:root{
    --bg:#101010;
    --bg-2:#161616;
    --panel:#1c1c1c;
    --panel-2:#141414;
    --line:rgba(255,255,255,0.08);
    --line-strong:rgba(255,255,255,0.16);
    --accent:#f7941d;
    --accent-dim:#b56a12;
    --accent-soft:rgba(247,148,29,0.14);
    --cyan:var(--accent);
    --cyan-dim:var(--accent-dim);
    --brass:#f5c842;
    --brass-dim:#a67c1a;
    --text:#e8e8e8;
    --text-dim:#a0a0a0;
    --text-faint:#666666;
    --danger:#e07050;
    --ok:#6bbf4a;
  }
  *{box-sizing:border-box;}
  html,body{height:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'IBM Plex Mono', monospace;
    overflow:hidden;
  }
  #app{
    height:100vh; /* fallback */
    height:100dvh;
    max-height:100vh;
    max-height:100dvh;
    display:flex; flex-direction:column; overflow:hidden;
  }

  header{
    display:flex; align-items:center; gap:14px;
    padding:0 16px;
    height:56px; max-height:56px; min-height:56px;
    border-bottom:1px solid var(--line);
    background:var(--panel-2);
    flex-shrink:0;
    flex-wrap:nowrap;
    position:relative;
    z-index:20;
    transition:transform .22s ease, margin-top .22s ease;
  }
  header.is-hidden{
    transform:translateY(-100%);
    margin-top:-56px;
  }
  header .mark{
    width:30px;height:30px;border:1.5px solid var(--accent);
    border-radius:6px;
    display:flex;align-items:center;justify-content:center;
    font-family:'Barlow Condensed';font-weight:700;font-size:14px;color:var(--accent);
    flex-shrink:0; background:var(--accent-soft);
  }
  header .mark span{transform:none;}
  header .brand{ min-width:0; flex-shrink:1; overflow:hidden; }
  h1{
    font-family:'Barlow Condensed'; font-weight:700; letter-spacing:.04em;
    font-size:22px; margin:0; text-transform:uppercase; color:var(--text);
    line-height:1.1; white-space:nowrap;
  }
  h1 .accent{ color:var(--accent); }
  header .sub{ font-size:11px; color:var(--text-dim); letter-spacing:.08em; text-transform:uppercase; white-space:nowrap; }
  header .spacer{flex:1;}
  header .badge{
    font-size:10.5px; color:var(--text-dim); border:1px solid var(--line); padding:5px 9px;
    letter-spacing:.06em; border-radius:4px; background:var(--panel);
    white-space:nowrap; flex-shrink:0;
  }
  header .catalog-count{
    color:var(--accent);
    border-color:rgba(247,148,29,0.35);
    background:var(--accent-soft);
    font-variant-numeric:tabular-nums;
  }
  header .header-actions{
    display:flex; align-items:center; gap:8px;
    margin-left:auto; flex-shrink:0; min-width:0;
  }
  header .header-btn{
    font-family:'Barlow Condensed'; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
    font-size:12px; cursor:pointer; border:1px solid var(--line-strong); background:var(--panel);
    color:var(--text-dim); padding:6px 10px; border-radius:4px;
    white-space:nowrap; flex-shrink:0;
  }
  header .header-btn:hover{ border-color:var(--accent); color:var(--accent); }
  header .header-more{
    display:flex; align-items:center; gap:8px; position:relative; flex-shrink:0;
  }
  header .header-more-btn{ display:none; min-width:34px; padding-left:8px; padding-right:8px; }
  header .header-secondary{
    display:flex; align-items:center; gap:8px;
  }

  /* SaaS account panel */
  .saas-account{ position:relative; }
  .saas-panel{
    position:absolute; top:calc(100% + 8px); right:0; z-index:30;
    width:min(280px, 80vw); padding:12px;
    background:var(--panel); border:1px solid var(--line-strong); border-radius:8px;
    box-shadow:0 12px 36px rgba(0,0,0,0.45);
  }
  .saas-field{ display:flex; flex-direction:column; gap:4px; margin-bottom:10px; }
  .saas-field span{ font-size:10px; color:var(--text-faint); letter-spacing:.06em; text-transform:uppercase; }
  .saas-field input{
    font-family:inherit; font-size:12px; color:var(--text); background:var(--bg-2);
    border:1px solid var(--line); border-radius:4px; padding:7px 9px;
  }
  .saas-email{ font-size:11.5px; color:var(--text); margin-bottom:8px; word-break:break-all; }
  .saas-plan{ margin-bottom:10px; }
  .saas-plans{ display:flex; flex-direction:column; gap:6px; margin-bottom:6px; }
  .saas-billing-tools{ margin-bottom:8px; }
  .saas-mode-toggle{
    display:flex; align-items:center; justify-content:space-between; gap:8px;
    font-size:10.5px; color:var(--text-dim); margin-bottom:4px;
  }
  .saas-mode-toggle select{
    flex:1; max-width:160px; font-size:11px; padding:4px 6px;
  }
  .saas-test-hint{
    font-size:10px; color:var(--text-dim); line-height:1.4; margin:0 0 6px;
  }
  .saas-test-hint code{
    font-size:10px; color:var(--text);
  }
  .saas-mode-hint{
    font-size:10px; color:var(--text-dim); line-height:1.4; margin-bottom:8px;
  }
  .saas-mode-hint.sandbox{ color:#b8860b; }
  .saas-plan-badge{
    font-size:10px; letter-spacing:.06em; text-transform:uppercase;
    border:1px solid var(--line); padding:3px 8px; border-radius:3px; color:var(--text-dim);
  }
  .saas-plan-badge.entitled{
    color:var(--ok); border-color:rgba(107,191,74,0.4); background:rgba(107,191,74,0.12);
  }
  .saas-panel .primary, .saas-panel .ghost{ margin-bottom:6px; }
  .saas-msg{ font-size:10.5px; color:var(--text-dim); line-height:1.45; min-height:1.2em; margin-top:4px; }
  .saas-msg.error{ color:var(--danger); }

