.sim-sec{padding-top:80px;position:relative}
  .sim-stage{position:relative;display:grid;grid-template-columns:1fr 360px;gap:18px;
    border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#0a0a10;
    min-height:600px}
  @media (max-width:1000px){.sim-stage{grid-template-columns:1fr;min-height:auto}}

  /* Canvas / workspace */
  .sim-canvas{position:relative;min-height:600px;overflow:hidden;
    background:repeating-linear-gradient(135deg, rgba(255,255,255,.025) 0 12px, transparent 12px 24px), #060608;
    cursor:default; user-select:none}
  @media (max-width:1000px){.sim-canvas{min-height:420px}}
  .sim-photo{position:absolute;inset:0;background-size:cover;background-position:center}
  .sim-canvas.empty{cursor:pointer;
    border:2px dashed color-mix(in oklch, var(--cyan), transparent 55%);
    border-radius:18px;margin:8px;min-height:calc(600px - 16px)}
  @media (max-width:1000px){.sim-canvas.empty{min-height:calc(420px - 16px)}}
  .sim-canvas.empty::before{content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 50% 50%, color-mix(in oklch, var(--cyan), transparent 90%) 0%, transparent 60%);
    opacity:0;animation:sim-canvas-pulse 2.4s ease-in-out infinite;pointer-events:none}
  @keyframes sim-canvas-pulse{0%,100%{opacity:.4}50%{opacity:.9}}
  .sim-canvas.empty .sim-empty-cta{position:absolute;inset:0;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:14px;
    color:var(--fg);text-align:center;pointer-events:none;padding:32px}
  .sim-canvas.empty .sim-empty-cta .icon{width:72px;height:72px;border-radius:50%;
    background:color-mix(in oklch, var(--cyan), transparent 88%);
    border:1px solid color-mix(in oklch, var(--cyan), transparent 50%);
    display:grid;place-items:center;color:var(--cyan);
    animation:sim-icon-bob 2.2s ease-in-out infinite}
  @keyframes sim-icon-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
  .sim-canvas.empty .sim-empty-cta .t{font-size:22px;letter-spacing:-.015em;font-weight:500}
  .sim-canvas.empty .sim-empty-cta .s{font-family:"JetBrains Mono",monospace;font-size:11px;
    color:var(--fg-dim);letter-spacing:.1em;text-transform:uppercase}
  .neon-root.fx-off .sim-canvas.empty::before,
  .neon-root.fx-off .sim-canvas.empty .sim-empty-cta .icon{animation:none}

  /* Stage info pills (bottom-left) showing screen size */
  .sim-stage-info{position:absolute;bottom:14px;left:14px;z-index:5;display:flex;gap:6px;flex-wrap:wrap}
  .sim-stage-info .pill{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.08em;
    color:rgba(255,255,255,.85);text-transform:uppercase;
    padding:6px 10px;border-radius:999px;
    background:rgba(0,0,0,.6);backdrop-filter:blur(12px);
    border:1px solid rgba(255,255,255,.1)}
  .sim-stage-info .pill.size{color:var(--cyan);border-color:color-mix(in oklch, var(--cyan), transparent 50%)}

  /* Steps progress trail in side panel */
  .sim-steps{display:flex;flex-direction:column;gap:0;
    padding-bottom:8px;margin-bottom:8px;border-bottom:1px solid var(--line)}
  .sim-step{display:flex;align-items:center;gap:10px;padding:6px 0;
    font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.04em;
    color:var(--fg-dim);transition:color .25s}
  .sim-step .sn{width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
    display:grid;place-items:center;font-size:10px;color:var(--fg-dim);flex-shrink:0;
    transition:border-color .25s, color .25s, background .25s, transform .25s,
      box-shadow .25s}
  .sim-step.done .sn{border-color:var(--cyan);background:var(--cyan);color:#000}
  .sim-step.done .sn::after{content:"✓";font-size:11px;font-weight:700;color:#000}
  .sim-step.done .sn span{display:none}
  .sim-step.active{color:var(--fg)}
  .sim-step.active .sn{border-color:var(--cyan);color:#000;background:var(--cyan);
    box-shadow:0 0 0 4px color-mix(in oklch, var(--cyan), transparent 85%);
    animation:sim-step-pulse 1.6s ease-in-out infinite}
  @keyframes sim-step-pulse{0%,100%{box-shadow:0 0 0 4px color-mix(in oklch, var(--cyan), transparent 85%)}50%{box-shadow:0 0 0 8px color-mix(in oklch, var(--cyan), transparent 92%)}}
  .neon-root.fx-off .sim-step.active .sn{animation:none}

