.rfv-root{
    --rfv-bg:#FAF3E6;
    --rfv-surface:#FFFCF5;
    --rfv-surface-2:#FFFFFF;
    --rfv-ink:#3E2B1F;
    --rfv-ink-soft:#6B5745;
    --rfv-ink-faint:#9C8973;
    --rfv-line:#E4D9C5;
    --rfv-sage:#7C8F6E;
    --rfv-sage-dark:#5C6E4F;
    --rfv-clay:#C4693B;
    --rfv-clay-dark:#A6532A;
    --rfv-danger:#C0392B;
    --rfv-danger-bg:#FBE8E4;
    --rfv-rose:#B77E77;
    --rfv-slate:#6E7D8A;
    --rfv-charcoal:#4A4038;
    --rfv-radius:14px;
    --rfv-shadow-soft: 0 2px 8px rgba(62,43,31,0.08);
    --rfv-shadow-med: 0 6px 20px rgba(62,43,31,0.12);
  }
.rfv-root{
    background:var(--rfv-bg);
    color:var(--rfv-ink);
    font-family:'Source Sans 3', -apple-system, sans-serif;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
.rfv-root h1, .rfv-root h2, .rfv-root h3{
    font-family:'Fraunces', Georgia, serif;
    color:var(--rfv-ink);
    margin:0 0 6px 0;
    letter-spacing:-0.01em;
  }
.rfv-root .app{max-width:1240px;margin:0 auto;padding:28px 20px 60px;}
.rfv-root /* --rfv--------- Header --rfv--------- */
  .site-header{display:flex;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap;}
.rfv-root .site-header .badge{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--rfv-surface-2);border:1px solid var(--rfv-line);
    padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--rfv-sage-dark);font-weight:600;
  }
.rfv-root .site-header .badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--rfv-sage);display:inline-block;}
.rfv-root .hero{margin-bottom:26px;}
.rfv-root .hero h2{font-size:clamp(28px,4vw,40px);font-weight:600;}
.rfv-root .hero p{color:var(--rfv-ink-soft);font-size:16px;max-width:640px;margin-top:8px;}
.rfv-root /* --rfv--------- Layout --rfv--------- */
  .layout{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start;}
@media (max-width:880px){
.rfv-root .layout{grid-template-columns:1fr;}
}
.rfv-root .card{
    background:var(--rfv-surface);
    border:1px solid var(--rfv-line);
    border-radius:var(--rfv-radius);
    padding:18px;
    box-shadow:var(--rfv-shadow-soft);
  }
.rfv-root .card + .card{margin-top:16px;}
.rfv-root .card h2{font-size:15px;text-transform:uppercase;letter-spacing:0.06em;font-weight:600;color:var(--rfv-ink-soft);font-family:'Source Sans 3',sans-serif;margin-bottom:12px;}
.rfv-root /* --rfv--------- Sidebar --rfv--------- */
  .field-row{display:flex;gap:10px;margin-bottom:10px;}
.rfv-root .field{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;}
.rfv-root .field label{font-size:12.5px;color:var(--rfv-ink-soft);font-weight:600;}
.rfv-root .field input{
    width:100%;min-width:0;box-sizing:border-box;
    border:1px solid var(--rfv-line);border-radius:8px;padding:9px 10px;font-size:14.5px;
    background:var(--rfv-surface-2);color:var(--rfv-ink);font-family:inherit;
  }
.rfv-root .field input:focus{outline:2px solid var(--rfv-sage);outline-offset:1px;border-color:var(--rfv-sage);}
.rfv-root .unit-toggle{display:flex;background:var(--rfv-surface-2);border:1px solid var(--rfv-line);border-radius:999px;padding:3px;margin-bottom:14px;}
.rfv-root .unit-toggle button{
    flex:1;border:none;background:transparent;padding:7px 10px;border-radius:999px;
    font-size:13px;font-weight:600;color:var(--rfv-ink-soft);cursor:pointer;font-family:inherit;
  }
.rfv-root .unit-toggle button.active{background:var(--rfv-sage);color:#fff;}
.rfv-root .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:7px;
    border:none;border-radius:9px;padding:10px 14px;font-size:14px;font-weight:600;
    cursor:pointer;font-family:inherit;transition:transform .06s ease, opacity .15s ease;
  }
.rfv-root .btn:active{transform:scale(0.97);}
.rfv-root .btn-primary{background:var(--rfv-clay);color:#fff;width:100%;}
.rfv-root .btn-primary:hover{background:var(--rfv-clay-dark);}
.rfv-root .btn-secondary{background:var(--rfv-surface-2);color:var(--rfv-ink);border:1px solid var(--rfv-line);}
.rfv-root .btn-secondary:hover{background:#F3EADA;}
.rfv-root .btn-ghost{background:transparent;color:var(--rfv-ink-soft);border:1px dashed var(--rfv-line);}
.rfv-root .btn:disabled{opacity:0.45;cursor:not-allowed;}
.rfv-root .btn-sm{padding:7px 10px;font-size:12.5px;}