  .layout{
    flex:1;
    display:grid;
    grid-template-columns:220px minmax(0, 1fr) 240px;
    min-height:0;
    min-width:0;
    overflow:hidden;
  }
  /* Only the flexible center column may shrink below content size */
  .layout > .viewport{ min-width:0; min-height:0; }
  .layout > .controls,
  .layout > .maps{ min-height:0; min-width:220px; }
  .layout > .maps{ min-width:240px; }

  aside{ background:var(--panel-2); border-right:1px solid var(--line); overflow-x:hidden; overflow-y:auto; padding:14px 12px; }
  aside.maps{ border-right:none; border-left:1px solid var(--line); }

  .section-label{
    font-family:'Barlow Condensed'; font-size:12px; letter-spacing:.12em; text-transform:uppercase;
    color:var(--accent); margin:14px 0 8px 0; display:flex; align-items:center; gap:8px;
  }
  .section-label:first-child{margin-top:0;}
  .section-label::after{ content:''; flex:1; height:1px; background:var(--line); }
  .section-label .n{ color:var(--text-faint); }

  label.field{ display:block; margin-bottom:10px; }
  label.field .lbl{ display:flex; justify-content:space-between; font-size:10.5px; color:var(--text-dim);
    letter-spacing:.06em; text-transform:uppercase; margin-bottom:5px; }
  label.field .lbl b{ color:var(--text); font-weight:600; }
  label.check-field{
    display:flex; align-items:flex-start; gap:8px; margin:8px 0 10px;
    font-size:11px; color:var(--text-dim); line-height:1.4; cursor:pointer; user-select:none;
  }
  label.check-field input{
    margin:2px 0 0; accent-color:var(--accent); flex-shrink:0;
  }

  select, input[type=number], input[type=text], input[type=search]{
    width:100%; background:var(--panel); border:1px solid var(--line); color:var(--text);
    font-family:'IBM Plex Mono'; font-size:12px; padding:7px 8px; letter-spacing:.02em;
    border-radius:4px;
  }
  select{
    cursor:pointer; appearance:none; -webkit-appearance:none;
    background-image:linear-gradient(45deg,transparent 50%,var(--accent-dim) 50%),linear-gradient(135deg,var(--accent-dim) 50%,transparent 50%);
    background-position:calc(100% - 14px) calc(50% - 2px), calc(100% - 9px) calc(50% - 2px);
    background-size:5px 5px, 5px 5px; background-repeat:no-repeat;
    padding-right:26px;
  }
  select:focus, input:focus{ outline:none; border-color:var(--accent); }
  select option{ background:var(--panel); color:var(--text); }

  input[type=range]{
    -webkit-appearance:none; width:100%; height:2px; background:var(--line); margin:8px 0 4px 0;
  }
  input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none; width:13px; height:13px; background:var(--accent); border-radius:50%; cursor:pointer;
    margin-top:-6px;
  }
  input[type=color]{
    -webkit-appearance:none; width:100%; height:32px; border:1px solid var(--line); background:var(--panel); padding:2px; cursor:pointer;
    border-radius:4px;
  }
  input[type=color]::-webkit-color-swatch{ border:none; border-radius:2px; }

  .row2{ display:grid; grid-template-columns:1fr auto; gap:8px; align-items:end; }

  button{
    font-family:'Barlow Condensed'; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
    font-size:13px; cursor:pointer; border:1px solid var(--line-strong); background:var(--panel);
    color:var(--text); padding:10px 12px; transition:all .12s; border-radius:4px;
  }
  button:hover{ border-color:var(--accent); color:var(--accent); }
  button.primary{ background:var(--accent); color:#111; border-color:var(--accent); }
  button.primary:hover{ background:#ffb04a; color:#111; }
  button.ghost{ background:transparent; }
  button:disabled{ opacity:.4; cursor:default; }
  button.full{ width:100%; margin-top:6px; }
  .btn-row{ display:flex; gap:8px; }

  main.viewport{ position:relative; background:var(--bg-2); overflow:hidden; min-width:0; min-height:0; }
  #scene-canvas{
    position:absolute; inset:0; width:100%; height:100%; display:block; cursor:grab;
    /* Display size from CSS; buffer size set in JS (Firefox stretches bitmap otherwise) */
  }
  #scene-canvas:active{ cursor:grabbing; }

  .forge-overlay{
    position:absolute; inset:0; z-index:4;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    gap:12px; text-align:center; padding:24px;
    background:rgba(14,14,14,0.72); backdrop-filter:blur(2px);
    pointer-events:none;
  }
  .forge-overlay[hidden]{ display:none !important; }
  .forge-spinner{
    width:34px; height:34px; border-radius:50%;
    border:2px solid rgba(255,140,60,0.2);
    border-top-color:var(--accent);
    animation:forge-spin .7s linear infinite;
  }
  .forge-title{
    font-family:'Barlow Condensed',sans-serif; font-size:15px; letter-spacing:.1em;
    text-transform:uppercase; color:var(--accent);
  }
  .forge-sub{
    font-size:11px; color:var(--text-dim); max-width:280px; line-height:1.55;
  }
  @keyframes forge-spin{ to{ transform:rotate(360deg); } }

