* { margin: 0; padding: 0; box-sizing: border-box; }
    button, input, select, textarea { font-family: inherit; }

    html {
      overflow-x: hidden;
      width: 100%;
      max-width: 100vw;
    }

    :root{
      --bg-primary:#000;
      --bg-secondary:#111;
      --bg-tertiary:#222;
      --text-primary:#fff;
      --text-secondary:#999;
      --text-tertiary:#666;
      --text-muted:#555;
      --text-dimmed:#444;
      --border-color:#222;
      --accent:#fff;
      --scrollbar-track:#111;
      --scrollbar-thumb:#333;
      --welcome-glow: rgba(255,255,255,0.03);

      --player-bg: rgba(17,17,17,0.95);
      --player-hover: rgba(34,34,34,0.95);
    }

    body.light-mode{
      --bg-primary:#f4fcff;
      --bg-secondary:#fff;
      --bg-tertiary:#f0f0f0;
      --text-primary:#0f172a;
      --text-secondary:#64748b;
      --text-tertiary:#94a3b8;
      --text-muted:#cbd5e1;
      --text-dimmed:#e2e8f0;
      --border-color:#e2e8f0;
      --accent:#0f172a;
      --scrollbar-track:#f1f5f9;
      --scrollbar-thumb:#cbd5e1;
      --welcome-glow: rgba(15,23,42,0.03);

      --player-bg: rgba(255,255,255,0.95);
      --player-hover: rgba(240,240,240,0.95);
    }

    body{
      font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','SF Pro Display','Helvetica Neue',Arial,sans-serif;
      background:var(--bg-primary);
      color:var(--text-tertiary);
      overflow-x: hidden;
      width: 100%;
      max-width: 100vw;
      height:100vh;
      height:100dvh;
      -webkit-tap-highlight-color:transparent;
      display:flex;
      flex-direction:column;
      transition: background-color .3s ease, color .3s ease;
    }


