:root{
  --pink:#ec4899; --rose:#f43f5e; --orange:#f97316; --violet:#7c3aed;
  --ink:#0f172a; --muted:#64748b; --line:#e5e7eb; --bg:#f6f7f9; --card:#fff;
  --grad:linear-gradient(135deg,#f43f5e,#ec4899 55%,#f97316);
}
*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;}
h1,h2,h3{margin:0;}
button{font-family:inherit;}

/* —— 导航 —— */
.gm-nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;
  padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);}
.gm-brand{font-weight:900;font-size:17px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.gm-nav-links{display:flex;gap:6px;flex:1;}
.gm-nav-link{padding:7px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-weight:700;font-size:14px;}
.gm-nav-link:hover{background:#f1f5f9;color:var(--ink);}
.gm-nav-link.active{background:var(--grad);color:#fff;}
/* 移动端汉堡：≤680px 把导航链接收进 ☰ 下拉，避免顶栏溢出 */
.gm-nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;line-height:1;padding:6px 11px;border-radius:10px;cursor:pointer;}
@media(max-width:680px){
  .gm-nav{gap:10px;}
  .gm-brand{margin-right:auto;white-space:nowrap;}
  .gm-nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .gm-nav-links{position:absolute;top:100%;left:0;right:0;flex:initial;flex-direction:column;gap:4px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px -16px rgba(15,23,42,.45);padding:8px;display:none;}
  .gm-nav.gm-nav-open .gm-nav-links{display:flex;}
  .gm-nav-link{padding:11px 14px;font-size:15px;border-radius:12px;}
}

.gm-main{max-width:860px;margin:0 auto;padding:20px 16px 60px;}
.gm-screen{animation:fade .2s ease;}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.gm-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.gm-head h2{font-size:22px;font-weight:900;}
.gm-credits{font-size:13px;font-weight:800;color:var(--violet);background:#f5f3ff;border:1px solid #ddd6fe;padding:5px 12px;border-radius:999px;}

/* —— 卡片 / 表单 —— */
.gm-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.04);}
.gm-field{display:block;margin-bottom:14px;}
.gm-label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:6px;}
.gm-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;outline:none;background:#fff;color:var(--ink);}
.gm-input:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(236,72,153,.12);}
textarea.gm-input{resize:vertical;line-height:1.6;font-family:inherit;}
.gm-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:560px){.gm-grid2{grid-template-columns:1fr;}}
.gm-switches{display:flex;flex-wrap:wrap;gap:14px;margin:6px 0 14px;}
.gm-toggle{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#334155;cursor:pointer;}
.gm-toggle input{width:16px;height:16px;accent-color:var(--violet);}
.gm-row{display:flex;align-items:center;}
.gm-row-right{display:flex;justify-content:flex-end;margin:-4px 0 12px;}
.gm-note{font-size:12.5px;color:var(--muted);line-height:1.6;}
.gm-error{font-size:13px;color:#b91c1c;}
.gm-subh{font-size:15px;font-weight:800;margin:18px 0 10px;}

/* —— 按钮 —— */
.gm-btn-primary{width:100%;border:0;border-radius:12px;padding:13px;font-size:15px;font-weight:900;color:#fff;cursor:pointer;background:var(--grad);box-shadow:0 8px 20px -10px rgba(236,72,153,.7);}
.gm-btn-primary:disabled{opacity:.6;cursor:default;}
.gm-btn-ghost{border:1px solid var(--line);background:#fff;color:#334155;font-weight:700;font-size:13px;padding:7px 12px;border-radius:10px;cursor:pointer;}
.gm-btn-ghost:hover{border-color:#cbd5e1;}
.gm-btn-ghost:disabled{opacity:.5;cursor:default;}
.gm-btn-ghost.sm{padding:5px 10px;font-size:12px;}
.gm-btn-play{border:0;background:var(--ink);color:#fff;font-weight:700;font-size:13px;padding:7px 14px;border-radius:10px;cursor:pointer;}

/* —— 进度条 —— */
.gm-bar{height:10px;background:#eef0f3;border-radius:999px;overflow:hidden;margin-top:8px;}
.gm-bar-fill{height:100%;width:2%;background:var(--grad);transition:width .4s ease;}
.gm-bar-fill.fail{background:#ef4444;}
.gm-bar-label{font-size:13px;font-weight:700;color:#334155;}

