:root{
    --bg:#f6f7f9; --panel:#fff; --fg:#16181d; --muted:#666e7a;
    --line:#e3e6ea; --accent:#d64545; --accent-fg:#fff; --code:#f0f2f5;
  }
  @media (prefers-color-scheme:dark){
    :root{
      --bg:#101216; --panel:#181b21; --fg:#e8eaed; --muted:#9aa2ad;
      --line:#282d36; --accent:#e05757; --accent-fg:#fff; --code:#0d0f13;
    }
  }
  *{box-sizing:border-box}
  body{
    margin:0; min-height:100vh; background:var(--bg); color:var(--fg);
    font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Thai",sans-serif;
    display:flex; align-items:flex-start; justify-content:center; padding:24px;
  }
  .card{
    width:100%; max-width:480px; background:var(--panel);
    border:1px solid var(--line); border-radius:16px; padding:28px;
  }
  h1{margin:0 0 4px; font-size:1.5rem; letter-spacing:-.01em}
  .sub{margin:0 0 22px; color:var(--muted); font-size:.9rem}
  h2{margin:0 0 12px; font-size:.8rem; text-transform:uppercase;
     letter-spacing:.08em; color:var(--muted); font-weight:600}
  .status{display:flex; align-items:center; gap:9px;
          font-size:.875rem; color:var(--muted); margin-bottom:14px}
  .dot{width:9px; height:9px; border-radius:50%; background:var(--muted); flex:none}
  .dot.live{background:var(--accent); animation:pulse 2s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  button{
    width:100%; padding:14px; font:inherit; font-weight:600; cursor:pointer;
    background:var(--accent); color:var(--accent-fg);
    border:none; border-radius:10px; transition:opacity .15s;
  }
  button:hover:not(:disabled){opacity:.88}
  button:disabled{opacity:.45; cursor:not-allowed}
  button.secondary{background:transparent; color:var(--fg); border:1px solid var(--line)}
  section{margin-top:26px; border-top:1px solid var(--line); padding-top:22px}
  input[type=password],input[type=text]{
    width:100%; padding:11px 12px; font:inherit; margin-bottom:10px;
    background:var(--code); color:var(--fg);
    border:1px solid var(--line); border-radius:8px;
  }
  ul{list-style:none; margin:0; padding:0}
  li{display:flex; align-items:center; gap:10px; padding:10px 0;
     border-bottom:1px solid var(--line); font-size:.875rem}
  li:last-child{border-bottom:none}
  li .meta{flex:1; min-width:0}
  li .when{display:block; font-weight:600}
  li .detail{display:block; color:var(--muted); font-size:.8rem}
  li button{width:auto; padding:7px 12px; font-size:.8rem; font-weight:500}
  .empty{color:var(--muted); font-size:.875rem}
  .hint{font-size:.75rem; color:var(--muted); margin:-4px 0 10px}
  #player{width:100%; margin-bottom:16px}
  .nowPlaying{font-size:.8rem; color:var(--muted); margin-bottom:6px}
  li.playing .when{color:var(--accent)}
  li.bot .when{color:var(--muted); font-weight:500}
  .tag{font-size:.7rem; padding:2px 7px; border-radius:99px;
       border:1px solid var(--line); color:var(--muted); white-space:nowrap}
  .btnrow{display:flex; gap:8px; margin-bottom:8px}
  .btnrow button{flex:1}
  .vol{display:flex; align-items:center; gap:10px; font-size:.8rem;
       color:var(--muted); margin:6px 0 10px}
  .vol input{flex:1}
  .warn{font-size:.75rem; color:var(--muted); background:var(--code);
        border:1px solid var(--line); border-radius:8px; padding:8px 10px; margin-top:8px}
  #queue li .when{font-weight:500}
  #queue li.cur .when{color:var(--accent)}
  .err{color:var(--accent); font-size:.8rem; margin-top:8px; min-height:1.2em}
  details{margin-top:26px; border-top:1px solid var(--line); padding-top:18px}
  summary{cursor:pointer; color:var(--muted); font-size:.875rem; user-select:none}