    /* MODE SWITCH + SCROLL FEED (Latch-style "reading now") */
    .mode-bar{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;padding:14px 24px;background:var(--bg-primary)}
    .brand{justify-self:start;display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-primary)}
    .brand__logo{--d:48px;flex:0 0 auto;display:block;width:var(--d);height:var(--d);border-radius:50%;background:#000 url("brand-mark.svg") no-repeat center / cover;border:1px solid var(--border-color)}
    .brand span{font-size:20px;font-weight:700;letter-spacing:-.02em}
    .brand:focus-visible{outline:2px solid var(--text-primary);outline-offset:4px;border-radius:8px}
    .mode-switch{display:inline-flex;gap:4px;padding:5px;border-radius:16px;background:var(--bg-tertiary);border:1px solid var(--border-color)}
    .mode-switch button{border:0;background:none;color:var(--text-secondary);font:inherit;font-size:16px;font-weight:500;padding:11px 26px;border-radius:12px;cursor:pointer;transition:background-color .2s,color .2s}
    .mode-switch button[aria-selected="true"]{background:var(--bg-primary);color:var(--text-primary);box-shadow:inset 0 0 0 2px var(--text-primary)}
    .mode-switch button:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px}
    body:not(.mode-feed) .feed-view{display:none}
    body.mode-feed .book-container,body.mode-feed #progressBar,body.mode-feed #stats,
    body.mode-feed .wpm-control,body.mode-feed #playPause,body.mode-feed #restart{display:none!important}
    .feed-view{flex:1;min-height:0;position:relative;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;background:var(--bg-primary)}
    .feed-bar{position:sticky;top:0;z-index:5;height:3px;background:var(--border-color)}
    .feed-bar i{display:block;height:100%;width:0;background:var(--text-primary);transition:width .2s}
    .feed-slide{min-height:calc(var(--fh,80vh) - 3px);scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;justify-content:center;gap:22px;max-width:760px;margin:0 auto;padding:40px 28px;content-visibility:auto;contain-intrinsic-size:auto 520px}
    .feed-meta{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:14px;color:var(--text-secondary)}
    .feed-meta b{color:var(--text-primary);font-weight:500}
    .feed-text{font-size:clamp(22px,3.2vw,34px);line-height:1.45;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}
    .feed-acts{display:flex;gap:10px;color:var(--text-secondary)}
    .feed-acts button{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-color);background:none;color:inherit;font:inherit;font-size:14px;padding:8px 14px;border-radius:999px;cursor:pointer}
    .feed-acts button:hover{background:var(--bg-tertiary);color:var(--text-primary)}
    .feed-acts button.on{color:var(--text-primary);border-color:var(--text-primary)}
    .feed-empty{margin:auto;max-width:420px;text-align:center;padding:40px 24px;color:var(--text-secondary);line-height:1.6}
    .feed-empty h2{color:var(--text-primary);font-weight:600;margin-bottom:10px}
    .feed-empty ol{list-style:none;counter-reset:step;display:grid;gap:16px;margin:22px 0 0;padding:0;text-align:left}
    .feed-empty li{counter-increment:step;display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start}
    .feed-empty li::before{content:counter(step);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--border-color);color:var(--text-primary);font-size:14px;font-weight:600}
    .feed-empty li b{display:block;color:var(--text-primary);font-weight:600}
    .feed-empty__note{margin-top:22px;font-size:13px}
    .feed-tools{position:sticky;top:3px;z-index:4;display:flex;justify-content:flex-end;padding:10px 16px 0;pointer-events:none}
    .feed-tools button{pointer-events:auto;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);font:inherit;font-size:13px;padding:8px 14px;min-height:36px;border-radius:999px;cursor:pointer}
    .saved-dialog{margin:auto;width:min(820px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0;border:1px solid var(--border-color);border-radius:24px;background:var(--bg-primary);color:var(--text-primary);overflow:hidden}
    .saved-dialog[open]{display:flex;flex-direction:column}
    .saved-dialog::backdrop{background:rgba(0,0,0,.65);backdrop-filter:blur(3px)}
    .saved-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 24px;border-bottom:1px solid var(--border-color)}
    .saved-head h2{font-size:22px;font-weight:600;color:var(--text-primary)}
    .saved-head span{color:var(--text-secondary);font-size:14px;margin-left:8px;font-weight:400}
    .saved-close{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;padding:0;border:0;border-radius:0;background:transparent;color:var(--text-primary);appearance:none;cursor:pointer}
    .saved-close svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;stroke-linecap:round}
    .saved-close:focus{outline:none}
    .saved-close:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px;border-radius:4px}
    .saved-grid{overflow-y:auto;padding:20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-content:start}
    .saved-card{display:flex;flex-direction:column;gap:10px;min-width:0;padding:16px;border:1.5px solid var(--text-primary);border-radius:16px;background:var(--bg-primary)}
    .saved-card .feed-meta{font-size:12px}
    .saved-card .feed-meta b{display:-webkit-box;flex-basis:100%;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
    .saved-card p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:7;overflow:hidden;font-size:16px;line-height:1.4;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}
    .saved-card.expanded p{display:block;overflow:visible}
    .saved-card .saved-expand{align-self:flex-start;margin-top:0;padding:0;min-height:28px;border:0;color:var(--text-secondary)}
    .saved-card .saved-expand:hover{border:0}
    .saved-card button{align-self:flex-start;margin-top:auto;border:1px solid var(--border-color);background:none;color:var(--text-secondary);font:inherit;font-size:13px;padding:8px 14px;min-height:36px;border-radius:999px;cursor:pointer}
    .saved-card button:hover{color:var(--text-primary);border-color:var(--text-primary)}
    .saved-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-secondary);line-height:1.6}
    .saved-empty h3{color:var(--text-primary);margin-bottom:8px;font-weight:600}
    @media (max-width:768px){.saved-dialog{width:100%;max-height:100dvh;height:100dvh;border-radius:0;border:0}.saved-grid{padding:12px;gap:10px}.saved-card{padding:12px;gap:8px;border-radius:14px}.saved-card p{font-size:14px;line-height:1.35}.saved-head{padding:14px 16px}}
    .feed-slide{padding-bottom:calc(40px + env(safe-area-inset-bottom))}
    @media (max-width:768px){
      .mode-bar{grid-template-columns:1fr;justify-items:center;padding:12px 12px 8px;gap:10px}
      .brand{justify-self:center}
      .brand__logo{--d:44px}
      .brand span{font-size:18px}
      .mode-switch{width:100%;max-width:420px}
      .mode-switch button{flex:1;padding:12px 10px;font-size:15px;min-height:44px}
      .header{padding:8px 12px !important;gap:8px !important;flex-wrap:wrap}
      .book-info{width:100%;flex-wrap:nowrap;gap:8px !important}
      .book-info .icon-btn,.upload-label{flex:0 0 44px;width:44px;height:44px;padding:0 !important;justify-content:center}
      .upload-label svg{width:20px;height:20px}
      .controls{width:100%;justify-content:space-between;flex-wrap:nowrap;gap:8px !important}
      .controls button,.wpm-control button{min-height:44px;min-width:40px}
      .controls .icon-btn{flex:0 0 auto;width:40px;padding:0}
      .wpm-control{gap:4px !important;flex:0 0 auto}
      .wpm-control span{display:none}
      .wpm-control input{width:48px;min-height:44px;padding:0 2px}
      #playPause,#restart{flex:1 1 0;min-width:0;padding-left:8px;padding-right:8px}
      body.mode-feed .header{flex-wrap:nowrap}
      body.mode-feed .book-info{width:auto;flex:1;min-width:0}
      body.mode-feed .controls{width:auto}
      .feed-slide{padding:24px 20px calc(110px + env(safe-area-inset-bottom));gap:18px}
      .feed-text{font-size:clamp(22px,6vw,28px);line-height:1.42}
      .feed-acts{flex-wrap:wrap;gap:8px}
      .feed-acts button{min-height:44px;padding:10px 16px}
    }