/* —— 歌曲卡片 —— */
.gm-song-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:620px){.gm-song-grid{grid-template-columns:1fr;}}
.gm-song-card,.gm-lib-card{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;}
.gm-song-card{flex-direction:column;}
.gm-cover{width:100%;aspect-ratio:1/1;border-radius:12px;background:#e2e8f0 center/cover no-repeat;flex-shrink:0;}
.gm-song-card .gm-cover{max-height:200px;}
.gm-cover.sm{width:84px;height:84px;aspect-ratio:auto;}
.gm-song-body{flex:1;min-width:0;}
.gm-song-title{font-weight:800;font-size:15px;}
.gm-song-meta{font-size:12px;color:var(--muted);margin-top:3px;}
.gm-lyrics{margin:10px 0 0;max-height:240px;overflow:auto;background:#0f172a;color:#e2e8f0;border-radius:10px;padding:12px;font-size:12px;line-height:1.7;white-space:pre-wrap;}
.gm-badge{display:inline-block;font-size:10px;font-weight:800;padding:2px 7px;border-radius:999px;background:#eef2ff;color:#4338ca;}
.gm-badge.ok{background:#dcfce7;color:#15803d;}
.gm-badge.muted{background:#f1f5f9;color:#64748b;}

/* —— 操作按钮区 —— */
.gm-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.gm-stem-panel{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;padding:8px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px;}

/* —— 门禁 —— */
.gm-gate{max-width:380px;margin:9vh auto 0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;text-align:center;box-shadow:0 20px 50px -30px rgba(15,23,42,.3);}
.gm-gate .gm-logo{font-size:42px;}
.gm-gate h1{font-size:24px;font-weight:900;margin:6px 0 8px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.gm-gate .gm-field{text-align:left;margin-top:16px;}
.gm-gate .gm-btn-primary{margin-top:6px;}

/* —— Toast —— */
.gm-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);
  background:#0f172a;color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;font-weight:600;
  opacity:0;pointer-events:none;transition:all .25s ease;z-index:50;max-width:90vw;}
.gm-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.gm-toast.success{background:#15803d;}
.gm-toast.error{background:#b91c1c;}
.gm-toast.warn{background:#b45309;}

/* ============ 我的音乐：暗紫播放器卡片（对齐 /music/my/） ============ */
.gm-pl-card{background:linear-gradient(135deg,#0f0f1e 0%,#1a0f2e 40%,#2a1a4e 100%);border:1px solid rgba(168,85,247,.25);border-radius:20px;padding:16px;margin-bottom:14px;color:#f5f3ff;position:relative;overflow:hidden;box-shadow:0 10px 30px -10px rgba(99,102,241,.35);transition:transform .2s,box-shadow .2s;}
.gm-pl-card::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 0%,rgba(236,72,153,.18) 0%,transparent 50%),radial-gradient(circle at 80% 100%,rgba(99,102,241,.2) 0%,transparent 55%);pointer-events:none;}
.gm-pl-card:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(168,85,247,.55);}
.gm-pl-card.playing{box-shadow:0 18px 44px -10px rgba(236,72,153,.6);}
.gm-pl-top{position:relative;display:flex;gap:16px;align-items:stretch;min-width:0;}
.gm-pl-cover{position:relative;width:120px;height:120px;flex-shrink:0;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#6366f1,#a855f7 50%,#ec4899) center/cover no-repeat;box-shadow:0 6px 20px -4px rgba(168,85,247,.5);cursor:pointer;}
@media(max-width:560px){.gm-pl-cover{width:84px;height:84px;}}
.gm-pl-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,rgba(0,0,0,.4) 30%,rgba(0,0,0,.15) 70%);border:0;color:#fff;cursor:pointer;opacity:0;transition:opacity .2s;font-size:34px;}
.gm-pl-cover:hover .gm-pl-play,.gm-pl-card.playing .gm-pl-play{opacity:1;}
.gm-pl-body{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:6px;}
.gm-pl-titlerow{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;}
.gm-pl-title{font-size:16px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gm-pl-fav{background:none;border:0;cursor:pointer;font-size:18px;line-height:1;flex-shrink:0;opacity:.85;}
.gm-pl-time-pill{display:inline-flex;align-items:center;gap:5px;margin-top:4px;padding:3px 8px;border:1px solid rgba(255,255,255,.08);border-radius:999px;background:rgba(255,255,255,.06);color:rgba(245,243,255,.58);font-size:12px;}
.gm-pl-sub{font-size:12px;color:rgba(245,243,255,.62);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gm-pl-score{font-size:12px;color:#fde68a;font-weight:700;}
.gm-pl-progress{height:5px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:auto;cursor:pointer;}
.gm-pl-progress-fill{height:100%;width:0;background:linear-gradient(90deg,#ec4899,#a855f7);transition:width .15s linear;}
.gm-pl-dur{font-size:11px;color:rgba(245,243,255,.5);}
/* 操作条 */
.gm-pl-bar{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;position:relative;}
.gm-bar-btn{display:inline-flex;align-items:center;gap:4px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#f5f3ff;font-size:12.5px;font-weight:600;padding:6px 11px;border-radius:10px;cursor:pointer;}
.gm-bar-btn:hover{background:rgba(255,255,255,.16);}
.gm-bar-btn.primary{background:linear-gradient(135deg,#f43f5e,#ec4899,#f97316);border:0;font-weight:800;}
.gm-menu{position:absolute;z-index:8;background:#fff;color:#111827;border-radius:12px;box-shadow:0 18px 50px rgba(0,0,0,.3);padding:6px;min-width:150px;}
.gm-menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 12px;border-radius:8px;font-size:13px;color:#334155;cursor:pointer;}
.gm-menu button:hover{background:#f1f5f9;}
.gm-menu button.danger{color:#dc2626;}

