp-panel{opacity:1;visibility:visible;transform:none}
   .mp-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:140px;background:linear-gradient(180deg,rgba(255,255,255,.20),transparent);pointer-events:none;z-index:0;}
   [data-theme="dark"] .mp-panel::before{background:linear-gradient(180deg,rgba(255,200,150,.06),transparent)}
   .mp-panel > *{position:relative;z-index:1}
   
   /* ========== 正在播放区 ========== */
   .mp-now-playing{
     padding:16px 18px 12px;
     border-bottom:1px dashed var(--panel-divider, rgba(255,180,100,.28));
     flex-shrink:0;
   }
   .mp-head{display:flex;align-items:center;gap:12px;}
   .mp-cover{
     width:60px;height:60px;flex:0 0 60px;
     border-radius:16px;display:grid;place-items:center;
     font-size:1.5rem;
     background:linear-gradient(140deg,var(--accent-2, #FFB366),var(--accent, #FF8000));
     box-shadow:0 8px 20px rgba(255,140,40,.35),inset 0 1px 0 rgba(255,255,255,.5);
     overflow:hidden;border:1px solid rgba(255,255,255,.4);
   }
   .mp-cover img{width:100%;height:100%;object-fit:cover}
   .mp-info{flex:1;min-width:0;}
   .mp-title{font-weight:800;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text, #3A2410);}
   .mp-artist{font-size:.78rem;color:var(--text-2, #8A6A4A);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;font-weight:600;}
   
   .mp-icon-btn{
     width:34px;height:34px;border-radius:10px;
     display:grid;place-items:center;
     font-size:1rem;color:var(--text-2, #8A6A4A);
     background:var(--panel-btn-bg, rgba(255,255,255,.55));border:1px solid var(--panel-border, rgba(255,255,255,.78));
     cursor:pointer;flex-shrink:0;
     transition:background .2s,color .2s,transform .2s,border-color .2s;
   }
   .mp-icon-btn:hover{background:var(--accent-soft, rgba(255,128,0,.10));color:var(--accent, #FF8000);transform:scale(1.06);}
   .mp-fav-btn.on{
     color:#FF5A7A;background:rgba(255,90,122,.12);border-color:rgba(255,90,122,.35);
   }
   .mp-fav-btn.on:hover{color:#FF5A7A;background:rgba(255,90,122,.20);border-color:rgba(255,90,122,.5);}
   
   /* ========== 进度条 ========== */
   .mp-progress{display:flex;align-items:center;gap:10px;padding:14px 2px 4px;}
   .mp-time{font-size:.7rem;color:var(--text-2, #8A6A4A);font-weight:800;font-variant-numeric:tabular-nums;flex-shrink:0;min-width:34px;text-align:center;}
   .mp-seek{
     flex:1;-webkit-appearance:none;appearance:none;height:5px;border-radius:3px;
     background:rgba(255,180,90,.22);outline:none;cursor:pointer;
     border:1px solid rgba(255,180,90,.28);box-shadow:inset 0 1px 2px rgba(0,0,0,.08);
   }
   .mp-seek::-webkit-slider-thumb{
     -webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;
     background:linear-gradient(140deg,var(--accent-2, #FFB366),var(--accent, #FF8000));
     box-shadow:0 2px 8px rgba(255,128,0,.55),inset 0 1px 0 rgba(255,255,255,.6);
     border:1px solid rgba(255,255,255,.6);transition:transform .2s;
   }
   .mp-seek::-webkit-slider-thumb:hover{transform:scale(1.25)}
   .mp-seek::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:linear-gradient(140deg,var(--accent-2, #FFB366),var(--accent, #FF8000));border:1px solid rgba(255,255,255,.6);}
   
   /* ========== 控制按钮 ========== */
   .mp-controls{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px 2px 4px;}
   .mp-btn{
     width:40px;height:40px;border-radius:50%;
     display:grid;place-items:center;font-size:1rem;color:var(--text, #3A2410);
     background:var(--panel-btn-bg, rgba(255,255,255,.55));
     backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
     border:1px solid var(--panel-border, rgba(255,255,255,.78));
     box-shadow:0 2px 6px var(--panel-shadow-2, rgba(255,140,40,.10)),inset 0 1px 0 var(--panel-inset, rgba(255,255,255,.85));
     transition:transform .25s cubic-bezier(.22,1,.36,1),background .25s,color .25s,box-shadow .25s;
   }
   .mp-btn:hover{transform:scale(1.08);background:var(--accent-soft, rgba(255,128,0,.10));color:var(--accent, #FF8000);box-shadow:0 4px 12px rgba(255,140,40,.22);}
   .mp-btn.mp-play{
     width:50px;height:50px;font-size:1.25rem;
     background:linear-gradient(135deg,var(--accent, #FF8000),var(--accent-deep, #E06000));color:#fff;
     border:1px solid rgba(255,255,255,.4);
     box-shadow:0 8px 18px rgba(255,130,0,.45),inset 0 1px 0 rgba(255,255,255,.45),inset 0 -2px 6px rgba(160,60,0,.25);
   }
   .mp-btn.mp-play:hover{transform:scale(1.10);box-shadow:0 12px 26px rgba(255,130,0,.55),inset 0 1px 0 rgba(255,255,255,.5);}
   .mp-btn.mp-mode{font-size:1.1rem;}
   .mp-btn.mp-mode.mode-single,
   .mp-btn.mp-mode.mode-shuffle{
     color:var(--accent, #FF8000);
     background:var(--accent-soft, rgba(255,128,0,.10));
     box-shadow:0 4px 12px rgba(255,140,40,.22);
   }
   