  .corner{ position:absolute; width:22px; height:22px; border-color:var(--accent-dim); opacity:.7; pointer-events:none; }
  .corner.tl{ top:14px; left:14px; border-top:1.5px solid; border-left:1.5px solid; }
  .corner.tr{ top:14px; right:14px; border-top:1.5px solid; border-right:1.5px solid; }
  .corner.bl{ bottom:14px; left:14px; border-bottom:1.5px solid; border-left:1.5px solid; }
  .corner.br{ bottom:14px; right:14px; border-bottom:1.5px solid; border-right:1.5px solid; }

  .hint{ position:absolute; top:16px; left:50%; transform:translateX(-50%); font-size:10.5px; color:var(--text-faint);
    letter-spacing:.08em; text-transform:uppercase; pointer-events:none; }

  .titleblock{
    position:absolute; left:16px; bottom:16px; border:1px solid var(--line-strong); background:rgba(20,20,20,0.92);
    backdrop-filter:blur(2px); font-size:11px; min-width:280px; border-radius:6px; overflow:hidden;
  }
  .titleblock .tb-head{ padding:7px 10px; border-bottom:1px solid var(--line); font-family:'Barlow Condensed';
    letter-spacing:.1em; color:var(--accent); font-size:12px; text-transform:uppercase; }
  .tb-grid{ display:grid; grid-template-columns:1fr 1fr; }
  .tb-cell{ padding:6px 10px; border-top:1px solid var(--line); border-right:1px solid var(--line); }
  .tb-cell:nth-child(2n){ border-right:none; }
  .tb-cell .k{ color:var(--text-faint); font-size:9px; letter-spacing:.08em; text-transform:uppercase; }
  .tb-cell .v{ color:var(--text); font-size:11.5px; margin-top:1px; }

  .maps .map-card{ border:1px solid var(--line); margin-bottom:12px; background:var(--panel); border-radius:6px; overflow:hidden; }
  .maps .map-card img{ width:100%; display:block; image-rendering:auto; background:#000; }
  .maps .map-foot{ display:flex; justify-content:space-between; align-items:center; padding:6px 9px; }
  .maps .map-foot .name{ font-size:10.5px; color:var(--text-dim); letter-spacing:.06em; text-transform:uppercase; }
  .maps .map-foot a{ color:var(--accent); font-size:10px; text-decoration:none; letter-spacing:.06em; text-transform:uppercase; }
  .maps .map-foot a:hover{ text-decoration:underline; }

  .generator-guide{ margin-top:18px; padding-bottom:14px; }
  .generator-guide .guide-intro{
    margin:0 0 12px; color:var(--text-dim); font-size:11px; line-height:1.65;
  }
  .guide-card{
    margin:0 0 12px; padding:12px;
    border:1px solid var(--line); border-radius:6px; background:var(--panel);
  }
  .guide-card h2{
    margin:0 0 8px; color:var(--accent);
    font-family:'Barlow Condensed', sans-serif; font-size:15px; font-weight:600;
    letter-spacing:.06em; line-height:1.2; text-transform:uppercase;
  }
  .guide-card p,
  .guide-card li{
    color:var(--text-dim); font-size:10.5px; line-height:1.65;
  }
  .guide-card p{ margin:0 0 8px; }
  .guide-card p:last-child{ margin-bottom:0; }
  .guide-card strong{ color:var(--text); font-weight:600; }
  .guide-card ol{ margin:0; padding-left:18px; }
  .guide-card li + li{ margin-top:5px; }
  .category-guide{ border-color:rgba(247,148,29,0.28); }

  .loading-note{ font-size:10.5px; color:var(--text-faint); margin-top:4px; line-height:1.5; }

  .asset-filter-field{ margin-top:8px; }
  .development-asset-tools{
    margin-top:9px; padding:10px; border:1px solid var(--line-strong);
    border-radius:6px; background:var(--bg-2);
  }
  .dev-tools-heading{
    margin-bottom:9px; color:var(--text); font-family:'Barlow Condensed'; font-size:12px;
    font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  }
  .dev-status-actions{ display:grid; grid-template-columns:1fr 1fr; gap:6px; }
  .dev-status-btn{
    min-width:0; padding:7px 5px; font-size:10px; letter-spacing:.035em;
    background:var(--panel); border-color:var(--line-strong); text-transform:none;
  }
  .dev-status-btn.favorite{
    background:var(--accent); border-color:var(--accent); color:#16100a; font-weight:700;
  }
  .dev-status-btn.favorite:hover{ background:#ffab3e; color:#16100a; }
  .dev-status-btn.broken[aria-pressed="true"]{ background:#7a2929; border-color:#e25d5d; color:#fff; }
  .dev-status-btn.good[aria-pressed="true"]{ background:#285d2f; border-color:#70bd68; color:#fff; }
  .dev-status-btn.disabled[aria-pressed="true"]{ background:#4b4b4b; border-color:#aaa; color:#fff; }
  .dev-status-btn.favorite[aria-pressed="true"]{ box-shadow:0 0 0 2px #fff inset, 0 0 12px rgba(247,148,29,.35); }
  .dev-status-message{
    min-height:15px; margin-top:6px; color:var(--text-faint); font-size:9px; line-height:1.4;
  }
  .dev-status-message.success{ color:#70bd68; }
  .dev-status-message.error{ color:#e25d5d; }
  .development-asset-tools .developer-updates-pref{
    margin:7px 0 9px; padding-top:8px; border-top:1px solid var(--line);
  }
  .dev-tool-row{ display:grid; grid-template-columns:1fr 1fr; gap:6px; }
  .dev-action-btn{
    display:flex; min-width:0; min-height:34px; align-items:center; justify-content:center;
    box-sizing:border-box; padding:6px 5px; border:1px solid; border-radius:4px;
    color:#fff; font-family:'Barlow Condensed'; font-size:10px; font-weight:700;
    line-height:1.1; letter-spacing:.035em; text-align:center; text-decoration:none;
    text-transform:uppercase;
  }
  .dev-action-btn.edit{ background:#1f5964; border-color:#3c94a4; }
  .dev-action-btn.bulk{ background:#51346f; border-color:#8b61b8; }
  .dev-action-btn:hover{ filter:brightness(1.18); }
  .dev-editor-overlay{
    display:none; position:fixed; inset:0; z-index:90; padding:12px;
    background:rgba(0,0,0,.84);
  }
  .dev-editor-overlay.open{ display:flex; }
  .dev-editor-shell{
    position:relative; width:100%; height:100%; overflow:hidden;
    border:1px solid var(--line-strong); border-radius:8px; background:var(--bg);
    box-shadow:0 20px 70px rgba(0,0,0,.65);
  }
  .dev-editor-frame{ width:100%; height:100%; border:0; background:var(--bg); }
  .dev-editor-close{
    position:absolute; z-index:3; top:8px; right:10px; width:34px; height:34px;
    padding:0; border-radius:50%; font-size:22px; line-height:1; background:var(--panel);
  }