/* ============================================================
 * 分轨工作台 —— 对齐主站 /stem/ 页，
 * 套作用域 .gm-st-scope（无 Tailwind CDN，全自定义 class）。
 * 主站是 edge-to-edge 满屏 grid；gmw 渲染在 .gm-main(860px 列) 里，故把外层
 * 网格改为卡片式列布局（topbar / stage / bottom 三段竖排），其余视觉照搬。
 * ============================================================ */
.gm-st-scope{
  --stem-border:rgba(244,114,182,.24);--stem-text:#111827;--stem-muted:#6b7280;
  --stem-green:#10b981;--stem-pink:#ec4899;--stem-orange:#f97316;--stem-blue:#3b82f6;
  color:var(--stem-text);
}
.gm-st-scope .stem-app{width:100%;}
.gm-st-scope .stem-main{
  width:100%;display:flex;flex-direction:column;
  background:linear-gradient(135deg,#fff7ed 0%,#fdf2f8 48%,#f5f3ff 100%);
  border:1px solid rgba(244,114,182,.18);border-radius:20px;overflow:hidden;
  box-shadow:0 24px 70px rgba(236,72,153,.10);
}
.gm-st-scope .stem-topbar{
  display:grid;grid-template-columns:1fr;gap:14px;align-items:center;
  padding:22px 24px 14px;background:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(244,114,182,.18);
}
.gm-st-scope .stem-brand{display:flex;flex-wrap:wrap;align-items:center;gap:12px;min-width:0;}
.gm-st-scope .stem-badge{
  width:42px;height:42px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--stem-pink),var(--stem-orange));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 16px 38px rgba(236,72,153,.24);
}
.gm-st-scope .stem-badge svg{width:24px;height:24px;color:#fff;}
.gm-st-scope .stem-title-group{min-width:0;}
.gm-st-scope .stem-title{
  margin:0;font-size:clamp(22px,3vw,30px);line-height:1.2;font-weight:850;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-bottom:2px;
}
.gm-st-scope .stem-form{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.gm-st-scope .stem-source-tabs{
  height:42px;display:inline-flex;align-items:center;padding:3px;
  border:1px solid var(--stem-border);border-radius:999px;background:#f3f4f6;
}
.gm-st-scope .stem-source-tab{
  height:34px;border:0;border-radius:999px;background:transparent;color:#4b5563;
  padding:0 14px;font-size:13px;font-weight:750;cursor:pointer;white-space:nowrap;
}
.gm-st-scope .stem-source-tab[data-active="true"]{
  background:linear-gradient(135deg,#f43f5e,#ec4899,#f97316);color:#fff;
  box-shadow:0 10px 24px -16px rgba(236,72,153,.85);
}
.gm-st-scope .stem-source-wrap{position:relative;display:inline-flex;}
.gm-st-scope .stem-song-menu{
  position:absolute;top:calc(100% + 8px);left:0;z-index:30;width:300px;
  max-width:min(360px,calc(100vw - 32px));border:1px solid var(--stem-border);
  border-radius:12px;background:#fff;box-shadow:0 18px 50px rgba(148,63,105,.18);padding:10px;
}
.gm-st-scope .stem-song-menu[hidden]{display:none;}
.gm-st-scope .stem-song-search{
  width:100%;height:38px;border:1px solid var(--stem-border);border-radius:10px;
  background:#fff7fb;color:var(--stem-text);padding:0 10px;outline:0;box-sizing:border-box;
}
.gm-st-scope .stem-song-options{max-height:260px;overflow-y:auto;margin-top:8px;display:grid;gap:4px;}
.gm-st-scope .stem-song-option{
  width:100%;min-height:44px;border:0;border-radius:8px;background:transparent;color:#111827;
  display:grid;grid-template-columns:minmax(0,1fr);align-items:center;padding:8px 10px;
  text-align:left;cursor:pointer;
}
.gm-st-scope .stem-song-option:hover,
.gm-st-scope .stem-song-option[data-selected="true"]{background:linear-gradient(135deg,#fff1f2,#fff7ed);}
.gm-st-scope .stem-song-option small{color:#6b7280;font-size:12px;}
.gm-st-scope .stem-select{
  height:42px;border-radius:999px;border:1px solid var(--stem-border);background:#fff;
  color:var(--stem-text);padding:0 14px;font-size:14px;
}
.gm-st-scope .stem-cost-hint{align-self:center;font-size:13px;font-weight:800;color:#111827;}
.gm-st-scope .stem-cost-hint:empty{display:none;}
.gm-st-scope .stem-cost-hint s{color:#9ca3af;font-weight:600;margin-left:4px;}
.gm-st-scope .stem-cost-hint em{color:#be185d;font-style:normal;font-weight:800;}
.gm-st-scope .stem-cost-hint b{color:#be185d;}
.gm-st-scope .stem-pg-start{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 30px;
  border:0;border-radius:999px;background:linear-gradient(135deg,#f43f5e,#ec4899,#f97316);color:#fff;
  font-size:16px;font-weight:850;cursor:pointer;box-shadow:0 12px 28px rgba(236,72,153,.28);
}
.gm-st-scope .stem-pg-start svg{width:18px;height:18px;}
.gm-st-scope .stem-pg-start[hidden]{display:none;}