    /* HEADER */
    .header{
      padding:15px 30px;
      background:var(--bg-secondary);
      border-bottom:1px solid var(--border-color);
      display:flex;
      justify-content:space-between;
      align-items:center;
      flex-wrap:wrap;
      gap:15px;
      width: 100%;
      max-width: 100vw;

      /* IMPORTANT: on mobile, keep it usable + clickable */
      position: sticky;
      top: 0;
      z-index: 3000;

      transition: background-color .3s ease, border-color .3s ease;
    }

    .book-info{
      display:flex;
      gap:20px;
      align-items:center;
      max-width: 100%;
    }

    .book-info .icon-btn,
    .upload-label{
      background:var(--bg-tertiary);
      color:var(--text-primary);
      border:1px solid var(--border-color);
      width:44px;
      height:44px;
      padding:0;
      border-radius:10px;
      cursor:pointer;
      transition:all .3s ease;
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }

    .upload-label{
      flex:0 0 44px;
    }

    .upload-label:hover{ background:var(--text-dimmed); }

    .upload-label input,#bookSelect{ display:none; }

    .upload-label svg,.book-info .icon-btn svg{
      width:22px;
      height:22px;
      stroke:currentColor;
      fill:none;
      stroke-width:2;
      stroke-linecap:round;
      stroke-linejoin:round;
    }

    .library-dialog{width:min(520px,calc(100% - 24px))}
    .library-list{overflow-y:auto;padding:16px;display:grid;gap:10px;align-content:start}
    .library-row{display:flex;align-items:center;gap:10px;min-width:0;padding:8px;border:1px solid var(--border-color);border-radius:12px}
    .library-open{flex:1;min-width:0;text-align:left;background:none;color:var(--text-primary);font:inherit;font-weight:600;padding:10px;border-radius:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .library-remove{flex:0 0 40px;width:40px;height:40px;padding:0;border:0;background:none;color:var(--text-secondary);font-size:22px;border-radius:8px}
    .library-remove:hover{color:var(--text-primary);background:var(--bg-tertiary)}
    .library-close-current{width:100%;min-height:44px;text-align:left;padding:10px 16px;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-tertiary);color:var(--text-primary);font:inherit;font-weight:600}
    .library-empty{padding:40px 20px;text-align:center;color:var(--text-secondary);line-height:1.5}
    .library-empty p{margin-top:8px}
    .library-dialog .saved-head{flex:0 0 auto}
    @media (max-width:768px){.library-dialog{width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0}}

    .controls{
      display:flex;
      gap:15px;
      align-items:center;
      flex-wrap:wrap;
    }