  .quick-actions{ margin-bottom:6px; padding-bottom:12px; border-bottom:1px solid var(--line); }
  .asset-search-trigger{
    margin-top:0; padding:9px 10px; font-size:12px; letter-spacing:.04em;
    display:flex; align-items:center; justify-content:space-between; gap:8px;
    color:var(--text); text-transform:none; font-family:'IBM Plex Mono', monospace; font-weight:400;
    border:1.5px solid var(--accent); background:var(--accent-soft);
    box-shadow:0 0 0 3px var(--accent-soft), 0 0 14px rgba(247,148,29,0.25);
  }
  .asset-search-trigger:hover,
  .asset-search-trigger:focus-visible{
    background:rgba(247,148,29,0.24); border-color:#ffb04a;
    box-shadow:0 0 0 3px rgba(247,148,29,0.28), 0 0 18px rgba(247,148,29,0.4);
  }
  .randomize-model-toggle{ margin:7px 0 2px; }
  .asset-search-trigger kbd,
  .asset-search-brand kbd,
  .asset-search-head kbd,
  .asset-search-hint kbd{
    font-family:'IBM Plex Mono', monospace; font-size:9.5px; letter-spacing:.04em;
    color:var(--text-faint); border:1px solid var(--line); border-radius:3px;
    padding:2px 5px; background:var(--bg-2); text-transform:none;
  }

  .asset-search-overlay{
    display:none; position:fixed; inset:0; z-index:50;
    background:rgba(0,0,0,0.72); align-items:flex-start; justify-content:center;
    padding:12vh 16px 24px;
  }
  .asset-search-overlay.open{ display:flex; }
  .asset-search-panel{
    width:min(520px, 100%); background:var(--panel); border:1px solid var(--line-strong);
    border-radius:8px; box-shadow:0 18px 50px rgba(0,0,0,0.55); overflow:hidden;
    display:flex; flex-direction:column; max-height:min(70vh, 560px);
  }
  .asset-search-brand{
    display:flex; align-items:center; gap:11px; padding:12px 14px;
    border-bottom:1px solid rgba(247,148,29,.32);
    background:linear-gradient(90deg, rgba(247,148,29,.13), rgba(247,148,29,.025));
  }
  .asset-search-brand kbd{ margin-left:auto; }
  .asset-search-brand-mark{
    display:flex; width:34px; height:34px; align-items:center; justify-content:center; flex-shrink:0;
    border:1px solid var(--accent); border-radius:7px; color:var(--accent);
    font-family:'Barlow Condensed'; font-size:15px; font-weight:700;
  }
  .asset-search-brand-copy{ display:flex; flex-direction:column; gap:1px; }
  .asset-search-brand-copy strong{
    color:var(--text); font-family:'Barlow Condensed'; font-size:19px; line-height:1;
    letter-spacing:.035em; text-transform:uppercase;
  }
  .asset-search-brand-copy strong em{ color:var(--accent); font-style:normal; }
  .asset-search-brand-copy small{
    color:var(--text-dim); font-size:9.5px; letter-spacing:.13em; text-transform:uppercase;
  }
  .asset-search-head{
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    padding:10px 14px 0; font-family:'Barlow Condensed'; font-size:12px;
    letter-spacing:.1em; text-transform:uppercase; color:var(--accent);
  }
  #assetSearchInput{
    width:calc(100% - 28px); margin:10px 14px 8px; padding:10px 12px;
    background:var(--bg-2); border:1px solid var(--line); border-radius:4px;
    color:var(--text); font-family:'IBM Plex Mono', monospace; font-size:13px;
  }
  #assetSearchInput:focus{ outline:none; border-color:var(--accent); }
  .asset-search-actions{
    display:flex; align-items:center; justify-content:space-between; gap:12px;
    margin:0 14px 10px;
  }
  .asset-search-randomize{
    display:flex; align-items:flex-start; gap:8px; margin:0;
    color:var(--text-dim); font-size:11px; line-height:1.4; cursor:pointer; user-select:none;
  }
  .asset-search-randomize input{
    margin:2px 0 0; accent-color:var(--accent); flex-shrink:0;
  }
  .asset-search-surprise{
    flex-shrink:0; padding:6px 10px; border-color:var(--accent); background:var(--accent);
    color:#17100a; font-size:10px;
  }
  .asset-search-surprise:hover{ background:#ffad42; color:#17100a; }
  .asset-search-results{
    list-style:none; margin:0; padding:0 6px 6px; overflow-y:auto; flex:1; min-height:0;
  }
  .asset-search-item{
    padding:9px 10px; border-radius:4px; cursor:pointer; border:1px solid transparent;
  }
  .asset-search-item.active,
  .asset-search-item:hover{
    background:var(--accent-soft); border-color:rgba(247,148,29,0.35);
  }
  .asset-search-label{ font-size:13px; color:var(--text); }
  .asset-search-path{
    font-size:10.5px; color:var(--text-faint); margin-top:2px; letter-spacing:.02em;
  }
  .asset-search-empty{
    padding:18px 14px; font-size:12px; color:var(--text-dim); text-align:center;
  }
  .asset-search-hint{
    padding:8px 14px 12px; font-size:10px; color:var(--text-faint);
    border-top:1px solid var(--line); letter-spacing:.04em;
  }
  .asset-search-app-badge{
    padding:8px 14px; border-top:1px solid rgba(247,148,29,.32);
    background:transparent; color:var(--accent); text-align:center;
    font-family:'Barlow Condensed'; font-size:10px; font-weight:600;
    letter-spacing:.16em; text-transform:uppercase;
  }