.gm-st-scope .stem-workspace{width:100%;padding:0;}
.gm-st-scope .stem-stage{display:flex;flex-direction:column;gap:10px;padding:14px 0;}
.gm-st-scope .stem-stage-head{
  min-height:32px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;
  align-items:center;padding:0 24px;color:#64748b;font-size:13px;
}
.gm-st-scope .stem-status{display:inline-flex;align-items:center;gap:8px;color:#111827;}
.gm-st-scope .stem-dot{width:8px;height:8px;border-radius:999px;background:var(--stem-green);box-shadow:0 0 0 5px rgba(16,185,129,.12);}
.gm-st-scope .stem-file-title{
  min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right;font-style:italic;
}
.gm-st-scope .stem-expire-note{
  min-width:0;text-align:center;color:#be185d;font-size:12px;font-weight:700;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.gm-st-scope .stem-expire-note[hidden]{display:none;}

/* 上传/排队/分轨 进度态 */
.gm-st-scope .stem-stage-progress{
  min-height:200px;width:min(720px,92%);margin:0 auto;display:grid;justify-items:center;
  align-content:center;gap:16px;text-align:center;
}
.gm-st-scope .stem-stage-progress[hidden]{display:none;}
.gm-st-scope .stem-pg-emoji{color:var(--stem-pink);line-height:0;}
.gm-st-scope .stem-pg-emoji svg{width:40px;height:40px;}
.gm-st-scope .stem-pg-emoji .stem-spin{transform-origin:center;animation:stem-spin .9s linear infinite;}
@keyframes stem-spin{to{transform:rotate(360deg);}}
.gm-st-scope .stem-pg-title{color:#111827;font-size:18px;font-weight:800;}
.gm-st-scope .stem-pg-bar{width:min(520px,100%);height:10px;border-radius:999px;background:rgba(236,72,153,.12);overflow:hidden;}
.gm-st-scope .stem-pg-bar[hidden]{display:none;}
.gm-st-scope .stem-pg-fill{display:block;height:100%;width:0%;border-radius:inherit;background:linear-gradient(90deg,#f43f5e,#ec4899,#f97316);transition:width .2s ease;}
.gm-st-scope .stem-pg-bar[data-indeterminate="true"] .stem-pg-fill{width:38%;animation:stem-pg-slide 1.1s ease-in-out infinite;}
@keyframes stem-pg-slide{0%{transform:translateX(-120%);}100%{transform:translateX(330%);}}
.gm-st-scope .stem-pg-hint{color:#6b7280;font-size:13px;line-height:1.5;}
.gm-st-scope .stem-pg-hint[hidden]{display:none;}