    .wpm-control{
      display:flex;
      gap:8px;
      align-items:center;
    }

    .wpm-control input{
      width:70px;
      background:var(--bg-tertiary);
      border:1px solid var(--border-color);
      color:var(--text-primary);
      padding:6px;
      border-radius:6px;
      text-align:center;
      font-size:13px;
      transition:all .3s ease;
    }

    .wpm-control button,
    .icon-btn{
      background:var(--bg-tertiary);
      border:none;
      color:var(--text-primary);
      width:32px;
      height:32px;
      border-radius:6px;
      cursor:pointer;
      font-size:20px;
      display:flex;
      align-items:center;
      justify-content:center;
      transition:all .2s ease;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }

    .icon-btn svg{
      width:18px;
      height:18px;
    }

    .wpm-control button:hover,
    .icon-btn:hover{ background:var(--text-dimmed); }

    button{
      background:var(--text-primary);
      color:var(--bg-primary);
      border:none;
      padding:8px 20px;
      border-radius:6px;
      font-size:13px;
      font-weight:600;
      cursor:pointer;
      transition:all .2s;
      -webkit-tap-highlight-color: transparent;
    }
    button:hover{ opacity:.9; }
    button.secondary{
      background:var(--bg-tertiary);
      color:var(--text-primary);
    }
    button.secondary:hover{ background:var(--text-dimmed); }

    /* BOOK AREA */
    .book-container{
      flex:1;
      overflow-y:auto;
      overflow-x: hidden;
      padding:60px;
      display:flex;
      justify-content:center;
      position:relative;
      scroll-behavior:smooth;
      width: 100%;
      max-width: 100vw;

      /* important: breathing room so player doesn't cover content */
      padding-bottom: 160px;
      -webkit-overflow-scrolling: touch;
    }

    .book-page{
      max-width:800px;
      width:100%;
    }

    .chapter-title{
      color:var(--text-secondary);
      font-size:28px;
      font-weight:600;
      margin-bottom:40px;
      text-align:left;
      word-wrap: break-word;
    }

    .text-content{
      font-size:20px;
      line-height:1.8;
      text-align:left;
      color:var(--text-tertiary);
      font-weight:600;
      word-wrap: break-word;
    }

    .word{
      display:inline;
      transition:color .15s ease;
      cursor:default;
    }
    .word.current{
      color:var(--text-primary);
      font-weight:600;
    }
    .word.past{ color:var(--text-dimmed); }

    .progress-bar{
      position:fixed;
      bottom:0;
      left:0;
      height:3px;
      background:var(--accent);
      width:0%;
      transition:width .1s linear;
      z-index:2000;
    }

    .stats{
      position:fixed;
      bottom:80px;
      left:50%;
      transform:translateX(-50%);
      color:var(--text-muted);
      font-size:12px;
      display:flex;
      gap:20px;
      background:var(--bg-secondary);
      padding:8px 16px;
      border-radius:20px;
      z-index:1500;
      border:1px solid var(--border-color);
      max-width: calc(100vw - 40px);
    }

    .welcome{
      text-align:center;
      color:var(--text-secondary);
      padding:100px 40px;
      position:relative;
      max-width: 100%;
    }

    .welcome-hero{
      width:min(100%, 640px);
      margin:0 auto 36px;
      border-radius:22px;
      overflow:hidden;
      border:1px solid var(--border-color);
      background:var(--bg-secondary);
      box-shadow:0 18px 40px rgba(0,0,0,0.16);
      position:relative;
      z-index:1;
    }

    body.light-mode .welcome-hero{
      box-shadow:0 18px 40px rgba(15,23,42,0.10);
    }

    .welcome-hero img{
      display:block;
      width:100%;
      height:auto;
    }

    .welcome-hero .hero-light{display:none}
    body.light-mode .welcome-hero .hero-light{display:block}
    body.light-mode .welcome-hero .hero-dark{display:none}

    .welcome::before{
      content:'';
      position:absolute;
      top:0;
      left:50%;
      transform:translateX(-50%);
      width:400px;
      height:400px;
      background:radial-gradient(circle,var(--welcome-glow) 0%, transparent 70%);
      pointer-events:none;
    }

    .welcome h1{
      font-size:48px;
      margin-bottom:40px;
      color:var(--text-primary);
      position:relative;
      word-wrap: break-word;
    }

