:root{--bg: #0b1020;--bg2: #151c38;--panel: #1a2244;--text: #f2f5ff;--muted: #b4bfe0;--accent: #ffd84d;--accent-ink: #2a1d00;--line: rgba(150, 175, 255, .28);--focus: #7dffb2}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}body{background:radial-gradient(120% 90% at 50% 0%,var(--bg2) 0%,var(--bg) 70%);overflow:hidden}#app{position:fixed;inset:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#boot{display:grid;place-items:center;height:100%;font-size:1.2rem;color:var(--muted)}.game{display:flex;flex-direction:column;height:100%;max-width:900px;margin:0 auto}.hud{padding:8px 12px 4px}.hud-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.hud-level{font-weight:700;font-size:clamp(.95rem,2.6vw,1.15rem)}.hud-stats{display:flex;gap:8px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:4px 10px;display:flex;flex-direction:column;align-items:center;min-width:74px;line-height:1.15}.stat .lbl{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.stat b{font-size:1.1rem;font-variant-numeric:tabular-nums}.stat-moves.low{border-color:#ff6b6b}.stat-moves.low b{color:#ff8e8e}.goals{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0}.goal{display:flex;align-items:center;gap:6px;padding:3px 10px 3px 6px;background:#ffffff0f;border:1px solid var(--line);border-radius:999px;font-size:.85rem}.goal.done{border-color:var(--focus);color:#c8ffe0}.stage{flex:1 1 auto;min-height:0;position:relative}.board{display:block;width:100%;height:100%;touch-action:none;outline:none;border-radius:12px;user-select:none;-webkit-user-select:none}.board:focus-visible{box-shadow:inset 0 0 0 3px var(--focus)}.bar{display:flex;gap:8px;justify-content:center;padding:6px 12px 10px}.btn{font:inherit;font-weight:700;color:var(--text);background:var(--panel);border:2px solid var(--line);border-radius:12px;padding:12px 18px;min-height:44px;cursor:pointer}.btn.small{padding:8px 14px;min-height:44px;font-size:.95rem}.btn:hover{border-color:#9cb4ff}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible,.lvl:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.overlay{position:fixed;inset:0;display:grid;place-items:center;padding:16px;background:#050814c7;backdrop-filter:blur(3px);overflow:auto}.overlay[hidden]{display:none}.card{width:min(440px,100%);max-height:100%;overflow:auto;text-align:center;background:linear-gradient(180deg,#1d2750,#141b3a);border:1px solid var(--line);border-radius:20px;padding:22px 20px;box-shadow:0 20px 60px #00000080}.card h1{margin:0 0 8px;font-size:clamp(1.4rem,5vw,1.8rem)}.card p{margin:6px 0;color:var(--muted);line-height:1.45;font-size:1.02rem}.badge{font-size:2.2rem;letter-spacing:.15em;color:var(--accent);margin-bottom:4px}.card-buttons{display:flex;flex-direction:column;gap:10px;margin-top:16px}.card-html{margin:10px 0}.card-html svg{max-width:100%;height:auto}.lvl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;margin-top:12px}.lvl{font:inherit;font-weight:700;color:var(--text);background:var(--panel);border:2px solid var(--line);border-radius:12px;min-height:54px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center}.lvl small{font-weight:400;color:var(--muted);font-size:.7rem}.lvl.done{border-color:#38d39a}.lvl:disabled{opacity:.4;cursor:not-allowed}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-height: 520px){.hud{padding-top:4px}.goals{margin-top:4px}.bar{padding:4px 12px 6px}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}