/* 轨道 */
.gm-st-scope .stem-tracks{
  position:relative;display:flex;flex-direction:column;width:100%;overflow:hidden;
  border-top:1px solid rgba(244,114,182,.18);border-bottom:1px solid rgba(244,114,182,.18);
}
.gm-st-scope .stem-tracks[hidden]{display:none;}
.gm-st-scope .stem-track-list{display:flex;flex-direction:column;}
.gm-st-scope .stem-playhead{
  position:absolute;top:0;bottom:0;left:0;width:2px;z-index:5;background:#111827;
  box-shadow:0 0 0 1px rgba(255,255,255,.55),0 0 18px rgba(236,72,153,.28);
  transform:translateX(0);pointer-events:none;
}
.gm-st-scope .stem-playhead[hidden]{display:none;}
.gm-st-scope .stem-playhead span{
  position:absolute;top:8px;left:8px;padding:3px 6px;border-radius:999px;background:rgba(17,24,39,.88);
  color:#fff;font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.gm-st-scope .stem-track{
  min-height:58px;display:grid;grid-template-columns:168px minmax(0,1fr) auto;align-items:stretch;
  background:#fff;border-top:1px solid rgba(244,114,182,.14);
}
.gm-st-scope .stem-track:first-child{border-top:0;}
.gm-st-scope .stem-track-left{display:flex;align-items:center;gap:12px;padding:0 16px;background:linear-gradient(135deg,#fff,#fff7ed);}
.gm-st-scope .stem-track-name{
  min-width:0;color:#111827;font-size:16px;line-height:1.1;font-weight:650;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.gm-st-scope .stem-mute{
  width:42px;height:42px;border:0;border-radius:50%;color:#fff;flex:none;
  background:linear-gradient(135deg,#f43f5e,#ec4899,#f97316);display:inline-flex;align-items:center;
  justify-content:center;cursor:pointer;box-shadow:inset 0 -2px 8px rgba(0,0,0,.18);
}
.gm-st-scope .stem-mute[data-muted="true"]{color:#64748b;background:#f1f5f9;box-shadow:none;}
.gm-st-scope .stem-mute svg{width:20px;height:20px;}
.gm-st-scope .stem-wave{
  position:relative;min-width:0;display:grid;grid-template-columns:repeat(96,minmax(2px,1fr));gap:2px;
  align-items:center;padding:0 24px;background:linear-gradient(135deg,#dcfce7,#ecfdf5);
}
.gm-st-scope .stem-track:nth-child(2n) .stem-wave{background:linear-gradient(135deg,#ede9fe,#eff6ff);}
.gm-st-scope .stem-track:nth-child(3n) .stem-wave{background:linear-gradient(135deg,#fce7f3,#fff7ed);}
.gm-st-scope .stem-wave::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.04),transparent 18%,transparent 82%,rgba(0,0,0,.14));
  pointer-events:none;
}
.gm-st-scope .stem-wave span{min-height:4px;border-radius:99px;background:#10b981;opacity:.92;z-index:1;}
.gm-st-scope .stem-track:nth-child(2n) .stem-wave span{background:#6366f1;}
.gm-st-scope .stem-track:nth-child(3n) .stem-wave span{background:#ec4899;}
.gm-st-scope .stem-track-dl{
  align-self:center;margin:0 12px;width:40px;height:40px;border:1px solid var(--stem-border);
  border-radius:50%;background:#fff;color:#ec4899;display:inline-flex;align-items:center;
  justify-content:center;cursor:pointer;flex:none;
}
.gm-st-scope .stem-track-dl:hover{background:#fff1f7;}
.gm-st-scope .stem-track-dl svg{width:19px;height:19px;}
.gm-st-scope .stem-track-dl[disabled]{cursor:default;opacity:.8;}
.gm-st-scope .stem-dl-spin{
  width:18px;height:18px;border:2px solid rgba(236,72,153,.3);border-top-color:#ec4899;
  border-radius:50%;animation:stem-spin .8s linear infinite;
}
.gm-st-scope .stem-empty{
  min-height:200px;border:1px dashed rgba(236,72,153,.28);border-radius:10px;display:grid;
  place-items:center;color:var(--stem-muted);background:rgba(255,255,255,.62);text-align:center;padding:24px;
}