  @media (max-width:520px){
    .asset-search-overlay{
      width:100%; max-width:100vw; overflow:hidden;
      padding-left:max(12px, env(safe-area-inset-left, 0px));
      padding-right:max(12px, env(safe-area-inset-right, 0px));
    }
    .asset-search-panel{ width:100%; max-width:520px; min-width:0; }
    .asset-search-brand-copy,
    .asset-search-actions,
    .asset-search-randomize{ min-width:0; }
    /* iOS Safari zooms the visual viewport when focusing inputs below 16px. */
    #assetSearchInput{ min-width:0; font-size:16px; }
    .asset-search-actions{ align-items:flex-start; }
    .asset-search-randomize{ flex:1; font-size:10px; }
  }

  .about-overlay{
    display:none; position:fixed; inset:0; z-index:40;
    background:rgba(0,0,0,0.72); align-items:center; justify-content:center; padding:24px;
  }
  .about-overlay.open{ display:flex; }
  .about-card{
    width:min(460px, 100%); background:var(--panel); border:1px solid var(--line-strong);
    border-radius:8px; padding:22px 22px 18px; box-shadow:0 18px 50px rgba(0,0,0,0.55);
  }
  .about-card h2{
    font-family:'Barlow Condensed'; margin:0 0 6px; font-size:26px; letter-spacing:.04em;
    text-transform:uppercase; color:var(--text);
  }
  .about-card h2 span{ color:var(--accent); }
  .about-card .about-sub{ color:var(--text-dim); font-size:12px; margin-bottom:16px; letter-spacing:.04em; }
  .about-card p{ font-size:12.5px; color:var(--text); line-height:1.65; margin:0 0 12px; }
  .about-links{ display:flex; flex-direction:column; gap:8px; margin:14px 0 18px; }
  .about-links a{
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    padding:10px 12px; border:1px solid var(--line); border-radius:4px;
    color:var(--text); text-decoration:none; background:var(--bg-2); font-size:12px;
  }
  .about-links a:hover{ border-color:var(--accent); color:var(--accent); }
  .about-links a .tag{ color:var(--accent); font-size:10px; letter-spacing:.08em; text-transform:uppercase; }

  .updates-overlay{ z-index:60; }
  .updates-card{
    width:min(720px, 100%);
    display:flex; flex-direction:column; max-height:min(860px, 92vh);
  }
  .updates-card-head{
    display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
  }
  .updates-card-head h2{ margin-bottom:0; }
  .updates-x{
    flex-shrink:0; width:28px; height:28px; margin-top:2px;
    border:1px solid transparent; border-radius:4px; background:transparent;
    color:var(--text-dim); font-size:20px; line-height:1; cursor:pointer;
  }
  .updates-x:hover{ color:var(--text); background:var(--bg-2); border-color:var(--line); }
  .updates-frame-wrap{
    flex:1; min-height:280px; margin:0 0 14px;
    border:1px solid var(--line); border-radius:6px; background:var(--bg-2); overflow:hidden;
  }
  .updates-frame{
    display:block; width:100%; height:min(420px, 48vh); border:0; background:#000;
  }
  .updates-pref{
    display:flex; align-items:flex-start; gap:8px;
    font-size:12px; color:var(--text); margin:0 0 14px; cursor:pointer; user-select:none;
  }
  .updates-pref input{
    margin:2px 0 0; accent-color:var(--accent); flex-shrink:0;
  }

  .report-card .report-field{
    display:flex; flex-direction:column; gap:6px; margin-bottom:12px;
    font-size:11px; color:var(--text-dim); letter-spacing:.04em;
  }
  .report-card textarea{
    width:100%; resize:vertical; min-height:88px; box-sizing:border-box;
    background:var(--bg-2); border:1px solid var(--line); border-radius:4px;
    color:var(--text); font:inherit; font-size:12.5px; line-height:1.5; padding:10px 12px;
  }
  .report-card textarea:focus{ outline:none; border-color:var(--accent); }
  .report-msg{
    min-height:1.2em; font-size:12px; color:var(--text-dim); margin:0 0 10px;
  }
  .report-msg.error{ color:#e07070; }
  .report-actions{ display:flex; flex-direction:column; gap:0; }