  /* Highlight the currently-active block */
  .sim-block.is-active{position:relative;padding:14px;margin:-2px -14px;
    border-radius:12px;background:color-mix(in oklch, var(--cyan), transparent 96%);
    box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--cyan), transparent 70%);
    animation:sim-block-hint 1.8s ease-in-out infinite}
  @keyframes sim-block-hint{0%,100%{box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--cyan), transparent 70%)}50%{box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--cyan), transparent 40%), 0 0 18px color-mix(in oklch, var(--cyan), transparent 80%)}}
  .neon-root.fx-off .sim-block.is-active{animation:none}
  .sim-block.is-active .sim-label::after{content:"← eligí";
    margin-left:8px;color:var(--cyan);font-weight:600;
    animation:sim-arrow-bob 1.4s ease-in-out infinite}
  @keyframes sim-arrow-bob{0%,100%{transform:translateX(0)}50%{transform:translateX(-4px)}}
  .neon-root.fx-off .sim-block.is-active .sim-label::after{animation:none}

  /* Upload button overlay */
  .sim-upload{position:absolute;top:14px;left:14px;z-index:5;
    display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;
    background:rgba(10,10,16,.7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid var(--line);color:var(--fg);font-size:12px;font-family:inherit;
    cursor:pointer;transition:background .2s, border-color .2s}
  .sim-upload:hover{background:rgba(0,240,255,.12);border-color:var(--cyan)}
  .sim-upload svg{width:14px;height:14px}
  .sim-upload input{position:absolute;inset:0;opacity:0;cursor:pointer}

  /* Screen overlay — the draggable mock screen */
  .sim-screen{position:absolute;cursor:grab;
    background:linear-gradient(135deg, #0a0a10 0%, #15151c 100%);
    border:2px solid #000;
    box-shadow:0 0 0 1px rgba(0,240,255,.4), 0 0 30px rgba(0,240,255,.25), 0 18px 50px rgba(0,0,0,.7);
    display:grid;
    transition:box-shadow .25s}
  .sim-screen:active{cursor:grabbing}
  .sim-screen:hover{box-shadow:0 0 0 1px var(--cyan), 0 0 50px rgba(0,240,255,.5), 0 20px 60px rgba(0,0,0,.7)}

  /* Each panel within the screen (works for single carteleria or videowall grid) */
  .sim-panel{background:
    linear-gradient(135deg, rgba(0,240,255,.18) 0%, transparent 35%),
    linear-gradient(180deg, rgba(255,255,255,.05) 0%, rgba(0,0,0,.7) 60%),
    #08080c;
    position:relative;border:1px solid #000;overflow:hidden}
  .sim-panel::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(115deg, transparent 30%, rgba(255,255,255,.08) 45%, transparent 55%);
    pointer-events:none}
  .sim-panel-label{position:absolute;bottom:6px;right:8px;
    font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.1em;
    color:rgba(0,240,255,.7);text-transform:uppercase;text-shadow:0 1px 4px rgba(0,0,0,.6)}

  /* Watermark when content image is set inside screen */
  .sim-screen .sim-content{position:absolute;inset:0;background-size:cover;background-position:center;
    opacity:.95;mix-blend-mode:screen}
  .sim-screen .sim-brand{position:absolute;bottom:8px;left:8px;z-index:2;
    font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.06em;font-weight:600;
    color:rgba(255,255,255,.92);text-shadow:0 1px 4px rgba(0,0,0,.8);
    display:flex;align-items:center;gap:6px;background:rgba(0,0,0,.4);padding:3px 8px;border-radius:4px;
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
  .sim-brand::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);
    box-shadow:0 0 6px var(--cyan)}