  pre{background:var(--code); border:1px solid var(--line); border-radius:8px;
      padding:12px; margin:12px 0 0; overflow-x:auto; font-size:.75rem; line-height:1.5}
  code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
  .practice-times{display:grid; grid-template-columns:1fr 1fr; gap:10px}
  .practice-times label{font-size:.8rem; color:var(--muted)}
  .practice-times button{padding:8px; font-size:.8rem}
  #practiceLoop[aria-pressed=true]{background:var(--accent); color:var(--accent-fg)}
  #practiceFavorites li{flex-wrap:wrap}
  #practiceFavorites .meta{flex-basis:100%; overflow-wrap:anywhere}
  #practiceFavorites a{color:var(--muted); font-size:.8rem}
  @media(max-width:380px){body{padding:12px}.card{padding:18px}}
  .page-nav{display:flex; gap:8px; margin:0 0 22px}
  .page-nav a{flex:1; text-align:center; padding:10px 8px; border:1px solid var(--line);
              border-radius:10px; color:var(--fg); text-decoration:none; font-size:.875rem}
  .page-nav a[aria-current=page]{background:var(--accent); color:var(--accent-fg); border-color:var(--accent)}
  .page-nav a:hover{opacity:.85}

/* Practice library: keep the main live page's compact layout. */
.practice-page{padding:36px 28px}
.practice-shell{width:100%; max-width:1180px; min-width:0}
.practice-header{display:flex; justify-content:space-between; gap:24px; align-items:center; margin-bottom:28px}
.practice-header h1{font-size:2rem; letter-spacing:-.04em}
.practice-header .sub{margin:6px 0 0}
.eyebrow{font-size:.65rem; font-weight:700; letter-spacing:.16em; color:var(--muted); margin:0 0 8px}
.practice-header .page-nav{margin:0; min-width:280px}
.practice-layout{display:grid; grid-template-columns:minmax(0,1.25fr) minmax(340px,1fr); align-items:start; gap:24px}
.practice-layout section{margin:0; padding:24px; border:1px solid var(--line); border-radius:18px; background:var(--panel); min-width:0}
.practice-controls{position:sticky; top:24px; scroll-margin-top:20px}
.panel-heading{display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:24px}
.panel-heading h2{margin:0; color:var(--fg); font-size:1.2rem; letter-spacing:-.025em; text-transform:none; overflow-wrap:anywhere}
.panel-heading .eyebrow{margin-bottom:5px}
.count-badge{display:inline-flex; align-items:center; justify-content:center; font-size:.75rem; background:var(--code); color:var(--muted); border-radius:8px; min-width:28px; padding:3px 7px; vertical-align:middle; margin-left:4px}
.compact-button{width:auto; padding:9px 14px; font-size:.85rem; white-space:nowrap}
.room-badge{font-size:.7rem; border:1px solid var(--line); color:var(--muted); padding:4px 10px; border-radius:99px; white-space:nowrap}
.library-search{display:flex; align-items:center; gap:8px; margin-bottom:14px}
.library-search input{width:100%; min-width:0; background:var(--code); color:var(--fg); border:1px solid var(--line); border-radius:10px; padding:12px 14px; font:inherit; font-size:.875rem}
.library-search button{width:auto; padding:10px; font-size:.8rem}
.library-toolbar{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap}
.library-toolbar label{display:flex; align-items:center; gap:6px; color:var(--muted); font-size:.75rem}
.library-toolbar select{max-width:100%; background:var(--panel); color:var(--fg); border:1px solid var(--line); border-radius:7px; padding:7px; font:inherit; cursor:pointer}
.library-summary{font-size:.75rem; color:var(--muted); margin:20px 0 8px}
.practice-page #practiceFavorites li{flex-wrap:nowrap; gap:12px; padding:16px 10px; border-radius:10px; border-bottom:1px solid var(--line)}