  /* AdSense display placements — fixed boxes; clip overflow (no contain:strict — Firefox collapses it) */
  .adsense-header{
    flex:0 0 min(320px, 28vw); width:min(320px, 28vw); min-width:160px; max-width:320px;
    height:50px; min-height:50px; max-height:50px; overflow:hidden;
    margin:0 10px;
    border:1px solid var(--line); border-radius:4px; background:var(--panel);
    display:block; padding:2px 6px; box-sizing:border-box;
    align-self:center;
    flex-shrink:0;
  }
  /* Keep a flexible gap when header ad is off (subscribers) */
  .adsense-header[hidden]{
    display:block !important; visibility:hidden; pointer-events:none;
    border:none; background:transparent; min-height:0; max-height:0; height:0; overflow:hidden;
    margin:0; padding:0; width:auto; min-width:0; max-width:none; flex:1 1 auto;
  }
  .adsense-left[hidden],
  .adsense-viewport[hidden],
  .adsense-sidebar[hidden],
  .adsense-square[hidden],
  .adsense-download[hidden]{ display:none !important; }
  .adsense-header .adsbygoogle,
  .adsense-left .adsbygoogle,
  .adsense-viewport .adsbygoogle,
  .adsense-sidebar .adsbygoogle,
  .adsense-square .adsbygoogle,
  .adsense-download .adsbygoogle{
    display:block !important;
    width:100% !important;
    max-width:100% !important;
    max-height:100% !important;
    overflow:hidden !important;
    box-sizing:border-box !important;
  }
  .adsense-header iframe,
  .adsense-left iframe,
  .adsense-viewport iframe,
  .adsense-sidebar iframe,
  .adsense-square iframe,
  .adsense-download iframe{
    max-width:100% !important;
    max-height:100% !important;
  }
  .adsense-left{
    margin:14px 0 4px;
    width:100%; height:200px; min-height:200px; max-height:200px;
    overflow:hidden; box-sizing:border-box;
    border:1px solid var(--line); border-radius:4px; background:var(--panel);
    display:block; padding:4px;
    flex-shrink:0;
  }
  .adsense-viewport{
    position:absolute; right:14px; bottom:14px; z-index:3;
    width:280px; max-width:calc(100% - 28px);
    height:90px; min-height:90px; max-height:90px; overflow:hidden;
    border:1px solid var(--line); border-radius:4px; background:rgba(20,20,20,0.92);
    display:block; padding:4px; box-sizing:border-box;
    pointer-events:auto;
  }
  .adsense-sidebar{
    margin:14px 0 4px;
    width:100%; height:250px; min-height:250px; max-height:250px;
    overflow:hidden; box-sizing:border-box;
    border:1px solid var(--line); border-radius:4px; background:var(--panel);
    display:block; padding:4px;
    flex-shrink:0;
  }
  .adsense-square{
    margin:14px 0 8px;
    width:100%; height:250px; min-height:250px; max-height:250px;
    overflow:hidden; box-sizing:border-box;
    border:1px solid var(--line); border-radius:4px; background:var(--panel);
    display:block; padding:4px;
    flex-shrink:0;
  }
  .adsense-download{
    margin:10px 0 14px;
    width:100%; height:220px; min-height:220px; max-height:220px;
    overflow:hidden; box-sizing:border-box;
    border:1px solid var(--line); border-radius:4px; background:var(--panel-2);
    display:block; padding:4px;
  }

  /* First-party campaign cards rendered into the former display-ad slots. */
  .network-ad-card{
    display:flex; flex-direction:column; justify-content:center; gap:7px;
    width:100%; height:100%; padding:12px; box-sizing:border-box;
    color:var(--text); text-decoration:none; overflow:hidden;
    background:linear-gradient(145deg, rgba(232,168,56,.10), rgba(20,20,20,.96));
  }
  .network-ad-card:hover{ background:linear-gradient(145deg, rgba(232,168,56,.17), rgba(25,25,25,.98)); }
  .network-ad-badge{
    color:var(--accent); font-size:8px; letter-spacing:.12em; text-transform:uppercase;
  }
  .network-ad-card strong{
    color:var(--text); font-family:'Barlow Condensed',sans-serif; font-size:18px;
    line-height:1.05; letter-spacing:.025em;
  }
  .network-ad-card p{
    margin:0; color:var(--text-dim); font-size:10px; line-height:1.4;
    display:-webkit-box; -webkit-line-clamp:5; -webkit-box-orient:vertical; overflow:hidden;
  }
  .network-ad-cta{
    color:var(--accent); font-size:9px; letter-spacing:.08em; text-transform:uppercase;
  }
  .adsense-viewport .network-ad-card{ gap:3px; padding:7px 10px; }
  .adsense-viewport .network-ad-card strong{ font-size:14px; }
  .adsense-viewport .network-ad-card p{ -webkit-line-clamp:2; line-height:1.2; }
  .adsense-viewport .network-ad-badge{ display:none; }
  .ad-card-download{ max-width:min(420px, 92vw); }
  .ad-card-download .download-ad-note{
    font-size:12px; color:var(--text-dim); line-height:1.5; margin:0 0 4px;
  }
  #downloadAdOverlay:not([hidden]){ display:flex; }