    .welcome p{
      font-size:18px;
      line-height:1.6;
      margin-bottom:30px;
      color:var(--text-tertiary);
      word-wrap: break-word;
    }

    /* FOOTER */
    .footer{
      padding:12px 30px;
      background:var(--bg-secondary);
      border-top:1px solid var(--border-color);
      text-align:center;
      font-size:12px;
      color:var(--text-muted);
      z-index:2500;
      width: 100%;
      max-width: 100vw;
    }
    .footer a{
      color:var(--text-primary);
      text-decoration:none;
      font-weight:600;
      transition:opacity .2s;
    }
    .footer a:hover{ opacity:.7; }

    /* SCROLLBAR */
    .book-container::-webkit-scrollbar{ width:8px; }
    .book-container::-webkit-scrollbar-track{ background:var(--scrollbar-track); }
    .book-container::-webkit-scrollbar-thumb{
      background:var(--scrollbar-thumb);
      border-radius:4px;
    }
    .book-container::-webkit-scrollbar-thumb:hover{ background:var(--text-dimmed); }

    /* =========================
       MUSIC PLAYER (IMPROVED)
       ========================= */

    .music-player{
      position:fixed;
      bottom:calc(var(--footer-height, 48px) + 16px + env(safe-area-inset-bottom));
      right:30px;
      z-index:3500;
      width:56px;
      max-width:none;
    }
    .music-player.expanded{width:min(380px,calc(100% - 60px))}

    /* Mini bar (visible in collapsed state) */
    .player-mini{
      width: 56px;
      height: 56px;
      background: var(--player-bg);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      backdrop-filter: blur(20px);
      box-shadow: 0 12px 40px rgba(0,0,0,0.35);
      cursor: pointer;
      -webkit-tap-highlight-color: transparent;
    }

    .player-mini:hover{
      background: var(--player-hover);
      transform: translateY(-1px);
      box-shadow: 0 16px 50px rgba(0,0,0,0.42);
    }

    .player-mini__icon{
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(255,255,255,0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,0.06);
    }
    body.light-mode .player-mini__icon{
      background: rgba(15,23,42,0.06);
      border: 1px solid rgba(15,23,42,0.08);
    }

    .player-mini__icon svg{
      width: 18px;
      height: 18px;
      stroke: var(--text-primary);
      fill: none;
    }

    /* Expanded panel */
    .player-content{
      display:none;
      background:var(--player-bg);
      border:1px solid var(--border-color);
      border-radius:22px;
      padding:18px;
      backdrop-filter: blur(20px);
      box-shadow: 0 20px 60px rgba(0,0,0,0.45);
      width:100%;
      max-height: 520px;
      overflow-x:hidden;
      overflow-y:auto;
    }

    .music-player.expanded .player-content{ display:block; }
    .music-player.expanded .player-mini{ display:none; }

    .player-top{
      position:sticky;
      top:0;
      z-index:2;
      background:var(--player-bg);
      padding:8px 0 10px;
    }

    .player-header{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap: 12px;
      position:relative;
    }

    /* little drag handle so it feels like a sheet */
    .sheet-handle{
      position:absolute;
      top:-8px;
      left:50%;
      transform:translateX(-50%);
      width: 44px;
      height: 5px;
      border-radius: 999px;
      background: rgba(255,255,255,0.14);
    }
    body.light-mode .sheet-handle{ background: rgba(15,23,42,0.16); }

    .player-header h3{
      color:var(--text-primary);
      font-size:16px;
      font-weight:700;
      display:flex;
      align-items:center;
      gap: 8px;
    }

    .close-player{
      background:none;
      border:none;
      color:var(--text-secondary);
      cursor:pointer;
      font-size:24px;
      padding:0;
      width:36px;
      height:36px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      transition: all .2s ease;
      -webkit-tap-highlight-color: transparent;
    }
    .close-player:hover{ background: var(--bg-tertiary); }

    .album-art{
      width:100%;
      height: 260px; /* bigger so Apple controls are visible */
      background:var(--bg-tertiary);
      border-radius:14px;
      margin-bottom:12px;
      overflow:hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.28);
    }

    .album-art iframe{
      width:100%;
      height:100%;
      border:none;
      border-radius:14px;
      overflow:hidden;
    }