.practice-page #practiceFavorites li.selected{background:rgba(214,69,69,.07); box-shadow:inset 3px 0 0 var(--accent)}
.practice-page #practiceFavorites .meta{flex:1; min-width:0}
.practice-page #practiceFavorites .when{font-size:.9rem; line-height:1.45; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.practice-page #practiceFavorites .detail{margin-top:4px; font-size:.75rem; font-variant-numeric:tabular-nums}
.practice-page #practiceFavorites a{font-size:.7rem; text-decoration:none}
.practice-page #practiceFavorites a:hover{text-decoration:underline}
.favorite-number{flex:none; display:grid; place-items:center; width:34px; height:38px; border-radius:9px; background:var(--code); color:var(--muted); font-size:1.15rem}
.favorite-actions{display:flex; flex-direction:column; gap:6px; flex:none}
.practice-page #practiceFavorites .favorite-select{font-size:.75rem; min-height:36px; padding:6px 10px}
.practice-page #practiceFavorites .favorite-select[aria-pressed=true]{color:var(--accent); border-color:var(--accent)}
.practice-page #practiceFavorites .favorite-delete{padding:3px 8px; min-height:30px; border-color:transparent; color:var(--muted); font-size:.7rem}
.library-empty{text-align:center; padding:46px 12px; color:var(--muted)}
.library-empty>span{font-size:2rem}
.library-empty p{margin:8px 0}
.library-pagination{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:20px}
.library-pagination[hidden],.library-empty[hidden]{display:none}
.library-pagination button{width:auto; padding:8px 12px; font-size:.8rem}
.library-pagination span{font-size:.75rem; color:var(--muted); white-space:nowrap}
.library-footnote{font-size:.7rem; color:var(--muted); margin:22px 0 0; text-align:center}
.practice-controls label{font-size:.8rem; color:var(--muted)}
.practice-controls input[type=text]{font-size:.9rem}
.practice-controls #practiceLoad{margin:2px 0 8px; font-size:.9rem}
.practice-now{background:var(--code); border-radius:10px; padding:12px; margin:10px 0 22px; min-height:48px; overflow-wrap:anywhere}
.practice-controls .btnrow{display:grid; grid-template-columns:1fr 1fr}
.practice-controls #practiceLoop{grid-column:1/-1}
.practice-controls .btnrow button{padding:10px; font-size:.875rem}
.practice-controls .vol{margin:16px 0 12px}
.practice-controls .vol input{min-width:0}
.practice-controls #practiceStop{font-size:.8rem; padding:9px; margin-bottom:12px}
.practice-controls #practiceLoopState{margin:0; line-height:1.6}
.save-favorite{margin-top:22px; padding-top:20px; border-top:1px solid var(--line)}
.save-favorite button{font-size:.85rem; padding:10px}
.practice-help{border-top:1px solid var(--line); padding-top:14px; margin:12px 0 0; line-height:1.8}
.sr-only{position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0}
.practice-page :focus-visible{outline:2px solid var(--accent); outline-offset:3px}
@media(max-width:800px){
  .practice-page{padding:22px 16px}
  .practice-header{display:block; margin-bottom:20px}
  .practice-header h1{font-size:1.65rem}
  .practice-header .page-nav{min-width:0; margin-top:20px}
  .practice-layout{grid-template-columns:minmax(0,1fr); gap:18px}
  .practice-controls{position:static}
  .practice-layout section{padding:20px}
}
@media(max-width:380px){
  .practice-page{padding:16px 10px}
  .practice-layout section{padding:16px}
  .practice-page #practiceFavorites li{padding:14px 5px; gap:8px}
  .favorite-number{display:none}
  .panel-heading{gap:8px}
  .panel-heading h2{font-size:1.1rem}
  .compact-button{padding:8px 10px}
}
@media(prefers-reduced-motion:reduce){.practice-page *{scroll-behavior:auto!important}}