   /* ========== 音量 ========== */
   .mp-volume-wrap{display:flex;align-items:center;gap:8px;padding:4px 2px 0;color:var(--text-2, #8A6A4A);}
   .mp-vol-icon{font-size:.85rem;flex-shrink:0;opacity:.8;}
   .mp-volume{
     flex:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:3px;
     background:rgba(255,180,90,.22);outline:none;cursor:pointer;
     border:1px solid rgba(255,180,90,.28);
   }
   .mp-volume::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:linear-gradient(140deg,var(--accent-2, #FFB366),var(--accent, #FF8000));border:1px solid rgba(255,255,255,.6);box-shadow:0 2px 6px rgba(255,128,0,.5);}
   .mp-volume::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--accent, #FF8000);border:1px solid rgba(255,255,255,.6);}
   
   /* ========== 工具栏 ========== */
   .mp-toolbar{
     padding:12px 18px 10px;
     border-bottom:1px dashed var(--panel-divider, rgba(255,180,100,.28));
     flex-shrink:0;
   }
   .mp-search-row{display:flex;gap:8px;align-items:center;margin-bottom:10px;}
   .mp-search-wrap{
     flex:1;
     display:flex;align-items:center;
     padding:0 10px;
     border-radius:999px;
     background:var(--panel-input-bg, rgba(255,255,255,.9));
     border:1.5px solid var(--border, rgba(255,128,0,.18));
     transition:border-color .25s cubic-bezier(.22,1,.36,1),box-shadow .25s;
   }
   .mp-search-wrap:focus-within{border-color:var(--accent, #FF8000);box-shadow:0 0 0 3px var(--accent-soft, rgba(255,128,0,.10));}
   .mp-search-icon{font-size:.82rem;color:var(--text-3, #B09680);flex:0 0 auto;}
   .mp-search-input{
     flex:1;min-width:0;padding:7px 8px;
     border:none;background:transparent;color:var(--text, #3A2410);
     font-size:.82rem;font-family:inherit;outline:none;
   }
   .mp-search-input::placeholder{color:var(--text-3, #B09680);}
   .mp-search-clear{
     flex:0 0 auto;width:18px;height:18px;
     display:grid;place-items:center;
     font-size:.55rem;color:var(--text-2, #8A6A4A);
     background:var(--panel-btn-bg, rgba(255,255,255,.55));border:1px solid var(--panel-border, rgba(255,255,255,.78));
     border-radius:50%;cursor:pointer;
     transition:background .2s,color .2s;
   }
   .mp-search-clear:hover{background:var(--accent-soft, rgba(255,128,0,.10));color:var(--accent, #FF8000);}
   
   .mp-filter-toggle{
     flex:0 0 36px;height:36px;border-radius:12px;
     display:grid;place-items:center;
     font-size:.95rem;color:var(--text-3, #B09680);
     background:var(--panel-btn-bg, rgba(255,255,255,.55));border:1px solid var(--panel-border, rgba(255,255,255,.78));
     cursor:pointer;
     transition:all .2s;
   }
   .mp-filter-toggle:hover{color:var(--accent, #FF8000);border-color:var(--accent, #FF8000);background:var(--accent-soft, rgba(255,128,0,.10));}
   .mp-filter-toggle.active{
     color:#fff;
     background:linear-gradient(135deg,var(--accent, #FF8000),var(--accent-deep, #E06000));
     border-color:transparent;
     box-shadow:0 4px 10px rgba(255,130,0,.30);
   }
   
   .mp-tabs{
     display:flex;gap:3px;padding:3px;
     border-radius:999px;
     background:var(--accent-soft, rgba(255,128,0,.10));
     border:1px solid var(--border, rgba(255,128,0,.18));
   }
   .mp-tab{
     flex:1;padding:7px 8px;
     border-radius:999px;
     font-size:.78rem;font-weight:700;
     color:var(--text-2, #8A6A4A);text-align:center;
     cursor:pointer;white-space:nowrap;
     transition:all .25s cubic-bezier(.22,1,.36,1);
   }
   .mp-tab:hover{color:var(--accent, #FF8000);}
   .mp-tab.active{
     color:#fff;
     background:linear-gradient(135deg,var(--accent, #FF8000),var(--accent-deep, #E06000));
     box-shadow:0 4px 10px rgba(255,130,0,.28);
   }
   .mp-tab-count{
     display:inline-block;margin-left:3px;
     font-size:.7em;opacity:.75;
     font-variant-numeric:tabular-nums;
   }
   .mp-tab.active .mp-tab-count{opacity:.9;}
   