    .stop-music{
      flex:0 0 auto;
      min-height:36px;
      border:1px solid var(--border-color);
      border-radius:10px;
      background:var(--bg-tertiary);
      color:var(--text-primary);
      font:inherit;
      font-size:13px;
      font-weight:600;
      padding:6px 12px;
      cursor:pointer;
    }
    .player-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}
    .player-controls a{
      color:var(--text-primary);
      font-size:13px;
      font-weight:600;
      text-decoration:none;
    }
    .player-controls a:hover{text-decoration:underline}
    .player-controls a:focus-visible,.stop-music:focus-visible,.close-player:focus-visible{outline:2px solid var(--text-primary);outline-offset:2px}

    .player-help{
      text-align:center;
      color:var(--text-tertiary);
      font-size:12px;
      padding: 8px 0 0;
      line-height: 1.4;
    }

    /* MOBILE */
    @media (max-width: 768px){
      .book-container{
        padding:30px 20px;
        padding-bottom: 180px;
      }
      .text-content{ font-size:18px; line-height:1.7; }
      .chapter-title{ font-size:24px; margin-bottom:30px; }
      .header{
        padding:12px 16px;
        gap: 10px;
      }
      .book-info{
        gap:10px;
        flex-wrap:wrap;
      }
      .upload-label{
        padding:8px 12px;
        font-size:13px;
      }
      .stats{
        bottom: 16px;
        font-size: 11px;
        gap: 12px;
        padding: 6px 12px;
      }

      /* Music player positioning: small when collapsed, bottom-sheet when expanded */
      .music-player{
        bottom: calc(var(--footer-height, 48px) + 12px + env(safe-area-inset-bottom));
        left:auto;
        right: 12px;
        width:56px;
      }
      .music-player.expanded{left:auto;right:12px;width:min(380px,calc(100% - 24px));max-width:none}

      /* One music button opens the player. */
      .music-player.collapsed{
        width: 56px;
        left: auto;
        right: 12px;
      }
      .music-player.collapsed .player-mini{
        width: 56px;
        height: 56px;
      }

      /* Expanded = bottom sheet */
      .player-content{
        width: 100%;
        max-height: min(72vh, calc(100dvh - var(--footer-height, 48px) - 90px));
        overflow-x:hidden;
        overflow-y:auto;
        padding: 14px;
      }
      .album-art{ height: 280px; }

      .welcome{
        padding: 60px 20px;
      }
      .welcome-hero{
        width:100%;
        margin-bottom:28px;
        border-radius:18px;
      }
      .welcome h1{ font-size:36px; }
      .welcome h1 svg{
        width: 36px !important;
        height: 36px !important;
        margin-right: 8px !important;
      }
      .welcome p {
        font-size: 16px;
      }
    }