  /* Local-only ad slot outlines (body.adsense-debug-slots). Never applied on Cloudflare. */
  body.adsense-debug-slots .adsense-header,
  body.adsense-debug-slots .adsense-left,
  body.adsense-debug-slots .adsense-viewport,
  body.adsense-debug-slots .adsense-sidebar,
  body.adsense-debug-slots .adsense-square,
  body.adsense-debug-slots .adsense-download{
    outline: 2px dashed #e8a838 !important;
    outline-offset: -2px;
    background: rgba(232, 168, 56, 0.12) !important;
    box-sizing: border-box;
  }
  /* relative only where needed for ::before label — keep viewport absolutely placed */
  body.adsense-debug-slots .adsense-header,
  body.adsense-debug-slots .adsense-left,
  body.adsense-debug-slots .adsense-sidebar,
  body.adsense-debug-slots .adsense-square,
  body.adsense-debug-slots .adsense-download{
    position: relative;
  }
  body.adsense-debug-slots .adsense-header{
    height: 50px !important;
    min-height: 50px !important;
    max-height: 50px !important;
  }
  body.adsense-debug-slots .adsense-left{
    height: 200px !important;
    min-height: 200px !important;
    max-height: 200px !important;
  }
  body.adsense-debug-slots .adsense-sidebar,
  body.adsense-debug-slots .adsense-square{
    height: 250px !important;
    min-height: 250px !important;
    max-height: 250px !important;
  }
  body.adsense-debug-slots .adsense-download{
    height: 220px !important;
    min-height: 220px !important;
    max-height: 220px !important;
  }
  body.adsense-debug-slots .adsense-viewport{
    position: absolute !important;
    right: 14px !important;
    bottom: 14px !important;
    left: auto !important;
    top: auto !important;
    width: 280px !important;
    max-width: calc(100% - 28px) !important;
    height: 90px !important;
    min-height: 90px !important;
    max-height: 90px !important;
  }
  body.adsense-debug-slots .adsense-header::before,
  body.adsense-debug-slots .adsense-left::before,
  body.adsense-debug-slots .adsense-viewport::before,
  body.adsense-debug-slots .adsense-sidebar::before,
  body.adsense-debug-slots .adsense-square::before,
  body.adsense-debug-slots .adsense-download::before{
    content: 'Ad slot · local preview';
    position: absolute;
    top: 6px;
    left: 8px;
    z-index: 2;
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #e8a838;
    pointer-events: none;
    opacity: .95;
  }

  /* Title-bar ad slot (first-party creatives; unused when AdSense CLIENT is set) */
  .title-bar-ad{
    display:none; align-items:center; gap:10px; flex:0 1 420px; width:min(420px, 36vw); max-width:min(420px, 36vw);
    padding:4px 10px; border:1px solid var(--line); border-radius:4px;
    background:var(--panel); font-size:11px; color:var(--text-dim); min-width:0;
    height:40px; max-height:40px; overflow:hidden; align-self:center;
  }
  .title-bar-ad.visible{ display:flex; }
  .title-bar-ad .ad-label{
    flex-shrink:0; font-size:9px; letter-spacing:.08em; text-transform:uppercase;
    color:var(--accent); border:1px solid var(--accent-dim); padding:2px 6px; border-radius:3px;
    background:var(--accent-soft);
  }
  .title-bar-ad .ad-body{
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap; min-width:0; flex:1;
  }
  .title-bar-ad .ad-cta{
    flex-shrink:0; color:var(--accent); text-decoration:none; font-size:10px;
    letter-spacing:.06em; text-transform:uppercase;
  }
  .title-bar-ad .ad-cta:hover{ text-decoration:underline; }

  /* Ad overlays (popup + export) */
  .ad-overlay{
    display:none; position:fixed; inset:0; z-index:45;
    background:rgba(0,0,0,0.72); align-items:center; justify-content:center; padding:24px;
  }
  .ad-overlay.open{ display:flex; }
  .ad-card{
    width:min(400px, 100%); background:var(--panel); border:1px solid var(--line-strong);
    border-radius:8px; padding:18px 18px 16px; box-shadow:0 18px 50px rgba(0,0,0,0.55);
  }
  .ad-card-export{ width:min(340px, 100%); }
  .ad-card-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; }
  .ad-badge{
    font-size:9px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint);
    border:1px solid var(--line); padding:2px 7px; border-radius:3px;
  }
  .ad-close{
    border:none; background:transparent; color:var(--text-dim); font-size:18px;
    cursor:pointer; padding:0 4px; line-height:1;
  }
  .ad-close:hover{ color:var(--accent); }
  .ad-card h2{
    font-family:'Barlow Condensed'; margin:0 0 8px; font-size:22px; letter-spacing:.04em;
    text-transform:uppercase; color:var(--text);
  }
  .ad-card p{ font-size:12.5px; color:var(--text-dim); line-height:1.6; margin:0 0 14px; }
  .ad-image{ width:100%; max-height:140px; object-fit:cover; border-radius:4px; margin-bottom:12px; display:block; background:var(--bg-2); }
  .ad-image[hidden]{ display:none; }
  .ad-cta-btn{ text-decoration:none; text-align:center; }
  .ad-export-actions{ display:flex; flex-direction:column; gap:8px; }

  ::-webkit-scrollbar{ width:9px; }
  ::-webkit-scrollbar-track{ background:var(--panel-2); }
  ::-webkit-scrollbar-thumb{ background:rgba(255,255,255,0.14); border-radius:4px; }

