html,body{height:100%;margin:0}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--slate:#1e2a28;--slate-deep:#15201e;--chalk:#f3efe4;--chalk-dim:#b7b09f;--dust:#c8b48a;--ink-line:#f3efe424;--accent:#7ec8b0;--warn:#e0b36a;--danger:#e08a7a;--border:#f3efe424;font-family:Sora,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--slate-deep);height:100%;color:var(--chalk);touch-action:none;-webkit-user-select:none;user-select:none;margin:0;overflow:hidden}.app{grid-template-rows:1fr;height:100%;min-height:0;display:grid;position:relative}.stage{background:radial-gradient(1200px 700px at 20% 10%,#7ec8b012,#0000 55%),radial-gradient(900px 600px at 90% 80%,#c8b48a0f,#0000 50%),linear-gradient(#243330 0%,#1a2624 55%,#15201e 100%);height:100%;min-height:0;position:relative;overflow:hidden}.stage:before{content:"";pointer-events:none;opacity:.22;mix-blend-mode:soft-light;z-index:0;background-image:url("data:image/svg+xml,%3Csvg 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.2s}.mark-btn:hover{color:var(--chalk);border-color:var(--ink-line);background:#00000059}.selection-orb{z-index:9;pointer-events:auto;width:56px;height:56px;position:absolute}.orb-core{appearance:none;cursor:pointer;z-index:2;width:56px;height:56px;color:var(--slate-deep);background:radial-gradient(circle at 30% 25%,#f7f1df,#d9c49a 70%);border:0;border-radius:50%;transition:transform .25s;position:relative;box-shadow:0 10px 28px #00000059,inset 0 1px #ffffff59}.orb-core:hover{transform:scale(1.05)}.orb-gear{place-items:center;animation:8s linear infinite gear-idle;display:grid}.selection-orb.is-open .orb-gear{animation:1.1s both gear-spin}@keyframes gear-idle{to{transform:rotate(360deg)}}@keyframes gear-spin{0%{transform:rotate(0)scale(.9)}to{transform:rotate(180deg)scale(1)}}.orb-pulse{pointer-events:none;border:1px solid #d9c49a8c;border-radius:50%;animation:2.2s ease-out infinite pulse-ring;position:absolute;inset:-6px}@keyframes pulse-ring{0%{opacity:.7;transform:scale(.92)}to{opacity:0;transform:scale(1.35)}}.orb-petal{appearance:none;width:58px;height:58px;color:var(--chalk);cursor:pointer;opacity:0;pointer-events:none;transition:opacity .28s ease var(--delay,0s), transform .35s cubic-bezier(.2, .9, .2, 1.1) var(--delay,0s);z-index:1;background:#121c1aeb;border:1px solid #f3efe42e;border-radius:50%;place-items:center;margin:-29px 0 0 -29px;display:grid;position:absolute;top:50%;left:50%;transform:translate(0)scale(.4)}.selection-orb.is-open .orb-petal{opacity:1;transform:translate(var(--tx), var(--ty)) 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var(--border);pointer-events:auto;border-radius:999px;align-items:flex-start;gap:12px;max-width:min(560px,100% - 24px);padding:12px 14px;font-size:.92rem;line-height:1.35;animation:.35s both toast-in;display:flex;position:absolute;top:18px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #00000059}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.toast span{flex:1}.toast button{appearance:none;color:inherit;cursor:pointer;opacity:.7;background:0 0;border:0}.toast-info{color:#d7efe6;background:#1e302cf2}.toast-ok{color:#c8f0d8;background:#1c342af2}.toast-warn{color:#ffe2a8;background:#342a16f2}.toast-error{color:#ffc9c9;background:#341c1af2}.stage-solve{z-index:1;grid-template-columns:1fr;gap:0;display:grid}.stage-solve.with-figure{grid-template-columns:1fr minmax(280px,42%)}.stage-solve .board-wrap.hidden-for-solve{display:none}.solution-panel{z-index:5;pointer-events:auto;background:#121816f0;border:1px solid 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