@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

  :root{
    --bg-scene:#08100e;
    --bg-scene-2:#050a08;
    --bg-panel:#ede7d8;
    --ink:#25211a;
    --ink-soft:#79705d;
    --rust:#b14a2e;
    --gold:#a9812f;
    --line:#d3c9ae;
    --teal-glow: 46,107,94;
    --panel-width: 420px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;height:100%;background:var(--bg-scene);font-family:'Inter',sans-serif;color:var(--ink); overflow:hidden;}
  #app{
    display:flex;
    width:100%;
    height:100vh;
    min-height:560px;
    overflow:hidden;
  }
  
  /* SCENE PANEL */
  #scene-wrap{
    position:relative;
    flex:1;
    min-width:0;
    background:
      radial-gradient(ellipse at 50% 42%, rgba(var(--teal-glow),0.25) 0%, rgba(var(--teal-glow),0.05) 35%, transparent 60%),
      radial-gradient(ellipse at 50% 100%, var(--bg-scene-2) 0%, #030504 100%);
    cursor:grab;
  }
  #scene-wrap.dragging{cursor:grabbing;}
  #scene-wrap canvas{display:block; width:100%; height:100%;}

  #loading-overlay {
    position: absolute; inset: 0; background: rgba(8, 16, 14, 0.85);
    display: flex; justify-content: center; align-items: center;
    color: #e9e0c8; font-family: 'IBM Plex Mono', monospace; font-size: 13px;
    z-index: 100; opacity: 1; transition: opacity 0.4s ease;
    pointer-events: none;
  }
  #loading-overlay.fade-out { opacity: 0; }

  .tip-card{
    position:absolute; top:22px; left:22px;
    background:#f4eede;
    border:1px solid var(--line);
    box-shadow:0 6px 18px rgba(0,0,0,0.35);
    padding:12px 16px 13px;
    width:150px;
    transform:rotate(-2deg);
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    line-height:1.65;
    color:var(--ink);
    z-index: 10;
  }
  .tip-card .tip-head{
    font-family:'Fraunces',serif;
    font-style:italic;
    font-size:13px;
    margin-bottom:6px;
    color:var(--rust);
  }

  .catalog-badge{
    position:absolute; top:22px; right:22px;
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    letter-spacing:0.12em;
    color:#bcd8cf;
    text-align:right;
    opacity:0.75;
    z-index: 10;
  }
  .catalog-badge span{display:block;}
  .catalog-badge .num{font-size:20px; color:#e9e0c8; letter-spacing:0.02em;}

  .pedestal-label{
    position:absolute; bottom:92px; left:50%;
    transform:translateX(-50%);
    font-family:'IBM Plex Mono',monospace;
    font-size:10px;
    letter-spacing:0.16em;
    color:rgba(233,224,200,0.45);
    text-transform:uppercase;
    pointer-events:none;
    z-index: 10;
  }

  /* HOTSPOTS */
  #hotspot-layer{
    position:absolute; inset:0; pointer-events:none; z-index: 5;
  }
  .hotspot{
    position:absolute;
    width:16px; height:16px;
    margin:-8px 0 0 -8px;
    border-radius:50%;
    background:var(--gold);
    box-shadow:0 0 0 4px rgba(169,129,47,0.3), 0 0 15px rgba(169,129,47,0.8);
    cursor:pointer;
    pointer-events:auto;
    transition:transform 0.15s ease, opacity 0.3s ease;
  }
  .hotspot:hover{transform:scale(1.25);}
  .hotspot::after{
    content:'';
    position:absolute; inset:3px;
    border-radius:50%;
    background:#f3e3ba;
  }

  .hotspot-note{
    position:absolute;
    max-width:220px;
    background:#f4eede;
    border:1px solid var(--line);
    box-shadow:0 8px 25px rgba(0,0,0,0.5);
    padding:12px 14px;
    font-size:12.5px;
    line-height:1.55;
    color:var(--ink);
    pointer-events:none;
    transform:translate(-50%,-135%);
    z-index: 15;
  }
  .hotspot-note::after{
    content:'';
    position:absolute; left:50%; bottom:-6px;
    width:12px; height:12px;
    margin-left:-6px;
    background:#f4eede;
    border-right:1px solid var(--line);
    border-bottom:1px solid var(--line);
    transform:rotate(45deg);
  }

  /* ORGAN TABS */
  #bottom-bar{
    position:absolute; left:0; right:0; bottom:0;
    display:flex; flex-direction:column; align-items:center;
    background:linear-gradient(to top, rgba(5,10,8,0.9), transparent);
    padding-bottom:10px;
    z-index: 10;
  }
  #organ-strip{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:4px;
    padding:14px 20px 8px;
  }
  .organ-tab{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    letter-spacing:0.06em;
    color:rgba(233,224,200,0.6);
    background:rgba(233,224,200,0.05);
    border:1px solid rgba(233,224,200,0.15);
    padding:9px 16px;
    cursor:pointer;
    transition:all 0.2s ease;
    text-transform:uppercase;
  }
  .organ-tab:hover{color:#e9e0c8; border-color:rgba(233,224,200,0.4); background:rgba(233,224,200,0.1);}
  .organ-tab.active{
    color:#0c1613;
    background:var(--gold);
    border-color:var(--gold);
    box-shadow: 0 0 15px rgba(169,129,47, 0.4);
  }

