html{color-scheme:light}body{margin:0;font-size:14px}img{max-width:100%}[hidden]{display:none!important}
/* Layout: scena 3D a sinistra (protagonista) + pannello di configurazione a destra; su telefono si impilano */
:root{
  --bg:#edf1f1; --surface:#fbfcfc; --surface-2:#e3e9e9; --ink:#132120; --muted:#5a6a68; --line:#d2dbda;
  --accent:#0d7869; --accent-ink:#ffffff; --accent-soft:#d3ebe6; --warn:#8f5200; --stage:#d7dfe0;
  --f-display:'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --f-body:'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0e1514; --surface:#151f1e; --surface-2:#1d2928; --ink:#e4eeec; --muted:#93a4a1; --line:#2a3735;
  --accent:#3dbea8; --accent-ink:#04211c; --accent-soft:#173a34; --warn:#e3a24a; --stage:#1a2423; color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0e1514; --surface:#151f1e; --surface-2:#1d2928; --ink:#e4eeec; --muted:#93a4a1; --line:#2a3735;
  --accent:#3dbea8; --accent-ink:#04211c; --accent-soft:#173a34; --warn:#e3a24a; --stage:#1a2423; color-scheme:dark }

html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.45}
*{box-sizing:border-box}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.app{height:100%;display:flex;flex-direction:column;gap:12px;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));padding-block:12px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{min-width:0}
.brand h1{font-family:var(--f-display);font-weight:700;font-size:20px;letter-spacing:-.01em;margin:0;text-wrap:balance}
.brand p{margin:2px 0 0;color:var(--muted);font-size:12.5px}
.proto{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--warn);border:1px solid currentColor;border-radius:4px;padding:1px 6px;margin-left:8px;vertical-align:2px}

.seg{display:inline-flex;background:var(--surface-2);border-radius:9px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;padding:6px 12px;border-radius:7px;cursor:pointer;font-weight:500;color:var(--muted)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}

.layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:12px}
.stage{position:relative;border-radius:14px;overflow:hidden;background:var(--stage);min-height:0}
.stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.stage canvas:active{cursor:grabbing}
.loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:13px;text-align:center;padding:24px}

.ov{position:absolute;left:10px;right:10px;display:flex;gap:8px;justify-content:space-between;align-items:flex-start;pointer-events:none}
.ov-top{top:10px;flex-wrap:wrap}
.ov-bot{bottom:10px}
.bar{pointer-events:auto;display:flex;align-items:center;gap:2px;padding:4px;max-width:100%;overflow-x:auto;scrollbar-width:none;
  background:color-mix(in srgb, var(--surface) 86%, transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:11px}
.bar::-webkit-scrollbar{display:none}
.bar .lbl{font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);padding:0 8px 0 6px;white-space:nowrap}
.bar button{border:0;background:transparent;padding:6px 10px;border-radius:8px;cursor:pointer;white-space:nowrap;font-size:13px;color:var(--ink)}
.bar button:hover{background:var(--surface-2)}
.bar button.on{background:var(--accent);color:var(--accent-ink)}
.bar button.act{font-weight:600}

.panel{overflow:auto;min-height:0;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.block{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.block:last-child{border-bottom:0}
.bh{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.block h2{font-family:var(--f-display);font-weight:500;font-size:15px;margin:0;letter-spacing:-.005em}
.hint{color:var(--muted);font-size:12px}
.code{font-family:var(--f-mono);font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}

.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 11px 5px 7px;cursor:pointer;font-size:13px}
.chip.on{border-color:var(--accent);background:var(--accent-soft)}
.dot{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.2);flex:none}
.rowb{display:flex;gap:6px;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 11px;cursor:pointer;font-size:13px;font-weight:500}
.btn:hover:not(:disabled){border-color:var(--accent)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

.segw{display:flex;flex-wrap:wrap;gap:6px}
.segw button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:13px;display:inline-flex;align-items:center;gap:7px}
.segw button.on{border-color:var(--accent);background:var(--accent-soft);font-weight:600}

.opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.opt{text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 10px;cursor:pointer;display:flex;flex-direction:column;gap:2px;min-width:0}
.opt b{font-weight:600;font-size:13px}
.opt span{font-size:12px;color:var(--muted)}
.opt.on{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}
.opt:disabled{cursor:not-allowed;opacity:.5;background:var(--surface-2)}
.opt .why{color:var(--warn);font-size:11.5px}

.sw{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}
.sw button{aspect-ratio:1;max-width:100%;border-radius:8px;border:1px solid rgba(0,0,0,.18);cursor:pointer;padding:0}
.sw button.on{outline:2px solid var(--accent);outline-offset:2px}
.sw button:disabled{opacity:.35;cursor:not-allowed}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13px;cursor:pointer}
.check input{margin-top:2px;accent-color:var(--accent)}
.check.dis{opacity:.5;cursor:not-allowed}
.check small{display:block;color:var(--muted);font-size:12px}
.file{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.file input{max-width:100%;font-size:12.5px}

table.sum{width:100%;border-collapse:collapse;font-size:12.5px}
.sum td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
.sum td.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:8px}
.sum tr.tot td{font-weight:600;border-bottom:0}
.tw{overflow-x:auto}
.form{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.form label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted);min-width:0}
.form .full{grid-column:1 / -1}
.form input,.form textarea{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:7px 9px;font-size:13px;color:var(--ink);width:100%}
.shots{display:flex;gap:6px;flex-wrap:wrap}
.shots img{width:96px;height:64px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
pre.req{white-space:pre-wrap;word-break:break-word;font-family:var(--f-mono);font-size:11.5px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;margin:0;max-height:280px;overflow:auto}
.note{font-size:12px;color:var(--muted)}
.disc{display:flex;align-items:center;gap:8px;font-size:13px}
.disc input{width:70px;border:1px solid var(--line);background:var(--bg);border-radius:6px;padding:4px 6px}

@media (max-width: 900px){
  .app{height:auto;min-height:100%}
  .layout{grid-template-columns:minmax(0,1fr)}
  .stage{height:62vh;min-height:340px}
  .panel{overflow:visible}
}
@media (max-width: 460px){ .opts{grid-template-columns:1fr} .form{grid-template-columns:1fr} .sw{grid-template-columns:repeat(4,1fr)} }
@media (prefers-reduced-motion: reduce){ *{transition:none!important} }
.status{font-size:12.5px;padding:8px 10px;border-radius:8px;background:var(--accent-soft);color:var(--ink)}
.status.err{background:color-mix(in srgb, var(--warn) 18%, transparent)}