   /* ========== 列表 ========== */
   .mp-list{
     flex:1;
     min-height:0;
     overflow-y:auto;
     padding:6px 0;
     margin:0;
     list-style:none;
     scrollbar-width:thin;
     scrollbar-color:rgba(255,128,0,.4) transparent;
   }
   .mp-list::-webkit-scrollbar{width:6px;}
   .mp-list::-webkit-scrollbar-thumb{background:rgba(255,128,0,.4);border-radius:3px;border:1px solid rgba(255,255,255,.3);}
   
   .mp-item{
     position:relative;
     display:flex;align-items:center;gap:10px;
     padding:10px 18px;
     cursor:pointer;font-size:.86rem;
     transition:background .18s;
     min-height:44px;
   }
   .mp-item:hover{background:var(--panel-btn-hover, rgba(255,255,255,.78));}
   .mp-item.active{color:var(--accent, #FF8000);background:rgba(255,128,0,.12);}
   .mp-item.active .mp-item-num{color:var(--accent, #FF8000);}
   
   .mp-item-num{
     width:22px;text-align:center;
     font-size:.72rem;color:var(--text-2, #8A6A4A);font-weight:800;
     flex-shrink:0;font-variant-numeric:tabular-nums;
   }
   .mp-item-title{
     flex:1;min-width:0;
     overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
     font-weight:600;
   }
   
   .mp-item-artist{
     position:absolute;
     right:76px;top:50%;
     transform:translateY(-50%) translateX(8px);
     padding:3px 10px;
     border-radius:999px;
     background:var(--panel-input-bg, rgba(255,255,255,.9));
     border:1px solid var(--border, rgba(255,128,0,.18));
     font-size:.68rem;font-weight:700;letter-spacing:.3px;
     color:var(--accent-deep, #E06000);
     max-width:55%;
     white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
     opacity:0;pointer-events:none;
     transition:opacity .2s cubic-bezier(.22,1,.36,1), transform .25s cubic-bezier(.22,1,.36,1);
     box-shadow:0 4px 12px rgba(255,140,40,.18);
     z-index:2;
   }
   [data-theme="dark"] .mp-item-artist{color:var(--accent-2, #FFC178);box-shadow:0 4px 12px rgba(0,0,0,.5);}
   .mp-item:hover .mp-item-artist{opacity:1;transform:translateY(-50%) translateX(0);}
   
   .mp-item-actions{
     display:flex;gap:2px;
     flex:0 0 auto;
     opacity:.35;
     transition:opacity .2s;
   }
   .mp-item:hover .mp-item-actions,
   .mp-item-actions:has(.mp-item-fav.on){opacity:1;}
   
   .mp-item-actions button{
     width:26px;height:26px;border-radius:50%;
     display:grid;place-items:center;
     font-size:.85rem;color:var(--text-3, #B09680);
     background:transparent;border:none;
     cursor:pointer;
     transition:background .2s, color .2s, transform .15s;
   }
   .mp-item-actions button:hover{
     background:var(--accent-soft, rgba(255,128,0,.10));
     color:var(--accent, #FF8000);
     transform:scale(1.12);
   }
   .mp-item-fav.on{color:#FF5A7A;}
   .mp-item-fav.on:hover{color:#FF5A7A;background:rgba(255,90,122,.15);}
   .mp-item-del:hover{color:#FF5A5A;background:rgba(255,90,90,.12);}
   
   .mp-empty{padding:30px 20px;text-align:center;color:var(--text-2, #8A6A4A);font-size:.84rem;line-height:1.8;font-weight:600}
   .mp-empty code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--panel-input-bg, rgba(255,255,255,.9));color:var(--accent-deep, #E06000);padding:2px 6px;border-radius:5px;font-size:.78rem;border:1px solid var(--border, rgba(255,128,0,.18))}
   [data-theme="dark"] .mp-empty code{color:var(--accent-2, #FFC178)}
   
   .mp-empty-search{
     padding:30px 20px;text-align:center;
     color:var(--text-2, #8A6A4A);font-size:.82rem;font-weight:600;
     line-height:1.7;
   }
   .mp-empty-search b{color:var(--accent-deep, #E06000);font-weight:900;}
   [data-theme="dark"] .mp-empty-search b{color:var(--accent-2, #FFC178);}
   
   @media (max-width:520px){
     .music-player{right:16px;top:calc(var(--nav-h, 68px) + 12px)}
     .mp-toggle{width:46px;height:46px;font-size:1.2rem}
     .mp-panel{width:calc(100vw - 32px);top:58px;max-height:calc(100vh - var(--nav-h, 68px) - 80px)}
     .mp-head{gap:10px}
     .mp-cover{width:52px;height:52px;flex:0 0 52px;font-size:1.3rem}
     .mp-item{padding:10px 14px;}
     .mp-item-artist{right:68px;}
   }