  /* INFO PANEL */
  #info-panel{
    flex: 0 0 var(--panel-width);
    width: var(--panel-width);
    background:var(--bg-panel);
    overflow-y:auto;
    padding:40px;
    position:relative;
    border-left: 1px solid var(--line);
  }
  .eyebrow{
    display:flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--rust);
    margin-bottom:14px;
  }
  .eyebrow .dot{color:var(--rust); font-size:14px;}
  .eyebrow .idx{margin-left:auto; color:var(--ink-soft); letter-spacing:0.1em;}

  h1.organ-name{
    font-family:'Fraunces',serif;
    font-weight:600;
    font-size:42px;
    line-height:1.02;
    margin:0 0 10px;
    color:var(--ink);
  }
  .tagline{
    font-family:'Fraunces',serif;
    font-style:italic;
    font-size:17px;
    color:var(--rust);
    margin:0 0 24px;
  }
  .description{
    font-size:15px;
    line-height:1.7;
    color:var(--ink);
    margin:0 0 28px;
    max-width:38ch;
  }
  hr.rule{
    border:none; border-top:1px solid var(--line);
    margin:0 0 24px;
  }
  .section-label{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--ink-soft);
    margin-bottom:16px;
  }
  .fact-row{
    display:grid;
    grid-template-columns:20px 110px 1fr;
    gap:12px;
    align-items:baseline;
    padding:12px 0;
    border-bottom:1px solid rgba(211,201,174,0.7);
    font-size:13px;
  }
  .fact-row:last-child{border-bottom:none;}
  .fact-icon{color:var(--gold); font-size:13px; text-align: center;}
  .fact-label{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;
    letter-spacing:0.04em;
    color:var(--ink-soft);
    text-transform:uppercase;
  }
  .fact-value{color:var(--ink); line-height:1.5;}

  .notes-section{margin-top:32px;}
  .note-item{
    font-size:13px;
    line-height:1.6;
    color:var(--ink-soft);
    padding:12px 0 12px 18px;
    border-left:2px solid var(--line);
    margin-bottom:10px;
    transition:border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    cursor: pointer;
  }
  .note-item:hover { background: rgba(211,201,174, 0.2); color: var(--ink); }
  .note-item.lit{
    border-left-color:var(--rust);
    color:var(--ink);
    background: rgba(177, 74, 46, 0.05);
  }

  .footer-mark{
    margin-top:40px;
    font-family:'IBM Plex Mono',monospace;
    font-size:10px;
    letter-spacing:0.12em;
    color:var(--ink-soft);
    opacity:0.65;
    text-align: center;
    text-transform:uppercase;
  }
  .credit-box{
    margin-top:28px; padding:14px 16px; background:#e2dac4; border:1px solid var(--line);
    font-size:12px; line-height:1.6; color:var(--ink-soft);
  }
  .credit-box b{color:var(--ink); font-weight:600;}
  .credit-box a{color:var(--rust); text-decoration:none; border-bottom:1px solid rgba(177,74,46,0.4);}
  .credit-box a:hover{border-bottom-color:var(--rust);}

  .brand-mark{
    text-align:center; pointer-events:none;
  }
  .brand-mark .brand-sig{
    display:flex; align-items:center; justify-content:center; gap:6px;
    font-family:'IBM Plex Mono',monospace; font-size:9px; letter-spacing:0.03em;
    color:rgba(233,224,200,0.55);
  }
  .brand-mark .brand-icon{width:14px; height:14px; border-radius:50%; flex-shrink:0;}
  .brand-mark .brand-sig a{
    color:rgba(233,224,200,0.8); pointer-events:auto; text-decoration:none; border-bottom:1px solid rgba(233,224,200,0.35);
  }
  .brand-mark .brand-sig a:hover{color:#e9e0c8; border-bottom-color:#e9e0c8;}
  .brand-mark .claude-star{color:var(--rust); font-size:14px; margin:0 6px; display:inline-block;}
  .brand-mark .brand-inspired{
    margin-top:1px;
    font-family:'IBM Plex Mono',monospace; font-size:8.5px;
    color:rgba(233,224,200,0.35);
  }
  .brand-mark .brand-inspired a{
    color:rgba(233,224,200,0.5); pointer-events:auto; text-decoration:none; border-bottom:1px solid rgba(233,224,200,0.2);
  }
  .brand-mark .brand-inspired a:hover{color:rgba(233,224,200,0.8);}

  @media (max-width:960px){
    #app{flex-direction:column;}
    #scene-wrap{flex:1;}
    #info-panel{flex:1; width: 100%; max-width:none; border-left: none; border-top: 1px solid var(--line); padding: 30px;}
    h1.organ-name{font-size:34px;}
    #organ-strip { flex-wrap: wrap; padding: 10px; }
    .pedestal-label { bottom: 120px; }
  }