  /* Mobile chrome — hidden on desktop */
  .mobile-tabs,
  .download-fab{ display:none; }

  @media (max-width:1000px){
    html, body{ height:100%; overflow:hidden; }
    #app{
      height:100dvh; max-height:100dvh;
      padding-bottom:calc(56px + env(safe-area-inset-bottom, 0px));
    }

    header{
      gap:10px; padding:0 12px;
      height:52px; max-height:52px; min-height:52px;
    }
    header.is-hidden{ margin-top:-52px; }
    header .brand .sub{ display:none; }
    header h1{ font-size:18px; }
    header .adsense-header,
    header .title-bar-ad{ display:none !important; }
    header .header-more-btn{ display:inline-flex; align-items:center; justify-content:center; }
    header .header-secondary{
      display:none;
      position:absolute; top:calc(100% + 6px); right:0; z-index:40;
      flex-direction:column; align-items:stretch; gap:6px;
      min-width:160px; padding:10px;
      background:var(--panel); border:1px solid var(--line-strong); border-radius:8px;
      box-shadow:0 12px 36px rgba(0,0,0,0.45);
    }
    header .header-more.is-open .header-secondary{ display:flex; }
    header .header-secondary .header-btn,
    header .header-secondary .badge{ width:100%; text-align:center; justify-content:center; }
    header .header-btn{ padding:6px 8px; font-size:11px; }
    #saasToggleBtn{ padding:6px 8px; }

    .layout{
      display:grid;
      grid-template-columns:1fr;
      grid-template-rows:1fr;
      min-height:0;
      overflow:hidden;
    }
    .layout > .controls,
    .layout > .viewport,
    .layout > .maps{
      grid-area:1 / 1;
      min-height:0;
      height:100%;
      border:none;
      display:none;
    }
    /* Default to model until JS sets data-mobile-tab */
    .layout > .viewport{ display:block; }
    #app[data-mobile-tab="generate"] .layout > .controls{ display:block; }
    #app[data-mobile-tab="generate"] .layout > .viewport,
    #app[data-mobile-tab="export"] .layout > .viewport{ display:none; }
    #app[data-mobile-tab="model"] .layout > .viewport{ display:block; }
    #app[data-mobile-tab="export"] .layout > .maps{ display:block; }
    aside.controls,
    aside.maps{
      overflow-y:auto;
      -webkit-overflow-scrolling:touch;
      padding:14px 14px 88px;
    }
    main.viewport{
      position:relative;
      overflow:hidden;
    }

    .adsense-viewport{ display:none !important; }

    .titleblock{
      left:10px; right:72px; bottom:12px;
      min-width:0; max-width:none; width:auto;
      font-size:10px;
    }
    .titleblock .tb-head{ padding:5px 8px; font-size:11px; }
    .tb-cell{ padding:4px 8px; }
    .tb-cell .v{ font-size:10.5px; }
    .hint{ top:10px; font-size:9.5px; max-width:90%; text-align:center; }
    .corner{ opacity:.45; }

    .maps .map-card{
      display:grid;
      grid-template-columns:1fr auto;
      grid-template-rows:auto auto;
      align-items:center;
      margin-bottom:10px;
    }
    .maps .map-card img{
      grid-column:1 / -1;
      width:100%;
      height:84px;
      object-fit:cover;
      aspect-ratio:3 / 1;
    }
    .maps .map-foot{
      grid-column:1 / -1;
      padding:6px 10px;
    }
    .adsense-square{
      height:90px !important; min-height:90px !important; max-height:90px !important;
    }
    .adsense-sidebar{
      height:120px !important; min-height:120px !important; max-height:120px !important;
    }
    .adsense-left{
      height:120px !important; min-height:120px !important; max-height:120px !important;
    }

    .mobile-tabs{
      display:flex;
      position:fixed;
      left:0; right:0; bottom:0;
      z-index:25;
      height:calc(56px + env(safe-area-inset-bottom, 0px));
      padding:0 8px env(safe-area-inset-bottom, 0px);
      background:var(--panel-2);
      border-top:1px solid var(--line);
      align-items:stretch;
      justify-content:space-around;
      gap:4px;
    }
    .mobile-tabs[hidden]{ display:none !important; }
    .mobile-tab{
      flex:1;
      display:flex; flex-direction:column; align-items:center; justify-content:center;
      gap:2px; padding:6px 4px;
      border:none; background:transparent; color:var(--text-faint);
      font-family:'Barlow Condensed'; font-weight:600; letter-spacing:.06em;
      text-transform:uppercase; font-size:10px; border-radius:0;
    }
    .mobile-tab svg{ width:22px; height:22px; }
    .mobile-tab:hover{ border-color:transparent; color:var(--text-dim); }
    .mobile-tab[aria-selected="true"]{ color:var(--accent); }

    .download-fab{
      display:flex; align-items:center; justify-content:center;
      position:fixed;
      right:16px;
      bottom:calc(72px + env(safe-area-inset-bottom, 0px));
      z-index:24;
      width:48px; height:48px; padding:0;
      border-radius:50%;
      border:1px solid rgba(247,148,29,0.55);
      background:var(--accent);
      color:#111;
      box-shadow:0 8px 24px rgba(0,0,0,0.4);
      opacity:.92;
    }
    .download-fab svg{ width:22px; height:22px; }
    .download-fab:hover{ background:#ffb04a; color:#111; border-color:var(--accent); }
    .download-fab[hidden]{ display:none !important; }
    #app[data-mobile-tab="export"] .download-fab{ display:none !important; }
  }