/* 底部播放/下载条 */
.gm-st-scope .stem-bottom{
  border-top:1px solid var(--stem-border);background:rgba(255,255,255,.9);display:grid;
  grid-template-columns:1fr auto;gap:18px;align-items:center;padding:18px 24px;
}
.gm-st-scope .stem-transport{min-width:0;display:grid;grid-template-columns:120px 42px minmax(0,1fr) 108px;gap:14px;align-items:center;}
.gm-st-scope .stem-play{
  height:56px;border:0;border-radius:999px;background:linear-gradient(135deg,#f43f5e,#ec4899,#f97316);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 10px 24px rgba(236,72,153,.22);transition:background .16s ease,box-shadow .16s ease;
}
.gm-st-scope .stem-play[data-playing="true"]{background:linear-gradient(135deg,#ec4899,#f97316);box-shadow:0 14px 30px rgba(236,72,153,.32);}
.gm-st-scope .stem-play[data-loading="true"]{background:#7c2d5a;}
.gm-st-scope .stem-play:disabled{opacity:.48;cursor:default;}
.gm-st-scope .stem-play svg{width:24px;height:24px;}
.gm-st-scope .stem-play[data-playing="true"] [data-icon-play]{display:none;}
.gm-st-scope .stem-play:not([data-playing="true"]) [data-icon-pause]{display:none;}
.gm-st-scope .stem-play [data-icon-loading]{display:none;transform-origin:center;animation:stem-spin .8s linear infinite;}
.gm-st-scope .stem-play[data-loading="true"] [data-icon-loading]{display:inline-block;}
.gm-st-scope .stem-play[data-loading="true"] [data-icon-play],
.gm-st-scope .stem-play[data-loading="true"] [data-icon-pause]{display:none;}
.gm-st-scope .stem-skip{width:38px;height:38px;border:0;background:transparent;color:#4b5563;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.gm-st-scope .stem-skip svg{width:19px;height:19px;}
.gm-st-scope .stem-progress-wrap{min-width:0;display:grid;gap:7px;}
.gm-st-scope .stem-buffer{height:4px;border-radius:999px;overflow:hidden;background:rgba(236,72,153,.12);}
.gm-st-scope .stem-buffer span{display:block;width:0%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--stem-green),var(--stem-blue));transition:width .18s ease;}
.gm-st-scope .stem-progress{width:100%;accent-color:var(--stem-pink);}
.gm-st-scope .stem-time{color:#64748b;text-align:right;font-variant-numeric:tabular-nums;font-size:13px;}
.gm-st-scope .stem-download{display:flex;align-items:center;justify-content:flex-end;gap:10px;}
.gm-st-scope .stem-download[hidden]{display:none;}
.gm-st-scope .stem-save{
  height:56px;min-width:154px;border:0;border-radius:999px;background:linear-gradient(135deg,#10b981,#059669);
  color:#fff;font-size:17px;font-weight:750;cursor:pointer;box-shadow:0 10px 24px rgba(16,185,129,.26);
}
.gm-st-scope .stem-save:disabled{opacity:.5;cursor:default;}
.gm-st-scope .stem-zip-progress{display:flex;align-items:center;gap:10px;min-width:200px;flex:1 1 240px;max-width:360px;}
.gm-st-scope .stem-zip-progress[hidden]{display:none;}
.gm-st-scope .stem-zip-bar{position:relative;flex:1 1 auto;height:8px;border-radius:999px;background:#e5e7eb;overflow:hidden;}
.gm-st-scope .stem-zip-bar span{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:999px;background:linear-gradient(135deg,#10b981,#059669);transition:width .2s ease;}
.gm-st-scope .stem-zip-bar[data-indeterminate="true"] span{width:40%!important;animation:stem-zip-slide 1.1s ease-in-out infinite;}
@keyframes stem-zip-slide{0%{left:-40%;}100%{left:100%;}}
.gm-st-scope .stem-zip-label{flex:none;font-size:13px;font-weight:700;color:#059669;white-space:nowrap;}

@media(max-width:640px){
  .gm-st-scope .stem-topbar{padding:16px 14px 12px;}
  .gm-st-scope .stem-stage-head{padding-left:14px;padding-right:14px;}
  .gm-st-scope .stem-form{display:grid;grid-template-columns:1fr 1fr;}
  .gm-st-scope .stem-source-wrap{grid-column:1 / -1;}
  .gm-st-scope .stem-song-menu{width:auto;left:0;right:0;max-width:none;}
  .gm-st-scope .stem-cost-hint{grid-column:1 / -1;text-align:center;white-space:normal;line-height:1.5;}
  .gm-st-scope .stem-track{grid-template-columns:88px minmax(0,1fr) auto;}
  .gm-st-scope .stem-track-left{padding:0 10px;gap:8px;}
  .gm-st-scope .stem-track-name{font-size:14px;}
  .gm-st-scope .stem-mute{width:32px;height:32px;}
  .gm-st-scope .stem-mute svg{width:15px;height:15px;}
  .gm-st-scope .stem-wave{padding:0 12px;grid-template-columns:repeat(48,minmax(2px,1fr));}
  .gm-st-scope .stem-track-dl{width:34px;height:34px;margin:0 8px;}
  .gm-st-scope .stem-bottom{grid-template-columns:1fr;grid-template-rows:auto auto;padding:14px;}
  .gm-st-scope .stem-transport{grid-template-columns:56px 30px minmax(0,1fr);gap:10px;}
  .gm-st-scope .stem-time{grid-column:1 / -1;text-align:left;}
  .gm-st-scope .stem-play{height:46px;}
  .gm-st-scope .stem-download{display:grid;grid-template-columns:1fr;}
  .gm-st-scope .stem-save{width:100%;}
}

/* 门禁：获取 Key 链接 */
.gm-gate-link{display:inline-block;margin-top:14px;font-size:13px;font-weight:700;color:var(--pink);text-decoration:none;}
.gm-gate-link:hover{text-decoration:underline;}