  /* Resize handle bottom-right */
  .sim-handle{position:absolute;bottom:-7px;right:-7px;width:18px;height:18px;border-radius:50%;
    background:var(--cyan);border:2px solid #000;cursor:nwse-resize;z-index:6;
    box-shadow:0 0 12px var(--cyan);transition:transform .15s}
  .sim-handle:hover{transform:scale(1.15)}

  /* Tooltip showing actual size while dragging/resizing */
  .sim-tooltip{position:absolute;top:-30px;left:50%;transform:translateX(-50%);
    background:rgba(10,10,16,.92);border:1px solid var(--cyan);
    padding:4px 10px;border-radius:6px;font-family:"JetBrains Mono",monospace;
    font-size:10px;letter-spacing:.08em;color:var(--cyan);white-space:nowrap;
    pointer-events:none;opacity:0;transition:opacity .15s}
  .sim-screen:hover .sim-tooltip,
  .sim-screen.dragging .sim-tooltip{opacity:1}

  /* Side panel — controls */
  .sim-side{padding:24px;background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
    border-left:1px solid var(--line);display:flex;flex-direction:column;gap:20px;overflow-y:auto}
  @media (max-width:1000px){.sim-side{border-left:0;border-top:1px solid var(--line)}}

  .sim-side h3{font-size:24px;line-height:1.05;letter-spacing:-.02em;margin:0;
    font-weight:500;color:var(--fg)}
  .sim-side h3 em{font-style:normal;color:var(--cyan)}
  .sim-side .lead{color:var(--fg-dim);font-size:13px;line-height:1.5;margin:0}

  .sim-block{display:flex;flex-direction:column;gap:10px;
    padding-top:16px;border-top:1px solid var(--line)}
  .sim-block:first-of-type{border-top:0;padding-top:0}
  .sim-label{font-family:"JetBrains Mono",monospace;font-size:10px;
    color:var(--fg-dim);letter-spacing:.1em;text-transform:uppercase;
    display:flex;justify-content:space-between;align-items:center;gap:8px}

  /* Mode toggle */
  .sim-modes{display:grid;grid-template-columns:1fr 1fr;gap:6px;
    padding:4px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
  .sim-mode{appearance:none;border:0;background:transparent;padding:10px 12px;border-radius:7px;
    color:var(--fg-dim);font:inherit;font-size:13px;font-weight:500;cursor:pointer;
    transition:background .2s, color .2s}
  .sim-mode[data-on="1"]{background:linear-gradient(180deg, color-mix(in oklch, var(--cyan), transparent 80%), color-mix(in oklch, var(--cyan), transparent 92%));
    color:var(--fg);box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--cyan), transparent 60%)}

  /* Size chips */
  .sim-chips{display:flex;flex-wrap:wrap;gap:6px}
  .sim-chip{appearance:none;border:1px solid var(--line);background:rgba(255,255,255,.02);
    color:var(--fg-dim);padding:7px 12px;border-radius:8px;font:inherit;font-size:12px;
    font-family:"JetBrains Mono",monospace;letter-spacing:.04em;cursor:pointer;
    transition:border-color .2s, background .2s, color .2s}
  .sim-chip:hover{border-color:color-mix(in oklch, var(--cyan), transparent 50%);color:var(--fg)}
  .sim-chip[data-on="1"]{border-color:var(--cyan);color:var(--fg);
    background:color-mix(in oklch, var(--cyan), transparent 88%);
    box-shadow:0 0 0 1px var(--cyan), 0 0 14px color-mix(in oklch, var(--cyan), transparent 70%)}

  /* Grid (videowall disposition) */
  .sim-grid{display:flex;align-items:center;gap:12px}
  .sim-grid .gctl{display:flex;align-items:center;gap:8px}
  .sim-grid .gctl .ginc,.sim-grid .gctl .gdec{
    width:30px;height:30px;border-radius:8px;border:1px solid var(--line);
    background:rgba(255,255,255,.03);color:var(--fg);font:inherit;font-size:16px;cursor:pointer;
    display:grid;place-items:center;transition:background .2s, border-color .2s}
  .sim-grid .gctl .ginc:hover,.sim-grid .gctl .gdec:hover{border-color:var(--cyan);background:color-mix(in oklch, var(--cyan), transparent 90%)}
  .sim-grid .gctl .gval{font-family:"JetBrains Mono",monospace;font-size:18px;color:var(--fg);min-width:28px;text-align:center}
  .sim-grid .gx{color:var(--fg-dim);font-size:14px}

