:root{--bg: #05070d;--panel: #0d1424;--panel-2: #111a2e;--border: #1e2a44;--text: #e6edf7;--muted: #7c8aa5;--accent: #38bdf8;--accent-glow: rgba(56, 189, 248, .35)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 800px at 50% -10%,#0b1830 0%,var(--bg) 60%);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;min-height:100vh}.app{display:grid;grid-template-columns:240px minmax(0,auto) 240px;gap:20px;align-items:start;justify-content:center;padding:28px;max-width:1200px;margin:0 auto}.panel-col{display:flex;flex-direction:column;gap:16px}.brand{display:flex;align-items:center;gap:12px;margin:4px 0 8px}.brand-bot{width:42px;height:46px;flex:0 0 auto;filter:drop-shadow(0 0 7px rgba(59,130,246,.45))}.brand-name{font-size:30px;font-weight:800;line-height:.9;letter-spacing:1px;color:var(--text)}.brand-name span{color:var(--accent);text-shadow:0 0 18px var(--accent-glow)}.card{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:inset 0 1px #ffffff08}.card-title{font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin:0 0 10px}.objective,.how{margin:0;font-size:15px;line-height:1.5;color:#cbd5e1}.actions{display:flex;flex-direction:column;gap:10px;margin-top:4px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:linear-gradient(180deg,var(--panel-2),var(--panel));color:var(--text);padding:12px 14px;border-radius:10px;font-size:14px;font-weight:600;text-align:left;cursor:pointer;transition:border-color .15s,transform .05s,box-shadow .15s}.btn:hover:not(:disabled){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-glow)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:linear-gradient(180deg,#0ea5e9,#0284c7);border-color:#0ea5e9;text-align:center}.level-picker{display:flex;gap:6px;align-items:stretch}.level-picker .btn{text-align:center;padding:10px 12px}.level-picker .btn.icon{flex:0 0 auto;padding:10px 12px}.level-input{flex:1;min-width:0;background:#0a1020;border:1px solid var(--border);border-radius:10px;color:var(--text);text-align:center;font-size:15px;font-weight:700;outline:none}.level-input:focus{border-color:var(--accent)}.board-frame{position:relative;width:fit-content;margin:0 auto;background:linear-gradient(160deg,#161d2b,#0b0f18);border:3px solid #232c3f;border-radius:18px;padding:18px;box-shadow:0 20px 60px #00000080,inset 0 0 0 2px #0006}.board{display:block;width:min(72vh,92vw,640px);height:min(72vh,92vw,640px)}.robot:focus,.robot:focus-visible,.arrow:focus,.arrow:focus-visible{outline:none}.cell{fill:#3a4152;stroke:#2a3040;stroke-width:1.5}.center-block{fill:#0c0f17;stroke:#05070d;stroke-width:1.5}.target-panel{fill:currentColor;opacity:.85;filter:drop-shadow(0 0 8px currentColor);animation:pulse 1.8s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.7}50%{opacity:1}}.wall{fill:#0b0f18;stroke:#060911;stroke-width:1}.robot{filter:drop-shadow(0 2px 3px rgba(0,0,0,.5));transition:transform .3s cubic-bezier(.16,1,.3,1)}.robot.selected{filter:drop-shadow(0 0 6px rgba(255,255,255,.35))}.arrow-hit{fill:#38bdf81f;stroke:var(--accent);stroke-width:1.5}.arrow-glyph{fill:var(--accent)}.arrow:hover .arrow-hit{fill:#38bdf84d}.status{display:flex;flex-direction:column;gap:14px;text-align:center}.stat{display:flex;flex-direction:column;gap:2px}.