/* Readable and Speed Reader are separate pages with a shared library. */
.mode-bar{border-bottom:1px solid var(--border-color)}
.page-nav{display:flex;align-items:center;gap:6px;justify-self:end}
.page-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 16px;border-radius:999px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap}
.page-nav a:hover,.page-nav a[aria-current="page"]{background:var(--bg-tertiary);color:var(--text-primary)}
.page-nav a[aria-current="page"]{box-shadow:inset 0 0 0 1px var(--border-color)}
.page-nav a:focus-visible,.feed-tools button:focus-visible,.feed-acts button:focus-visible,.feed-empty button:focus-visible{outline:2px solid var(--text-primary);outline-offset:3px}
body.mode-feed .header{background:var(--bg-primary);border-bottom:0;padding:8px 24px}
body.mode-feed .book-info{gap:8px}
body.mode-feed .feed-view{scroll-padding-top:45px}
.feed-tools{align-items:center;gap:8px;justify-content:flex-start;padding:10px 24px 4px;background:var(--bg-primary)}
.feed-tools span{min-width:0;max-width:min(42vw,350px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);font-size:13px;margin-right:auto}
.feed-tools button{font-weight:600;color:var(--text-primary);min-height:40px;padding:8px 16px}
#savedFilter{display:inline-flex;align-items:center;justify-content:center;gap:7px;line-height:1;white-space:nowrap}
#savedFilter .action-icon{display:block;width:18px;height:18px}
.feed-slide{min-height:calc(var(--fh,80vh) - 55px);padding-top:50px}
.feed-acts button{min-height:42px;font-weight:600}
.feed-empty{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1fr);align-items:center;gap:clamp(28px,5vw,64px);max-width:1120px;text-align:left;padding:clamp(32px,5vw,64px) 28px}
.feed-empty .feed-hero{width:100%;max-width:none;margin:0}
.feed-empty-copy{min-width:0}
.feed-eyebrow{font-size:14px;letter-spacing:0;font-weight:600;color:var(--text-secondary)}
.feed-empty h2{font-size:clamp(36px,6vw,64px);line-height:1.05;letter-spacing:-.05em;margin:20px 0}
.feed-empty-copy>p:not(.feed-empty__note){font-size:clamp(17px,2.1vw,22px);line-height:1.5;color:var(--text-secondary)}
.feed-empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 18px}
.feed-empty-actions button{min-height:48px;padding:12px 18px;border:1px solid var(--text-primary);border-radius:12px;background:var(--text-primary);color:var(--bg-primary);font-size:15px;font-weight:600;cursor:pointer}
.feed-empty-actions button+button{background:transparent;color:var(--text-primary)}
.library-section{font-size:14px;letter-spacing:0;color:var(--text-secondary);font-weight:600;padding:14px 8px 2px}
.library-add{min-height:46px;padding:11px 16px;border:1px solid var(--text-primary);border-radius:12px;background:var(--text-primary);color:var(--bg-primary);font:inherit;font-size:14px;font-weight:600;text-align:left;cursor:pointer}
.library-add:focus-visible{outline:2px solid var(--text-primary);outline-offset:3px}
@media(max-width:768px){
  .mode-bar{grid-template-columns:1fr auto;justify-items:stretch;padding:10px 14px;gap:6px}
  .brand{justify-self:start}.brand__logo{--d:36px}.brand span{font-size:17px}
  .page-nav{gap:0}.page-nav a{font-size:12px;padding:8px 10px}
  body.mode-feed .header{padding:6px 14px!important}
  .feed-tools{padding:7px 14px 4px}.feed-tools span{max-width:34vw}
  .feed-slide{padding-top:42px;padding-bottom:calc(90px + env(safe-area-inset-bottom))}
  .feed-empty{grid-template-columns:1fr;gap:30px;padding:32px 22px}.feed-empty .feed-hero{max-width:480px}
}