.rfv-root .furn-lib{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.rfv-root .furn-btn{
    display:flex;flex-direction:column;align-items:flex-start;gap:2px;
    border:1px solid var(--rfv-line);background:var(--rfv-surface-2);border-radius:10px;
    padding:9px 10px;cursor:pointer;text-align:left;font-family:inherit;
  }
.rfv-root .furn-btn:hover{border-color:var(--rfv-sage);background:#F4F2E9;}
.rfv-root .furn-btn .fi{font-size:17px;}
.rfv-root .furn-btn .fn{font-size:12.5px;font-weight:600;color:var(--rfv-ink);}
.rfv-root .furn-btn .fd{font-size:10.5px;color:var(--rfv-ink-faint);}
.rfv-root .custom-form{display:flex;flex-direction:column;gap:8px;margin-top:10px;padding-top:12px;border-top:1px dashed var(--rfv-line);}
.rfv-root .placed-list{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow-y:auto;}
.rfv-root .placed-row{
    display:flex;align-items:center;gap:8px;border:1px solid var(--rfv-line);border-radius:9px;
    padding:8px 9px;background:var(--rfv-surface-2);cursor:pointer;
  }
.rfv-root .placed-row.selected{border-color:var(--rfv-clay);box-shadow:0 0 0 1px var(--rfv-clay) inset;}
.rfv-root .placed-row.colliding{background:var(--rfv-danger-bg);}
.rfv-root .placed-row .swatch{width:12px;height:12px;border-radius:3px;flex-shrink:0;}
.rfv-root .placed-row .info{flex:1;min-width:0;}
.rfv-root .placed-row .info .n{font-size:13px;font-weight:600;color:var(--rfv-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rfv-root .placed-row .info .d{font-size:11px;color:var(--rfv-ink-faint);}
.rfv-root .placed-row .del{background:none;border:none;color:var(--rfv-ink-faint);cursor:pointer;font-size:15px;padding:2px 6px;}
.rfv-root .placed-row .del:hover{color:var(--rfv-danger);}
.rfv-root .empty-note{font-size:13px;color:var(--rfv-ink-faint);font-style:italic;padding:6px 2px;}
.rfv-root /* --rfv--------- Stage --rfv--------- */
  .stage-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.rfv-root .stage-toolbar .spacer{flex:1;}
.rfv-root .status-pill{
    font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;
    background:#EFF3EA;color:var(--rfv-sage-dark);display:inline-flex;align-items:center;gap:6px;
  }
.rfv-root .status-pill.warn{background:var(--rfv-danger-bg);color:var(--rfv-danger);}
.rfv-root .canvas-wrap{
    background:var(--rfv-surface);border:1px solid var(--rfv-line);border-radius:var(--rfv-radius);
    padding:14px;box-shadow:var(--rfv-shadow-soft);
  }
.rfv-root #stage{width:100%;height:auto;display:block;border-radius:8px;touch-action:none;cursor:default;}
.rfv-root #stage.has-selection{cursor:grab;}
.rfv-root .nudge-pad{display:grid;grid-template-columns:repeat(3,42px);grid-template-rows:repeat(3,42px);gap:6px;margin-top:4px;}
.rfv-root .nudge-pad button{border:1px solid var(--rfv-line);background:var(--rfv-surface-2);border-radius:6px;cursor:pointer;font-size:13px;color:var(--rfv-ink-soft);}
.rfv-root .nudge-pad button:hover{background:#F3EADA;}
.rfv-root .selection-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px dashed var(--rfv-line);}
.rfv-root .selection-toolbar .sel-title{font-size:13px;font-weight:600;color:var(--rfv-ink);margin-right:auto;}
.rfv-root .resize-fields{display:flex;align-items:center;gap:5px;}
.rfv-root .resize-fields label{font-size:11.5px;color:var(--rfv-ink-soft);font-weight:600;}
.rfv-root .resize-fields input{
    width:58px;border:1px solid var(--rfv-line);border-radius:7px;padding:6px 7px;font-size:13px;
    background:var(--rfv-surface-2);color:var(--rfv-ink);font-family:inherit;
  }
.rfv-root .resize-fields input:focus{outline:2px solid var(--rfv-sage);outline-offset:1px;border-color:var(--rfv-sage);}
.rfv-root .footnote{font-size:12.5px;color:var(--rfv-ink-faint);margin-top:14px;line-height:1.6;}
.rfv-root .footnote strong{color:var(--rfv-ink-soft);}
.rfv-root .toast{
    position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
    background:var(--rfv-charcoal);color:#fff;padding:11px 18px;border-radius:999px;font-size:13.5px;
    box-shadow:var(--rfv-shadow-med);opacity:0;pointer-events:none;transition:all .25s ease;z-index:50;
  }
.rfv-root .toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.rfv-root .setup-note{font-size:12.5px;color:var(--rfv-ink-faint);margin-top:8px;}