/* ============ 按需登录 ============ */
/* 顶部登录控件 */
.gm-auth{display:flex;align-items:center;gap:8px;}
.gm-auth-on{font-size:12px;font-weight:800;color:var(--violet);background:#f5f3ff;border:1px solid #ddd6fe;padding:5px 10px;border-radius:999px;}
/* 登录弹窗 */
.gm-modal{position:fixed;inset:0;z-index:1000;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;padding:16px;}
.gm-modal-card{background:#fff;border-radius:20px;padding:26px;width:min(380px,94vw);box-shadow:0 30px 70px -20px rgba(0,0,0,.4);}
.gm-modal-card .gm-field{text-align:left;}
/* 内联「需要登录」提示 */
.gm-keyprompt{max-width:420px;margin:6vh auto 0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;text-align:center;box-shadow:0 10px 40px -24px rgba(15,23,42,.3);}
.gm-keyprompt h2{font-size:20px;font-weight:900;margin:8px 0 6px;}
.gm-keyprompt .gm-field{text-align:left;margin-top:14px;}

/* ============================================================
 * 对齐 /music/create/ 页：
 * 它用的 Tailwind 工具类来自站点预编译包，这里把创作表单用到的
 * 工具类 + 自定义类一并补齐，使 markup 可逐字照搬、零第三方依赖。
 * ============================================================ */
/* —— Tailwind 工具类子集（创作表单用到的） —— */
.cf-scope .w-full{width:100%;}
.cf-scope .block{display:block;}
.cf-scope .hidden{display:none;}
.cf-scope .relative{position:relative;}
.cf-scope .flex{display:flex;}
.cf-scope .items-center{align-items:center;}
.cf-scope .gap-2{gap:8px;}
.cf-scope .px-4{padding-left:16px;padding-right:16px;}
.cf-scope .px-5{padding-left:20px;padding-right:20px;}
.cf-scope .px-2\.5{padding-left:10px;padding-right:10px;}
.cf-scope .py-1{padding-top:4px;padding-bottom:4px;}
.cf-scope .py-2{padding-top:8px;padding-bottom:8px;}
.cf-scope .py-2\.5{padding-top:10px;padding-bottom:10px;}
.cf-scope .py-3{padding-top:12px;padding-bottom:12px;}
.cf-scope .py-4{padding-top:16px;padding-bottom:16px;}
.cf-scope .pt-3{padding-top:12px;}
.cf-scope .pb-3{padding-bottom:12px;}
.cf-scope .mb-2{margin-bottom:8px;}
.cf-scope .rounded-xl{border-radius:12px;}
.cf-scope .rounded-lg{border-radius:8px;}
.cf-scope .rounded-full{border-radius:9999px;}
.cf-scope .border{border-width:1px;border-style:solid;}
.cf-scope .border-t{border-top-width:1px;border-top-style:solid;}
.cf-scope .border-gray-100{border-color:#f3f4f6;}
.cf-scope .border-gray-200{border-color:#e5e7eb;}
.cf-scope .border-gray-300{border-color:#d1d5db;}
.cf-scope .outline-none{outline:none;}
.cf-scope .overflow-hidden{overflow:hidden;}
.cf-scope .resize-none{resize:none;}
.cf-scope .transition,.cf-scope .transition-all,.cf-scope .transition-colors{transition:all .15s ease;}
.cf-scope .font-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}
.cf-scope .font-bold{font-weight:700;}
.cf-scope .font-semibold{font-weight:600;}
.cf-scope .text-base{font-size:16px;}
.cf-scope .text-sm{font-size:14px;}
.cf-scope .text-xs{font-size:12px;}
.cf-scope .leading-relaxed{line-height:1.625;}
.cf-scope .text-white{color:#fff;}
.cf-scope .text-gray-500{color:#6b7280;}
.cf-scope .text-gray-600{color:#4b5563;}
.cf-scope .text-gray-700{color:#374151;}
.cf-scope .select-none{user-select:none;}
.cf-scope .cursor-pointer{cursor:pointer;}
.cf-scope .shadow-lg{box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);}
.cf-scope textarea,.cf-scope input[type=text]{box-sizing:border-box;background:#fff;color:#111827;font-family:inherit;}
.cf-scope textarea:focus,.cf-scope input:focus{border-color:#f43f5e;box-shadow:0 0 0 3px #ffe4e6;}
.cf-scope .focus\:border-rose-500:focus,.cf-scope .focus-within\:border-rose-500:focus-within{border-color:#f43f5e;}
/* —— 创作页自定义类（逐字搬） —— */