/* Passage actions and personal reading tools */
.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
.action-icon{width:23px;height:23px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feed-slide{width:100%;max-width:900px}
.feed-reading{display:grid;grid-template-columns:minmax(0,1fr) 76px;align-items:center;gap:18px}
.feed-text{min-width:0;user-select:text;-webkit-user-select:text}
.feed-text mark{padding:0 .04em;border-radius:3px;background:rgba(231,190,82,.58);color:inherit}
body.light-mode .feed-text mark{background:#f3d77d;color:var(--text-primary)}
.feed-acts{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-secondary)}
.feed-acts button{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:70px;min-height:61px;padding:6px 2px;border:0;border-radius:12px;background:transparent;color:inherit;font-size:13px;font-weight:500;line-height:1.1}
.feed-acts button:hover,.feed-acts button:focus-visible{background:var(--bg-tertiary);color:var(--text-primary)}
.feed-acts button.on{border:0;color:var(--text-primary)}
.feed-acts button.on[data-act="like"] .action-icon,.feed-acts button.on[data-act="saved"] .action-icon{fill:currentColor}
.feed-acts .action-icon{width:27px;height:27px}
.selection-bar{position:fixed;z-index:3500;left:50%;bottom:calc(var(--footer-height,48px) + 22px);transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:7px;border:1px solid var(--border-color);border-radius:16px;background:var(--bg-secondary);color:var(--text-primary);box-shadow:0 12px 40px rgba(0,0,0,.3);white-space:nowrap}
.selection-bar[hidden]{display:none}
.selection-bar span{padding:0 8px;color:var(--text-secondary);font-size:13px}
.selection-bar button{display:inline-flex;align-items:center;gap:5px;min-height:40px;padding:7px 12px;border:1px solid var(--border-color);border-radius:10px;background:var(--bg-primary);color:var(--text-primary);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.selection-bar .action-icon{width:18px;height:18px}
.saved-tabs{display:flex;gap:8px;flex:none;overflow-x:auto;padding:14px 20px 10px;border-bottom:1px solid var(--border-color);scrollbar-width:none}
.saved-search{display:flex;align-items:center;gap:10px;min-height:48px;margin:16px 20px 0;padding:0 14px;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-secondary);color:var(--text-secondary)}
.saved-search:focus-within{border-color:var(--text-primary)}
.saved-search svg{width:20px;height:20px;flex:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.saved-search input{width:100%;min-width:0;height:46px;padding:0;border:0;outline:0;background:transparent;color:var(--text-primary);font:inherit;font-size:16px}
.saved-search input::placeholder{color:var(--text-secondary)}
.saved-tabs::-webkit-scrollbar{display:none}
.saved-tabs button{flex:none;min-height:42px;padding:8px 15px;border:1px solid var(--border-color);border-radius:999px;background:transparent;color:var(--text-secondary);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.saved-tabs button[aria-selected="true"]{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-primary)}
.saved-tabs button span{font-weight:400;margin-left:4px}
.saved-grid{flex:1;min-height:0}
.saved-card{gap:12px}
.saved-card .saved-quote{display:block;overflow:visible;font-size:16px;line-height:1.5}
.saved-card .saved-note-text{display:block;overflow:visible;padding-top:10px;border-top:1px solid var(--border-color);font-size:15px;font-weight:400;white-space:pre-wrap}
.saved-card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.saved-card .saved-card-actions button{margin-top:0}
.note-dialog{width:min(650px,calc(100% - 24px))}
.note-form{display:grid;gap:12px;overflow-y:auto;padding:24px;color:var(--text-primary)}
.note-form>p{font-size:13px;color:var(--text-secondary)}
.note-form blockquote{max-height:180px;overflow-y:auto;margin:0;padding:14px 16px;border-left:3px solid var(--text-primary);border-radius:4px;background:var(--bg-secondary);line-height:1.45}
.note-form label{font-size:14px;font-weight:600}
.note-form textarea{width:100%;min-height:150px;resize:vertical;padding:14px;border:1px solid var(--border-color);border-radius:12px;outline:none;background:var(--bg-secondary);color:var(--text-primary);font:inherit;font-size:16px;line-height:1.5}
.note-form textarea:focus{border-color:var(--text-primary)}
.note-form>button{min-height:46px;border:0;border-radius:12px;background:var(--text-primary);color:var(--bg-primary);font:inherit;font-weight:600;cursor:pointer}
@media(max-width:768px){
  dialog.saved-dialog,dialog.library-dialog,dialog.note-dialog{position:fixed;inset:0;margin:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border:0;border-radius:0}
  .saved-head{padding:calc(12px + env(safe-area-inset-top)) 20px 16px}
  .saved-search{margin:14px 16px 0}
  .saved-tabs{padding:12px 16px}
  .saved-grid{grid-template-columns:1fr;padding:14px 16px calc(24px + env(safe-area-inset-bottom))}
  .note-form{padding:20px 22px calc(30px + env(safe-area-inset-bottom))}
  .feed-slide{padding-inline:20px}
  .feed-reading{grid-template-columns:minmax(0,1fr) 58px;gap:8px}
  .feed-acts{gap:4px}
  .feed-acts button{width:58px;min-height:57px;font-size:12px;padding:5px 0}
  .feed-acts .action-icon{width:25px;height:25px}
  .selection-bar{width:max-content;max-width:calc(100vw - 20px);bottom:calc(var(--footer-height,48px) + 15px)}
  .selection-bar span{display:none}
}

/* Reading voice picker, beside Saved */
.voice-select{pointer-events:auto;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);font:inherit;font-size:13px;font-weight:600;min-height:40px;padding:8px 28px 8px 14px;border-radius:999px;cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-secondary) 50%),linear-gradient(135deg,var(--text-secondary) 50%,transparent 50%);
  background-position:calc(100% - 15px) 55%,calc(100% - 11px) 55%;background-size:4px 4px;background-repeat:no-repeat}
.voice-select:focus-visible{outline:2px solid var(--text-primary);outline-offset:3px}