:root{--bg: #f4f5f7;--card: #fff;--ink: #1c2026;--muted: #5d6673;--line: #d5d9e0;--brand: #0b3d91;--warn: #b00020;--ok: #1b6e3a}@media (prefers-color-scheme: dark){:root{--bg: #14171b;--card: #1d2127;--ink: #eceff3;--muted: #9aa4b2;--line: #343b45;--brand: #7aa7ff;--warn: #ff6b7d;--ok: #5cc98a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,Segoe UI,sans-serif}.app{max-width:1100px;margin:0 auto;padding:0 16px 32px}.top{display:flex;align-items:center;gap:10px;padding:14px 0}.top h1{font-size:1.2rem;margin:0}.badge{background:var(--warn);color:#fff;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:99px}.layout{display:grid;gap:16px;grid-template-columns:1fr}@media (min-width: 900px){.layout{grid-template-columns:1.1fr 1fr;align-items:start}.preview{position:sticky;top:12px}}.preview{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;position:sticky;top:0;z-index:2}@media (max-width: 899px){.preview{top:0}}.stage svg{width:100%;height:auto;display:block}.controls{display:grid;gap:12px}fieldset{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:0;padding:10px 12px 12px;display:grid;gap:10px;min-width:0}legend{font-weight:600;padding:0 6px}fieldset.overflow{border-color:var(--warn)}fieldset.tight{border-color:#c98a00}label{display:grid;gap:4px;font-size:.85rem;color:var(--muted)}.lbl{font-size:.85rem;color:var(--muted);display:block;margin-bottom:4px}label.check{display:flex;align-items:center;gap:10px;color:var(--ink);min-height:44px;font-size:1rem}label.check input{width:22px;height:22px;margin:0}input[type=text],select{width:100%;padding:10px;font-size:16px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}input[type=range]{width:100%;height:36px}.row{display:grid;gap:10px;grid-template-columns:1fr}@media (min-width: 520px){.row{grid-template-columns:1fr 1fr}}.seg{display:flex;gap:6px;flex-wrap:wrap}.seg button{flex:1}button{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;min-height:44px}button.on,button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}button:disabled{opacity:.5;cursor:not-allowed}.small button{min-height:38px;padding:6px 8px;font-size:.85rem}.swatches{display:flex;gap:8px;flex-wrap:wrap}.swatch{width:36px;height:36px;min-height:36px;padding:0;border-radius:50%;border:2px solid var(--line)}.swatch.on{outline:3px solid var(--brand);outline-offset:2px}.actions{display:grid;gap:8px;grid-template-columns:1fr 1fr}.actions .primary{grid-column:1 / -1}.warn{color:var(--warn);margin:0;font-size:.85rem}.hint,.note{color:var(--muted);margin:0;font-size:.8rem}.msg.ok{color:var(--ok);margin:0}.fit{justify-self:start}