.cf-scope .bg-gradient-to-r.from-rose-500.via-pink-500.to-orange-500{background-image:linear-gradient(to right,#f43f5e 0%,#ec4899 50%,#f97316 100%);}
.cf-scope .hover\:from-rose-600:hover{background-image:linear-gradient(to right,#e11d48 0%,#db2777 50%,#ea580c 100%);}
.cf-scope .mode-switch{display:inline-flex;gap:6px;background:#f3f4f6;border-radius:12px;padding:4px;}
.cf-scope .mode-tab{transition:all .15s ease;cursor:pointer;border:0;}
.cf-scope .tag-btn{cursor:pointer;}
.cf-scope .tag-btn:hover{background-color:#ffe4e6 !important;color:#be123c !important;border-color:#fda4af !important;}
.cf-scope .tag-btn.tag-selected{background:#6366f1 !important;color:#fff !important;border-color:#6366f1 !important;}
/* 清空按钮：默认隐藏，有内容(.is-visible)才显示——逐字对齐主站行为。 */
.cf-scope .hh-clear-btn{position:absolute;right:10px;bottom:8px;z-index:3;display:none;align-items:center;height:24px;padding:0 9px;border-radius:999px;border:1px solid #e5e7eb;background:rgba(255,255,255,.92);color:#9ca3af;font-size:11px;font-weight:700;cursor:pointer;}
.cf-scope .hh-clear-btn.is-visible{display:inline-flex;}
.cf-scope .hh-clear-btn:hover{color:#be123c;border-color:#fecdd3;}
.cf-scope .hh-lyric-tag{flex:0 0 auto;padding:3px 10px;border-radius:999px;border:1px solid #e5e7eb;background:rgba(255,255,255,.92);color:#6b7280;font-size:11px;font-weight:800;cursor:pointer;transition:all .14s ease;}
.cf-scope .hh-lyric-tag:hover{border-color:#fda4af;color:#be123c;background:#fff1f2;}
.cf-card{max-width:760px;margin:0 auto;background:#fff;border:1px solid #f3f4f6;border-radius:24px;padding:22px;box-shadow:0 1px 2px rgba(15,23,42,.04);}
@media(max-width:640px){.cf-card{padding:16px;border-radius:18px;}}
/* —— 创作页：傻瓜/专业新增交互元素（逐字搬自 create.html <style>） —— */
.cf-scope .mode-switch{display:inline-flex;gap:6px;background:#f3f4f6;border-radius:12px;padding:4px;}
.cf-scope .mode-tab{transition:all .15s ease;cursor:pointer;border:0;}
.cf-scope .px-5{padding-left:20px;padding-right:20px;}
.cf-scope .py-2{padding-top:8px;padding-bottom:8px;}
.cf-scope .style-preset-chip:hover{filter:brightness(0.97);}
.cf-scope .pro-ai-result{margin-top:10px;border:1px solid #fecdd3;border-radius:14px;background:#fff;overflow:hidden;}
.cf-scope .pro-ai-result textarea{margin:0;padding:12px;width:100%;min-height:220px;border:0;outline:none;resize:vertical;white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.65;color:#374151;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;box-sizing:border-box;}
.cf-scope .pro-ai-result textarea:focus{box-shadow:inset 0 0 0 2px #fecdd3;}
.cf-scope .pro-ai-result-actions{display:flex;gap:8px;flex-wrap:wrap;padding:10px 12px;border-top:1px solid #fecdd3;background:#fff1f2;}
/* 「最优风格推荐」柔和呼吸光晕（弱化版，逐字搬主站 hhBestStylePulse） */
@keyframes hhBestStylePulse{0%,100%{box-shadow:0 6px 16px -10px rgba(124,58,237,.45);}50%{box-shadow:0 8px 20px -8px rgba(236,72,153,.55);}}
.cf-scope #proBestStyleBtn:not(:disabled){animation:hhBestStylePulse 2.8s ease-in-out infinite;}
@media (prefers-reduced-motion: reduce){.cf-scope #proBestStyleBtn{animation:none !important;}}

/* ============================================================
 * 编曲房（studio.js）—— 逐字搬自 /music/studio/ 的 .st-chip。
 * .st-wrap 限定作用域，其余样式直接写在 studio.js 内联。
 * ============================================================ */
.st-wrap{max-width:740px;margin:0 auto;padding:18px 16px 60px;font-family:inherit;}
.st-wrap .st-chip{padding:6px 13px;border:1px solid #e5e7eb;background:#fff;color:#4b5563;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .15s;}
.st-wrap .st-chip:active{transform:scale(.96);}
@media (hover:hover){.st-wrap .st-chip:hover{border-color:#fbcfe8;color:#be123c;background:#fff7fb;}}