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--muted)}.stat-value{font-size:34px;font-weight:800;color:var(--text)}.phase-badge,.solved-badge{position:absolute;left:50%;transform:translate(-50%);padding:8px 16px;border-radius:999px;font-size:14px;font-weight:700;border:1px solid var(--border);background:#0d1424eb;white-space:nowrap}.phase-badge{top:26px;color:var(--accent);border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.solved-badge{bottom:26px;color:#22c55e;border-color:#22c55e;box-shadow:0 0 20px #22c55e4d}.win-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#05070db3;border-radius:18px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.win-card{text-align:center;padding:28px 32px;background:var(--panel);border:1px solid var(--accent);border-radius:16px;box-shadow:0 0 40px var(--accent-glow)}.win-title{font-size:26px;font-weight:800;margin:0;color:var(--accent)}.win-sub{margin:6px 0 16px;color:var(--muted)}.ready-list{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:6px;text-align:left}.ready-row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:6px 10px;border-radius:8px;background:#0a102099;border:1px solid var(--border)}.ready-row .ready-tag{font-size:12px;font-weight:700;color:var(--muted)}.ready-row.pronto{border-color:#22c55e}.ready-row.pronto .ready-tag{color:#22c55e}.ready-row.offline{opacity:.55}.win-card .btn{width:100%;margin-top:8px}.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);text-align:center}.btn.ghost:hover:not(:disabled){color:var(--text);box-shadow:none}.btn.block{text-align:center;width:100%}.home,.lobby{max-width:420px;margin:8vh auto 0;padding:24px;display:flex;flex-direction:column;gap:18px;align-items:stretch;text-align:center}.brand.center{justify-content:center}.brand.big .brand-bot{width:56px;height:62px}.brand.big .brand-name{font-size:44px}.home-sub,.lobby-sub{color:var(--muted);margin:-6px 0 6px}.home-actions{display:flex;flex-direction:column;gap:12px}.lobby-card{display:flex;flex-direction:column;gap:14px;text-align:left}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.field input,.code-input{background:#0a1020;border:1px solid var(--border);border-radius:8px;padding:11px 12px;color:var(--text);font-size:15px;outline:none}.field input:focus,.code-input:focus{border-color:var(--accent)}.config-row{display:flex;gap:10px}.config-row .field{flex:1}.divider{text-align:center;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:1px}.join-row{display:flex;gap:10px}.code-input{width:110px;text-align:center;letter-spacing:4px;font-weight:700;text-transform:uppercase}.join-row .btn{flex:1}.error-msg{color:#f87171;font-size:14px;margin:0}.rank-table{width:100%;border-collapse:collapse;font-size:14px}.rank-table th{text-align:left;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:6px 8px;border-bottom:1px solid var(--border)}.rank-table td{padding:8px;border-bottom:1px solid rgba(30,42,68,.5)}.rank-table th:nth-child(3),.rank-table th:nth-child(4),.rank-table td:nth-child(3),.rank-table td:nth-child(4){text-align:right}.rank-pos{color:var(--muted);width:28px}.rank-chips{color:var(--accent);font-weight:700}.code-badge{font-size:34px;font-weight:800;letter-spacing:6px;color:var(--accent);text-shadow:0 0 18px var(--accent-glow);text-align:center}.code-hint{font-size:12px;color:var(--muted);text-align:center;margin:8px 0 0}.player-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.player-list li{display:flex;align-items:center;gap:8px;font-size:14px}.player-list .dot{width:8px;height:8px;border-radius:50%}.player-list .dot.on{background:#22c55e}.player-list .dot.off{background:var(--muted)}.host-tag,.you-tag{font-size:10px;text-transform:uppercase;letter-spacing:1px;padding:1px 6px;border-radius:6px;border:1px solid var(--border);color:var(--muted)}.you-tag{color:var(--accent);border-color:var(--accent)}.player-list .score{margin-left:auto;font-weight:700}@media (max-width: 1180px){.app{grid-template-columns:1fr;padding:16px}.panel-col{flex-direction:row;flex-wrap:wrap;justify-content:center}.panel-col>*{flex:1 1 240px;max-width:360px}.board-frame{order:-1}}@media (max-width: 560px){.panel-col{flex-direction:column}.brand.big 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