  /* Scale slider */
  .sim-scale{display:flex;align-items:center;gap:12px}
  .sim-scale input[type=range]{flex:1;-webkit-appearance:none;appearance:none;height:3px;
    background:var(--line);border-radius:2px;outline:none}
  .sim-scale input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--cyan);
    cursor:pointer;border:2px solid #000;box-shadow:0 0 10px var(--cyan)}
  .sim-scale input[type=range]::-moz-range-thumb{
    width:18px;height:18px;border-radius:50%;background:var(--cyan);cursor:pointer;
    border:2px solid #000;box-shadow:0 0 10px var(--cyan)}
  .sim-scale .sval{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--cyan);
    min-width:42px;text-align:right}

  /* Scale slider with reset */
  .sim-reset{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.06em;
    text-transform:none;color:var(--cyan);background:transparent;border:1px solid color-mix(in oklch, var(--cyan), transparent 60%);
    padding:3px 8px;border-radius:999px;cursor:pointer;font-weight:600;
    transition:background .2s, color .2s}
  .sim-reset:hover{background:var(--cyan);color:#000}

  /* Action CTA */
  .sim-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;
    padding-top:18px;border-top:1px solid var(--line);position:relative}
  .sim-cta.ready{padding:18px;margin:0 -14px -14px;border-radius:14px;
    background:linear-gradient(135deg, color-mix(in oklch, var(--cyan), transparent 90%), color-mix(in oklch, var(--mag), transparent 92%));
    border-top:0;
    box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--cyan), transparent 60%)}
  .sim-cta.ready::before{content:"✨ ¡Tu pantalla está lista!";
    position:absolute;top:-12px;left:50%;transform:translateX(-50%);
    font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--cyan);font-weight:700;
    padding:4px 10px;background:var(--bg);border-radius:999px;
    border:1px solid var(--cyan);white-space:nowrap}
  .sim-cta button{position:relative;overflow:hidden;display:flex;align-items:center;
    justify-content:center;gap:10px;padding:18px 24px;
    background:linear-gradient(135deg, var(--cyan), var(--mag));
    color:#000;font-weight:700;border:0;border-radius:14px;cursor:pointer;font-family:inherit;
    font-size:14px;letter-spacing:.04em;text-transform:uppercase;
    transition:transform .25s, box-shadow .25s, filter .25s;
    box-shadow:0 0 0 0 rgba(0,240,255,0)}
  .sim-cta button:hover{transform:translateY(-1px);
    box-shadow:0 14px 40px color-mix(in oklch, var(--cyan), transparent 55%)}
  .sim-cta button::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
    transition:left .55s ease-in-out;pointer-events:none}
  .sim-cta button:hover::before{left:100%}
  .sim-cta.ready button{animation:sim-cta-pulse 1.6s ease-in-out infinite}
  @keyframes sim-cta-pulse{0%,100%{transform:scale(1);
    box-shadow:0 0 0 0 color-mix(in oklch, var(--cyan), transparent 50%),
               0 14px 40px color-mix(in oklch, var(--cyan), transparent 70%)}
    50%{transform:scale(1.025);
    box-shadow:0 0 0 8px color-mix(in oklch, var(--cyan), transparent 90%),
               0 14px 40px color-mix(in oklch, var(--cyan), transparent 50%)}}
  .neon-root.fx-off .sim-cta.ready button{animation:none}
  .sim-cta .hint{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--fg-dim);
    letter-spacing:.08em;text-transform:uppercase;text-align:center}
  .sim-cta.ready .hint{color:var(--cyan);font-weight:600}

  .sim-summary{padding:14px;border-radius:12px;border:1px solid var(--line);
    background:rgba(0,240,255,.04);font-size:13px;color:var(--fg);display:flex;flex-direction:column;gap:4px}
  .sim-summary .sk{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--fg-dim);
    letter-spacing:.08em;text-transform:uppercase}