@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg: #050810;--surface: #0c1020;--surface-hover: #131a30;--border: rgba(255, 255, 255, .06);--text: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #475569;--accent: #38bdf8;--accent-dim: rgba(56, 189, 248, .15);--echo-color: #38bdf8;--echo-glow: rgba(56, 189, 248, .3);--danger: #f43f5e;--danger-dim: rgba(244, 63, 94, .15);--gold: #fbbf24;--gold-dim: rgba(251, 191, 36, .15);--green: #34d399;--green-dim: rgba(52, 211, 153, .15);--purple: #a78bfa;--wall: #1e293b;--radius: 12px;--radius-sm: 8px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center}.header{position:sticky;top:0;z-index:50;width:100%;background:#050810e6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:.5rem}.logo-icon{font-size:1.3rem}.logo-text{font-size:1.15rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header-info{display:flex;align-items:center;gap:1rem;font-size:.78rem;color:var(--text-muted)}.header-info .level-badge{background:var(--accent-dim);color:var(--accent);padding:.2rem .6rem;border-radius:100px;font-weight:600;font-size:.7rem;letter-spacing:.04em}.menu-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center;max-width:520px;width:100%}.menu-title{font-size:clamp(2.5rem,8vw,4rem);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin-bottom:.5rem}.menu-title .echo{background:linear-gradient(135deg,var(--accent),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.menu-title .hunt{color:var(--text)}.menu-subtitle{color:var(--text-secondary);font-size:1rem;margin-bottom:2.5rem;max-width:360px}.menu-sonar{width:160px;height:160px;border-radius:50%;border:2px solid rgba(56,189,248,.15);display:grid;place-items:center;margin-bottom:2.5rem;position:relative;animation:sonarSpin 8s linear infinite}.menu-sonar:before{content:"";position:absolute;width:100px;height:100px;border-radius:50%;border:1.5px solid rgba(56,189,248,.2)}.menu-sonar:after{content:"";position:absolute;width:50px;height:50px;border-radius:50%;background:radial-gradient(circle,var(--echo-glow),transparent 70%);animation:sonarPulse 2s ease-in-out infinite}@keyframes sonarSpin{to{transform:rotate(360deg)}}@keyframes sonarPulse{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.4);opacity:1}}.sonar-line{position:absolute;width:2px;height:50%;background:linear-gradient(to top,transparent,var(--accent));bottom:50%;left:calc(50% - 1px);transform-origin:bottom center}.menu-btn{padding:.9rem 2.5rem;font-size:1rem;font-weight:700;font-family:inherit;border:none;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),var(--purple));color:#050810;cursor:pointer;transition:all .2s;letter-spacing:-.01em;margin-bottom:1rem}.menu-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px #38bdf840}.menu-btn:active{transform:translateY(0)}.menu-btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:.7rem 1.8rem;font-size:.85rem;font-weight:600}.menu-btn.secondary:hover{background:var(--surface);border-color:#38bdf833;color:var(--text);box-shadow:none}.menu-controls{margin-top:1.5rem;font-size:.75rem;color:var(--text-muted);line-height:1.8}.menu-controls kbd{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:.15rem .4rem;font-family:inherit;font-size:.7rem;color:var(--text-secondary)}.game-view{flex:1;display:flex;flex-direction:column;align-items:center;width:100%;padding:1rem}.game-hud{display:flex;align-items:center;gap:1.5rem;margin-bottom:.75rem;flex-wrap:wrap;justify-content:center}.hud-item{display:flex;align-items:center;gap:.4rem;font-size:.82rem;color:var(--text-secondary)}.hud-item .hud-icon{font-size:1rem}.hud-item .hud-val{font-weight:700;color:var(--text)}.echoes-remaining{display:flex;gap:.3rem}.echo-pip{width:10px;height:10px;border-radius:50%;background:var(--accent);opacity:.9;transition:all .3s}.echo-pip.used{background:var(--text-muted);opacity:.3}.game-grid-wrap{position:relative;margin-bottom:1rem}.game-grid{display:grid;gap:1px;background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.cell{width:100%;aspect-ratio:1;display:grid;place-items:center;font-size:clamp(.8rem,2.5vw,1.2rem);transition:background .3s,box-shadow .3s;position:relative;-webkit-user-select:none;user-select:none}.cell-dark{background:#080c16}.cell-revealed{background:#0f1729}.cell-wall{background:var(--wall);border:1px solid rgba(255,255,255,.04)}.cell-wall.revealed{background:#273352}.cell-trap{background:#080c16}.cell-trap.revealed{background:var(--danger-dim);box-shadow:inset 0 0 12px #f43f5e26}.cell-exit{background:#080c16}.cell-exit.revealed{background:var(--gold-dim);box-shadow:inset 0 0 16px #fbbf2426}.cell-treasure{background:#080c16}.cell-treasure.revealed{background:var(--gold-dim);box-shadow:inset 0 0 16px #fbbf2433}.cell-player{z-index:2}.cell-player:after{content:"";width:55%;height:55%;border-radius:50%;background:radial-gradient(circle,var(--accent),rgba(56,189,248,.4));box-shadow:0 0 12px var(--echo-glow),0 0 30px #38bdf826;animation:playerGlow 2s ease-in-out infinite}@keyframes playerGlow{0%,to{box-shadow:0 0 12px var(--echo-glow),0 0 30px #38bdf826}50%{box-shadow:0 0 20px var(--echo-glow),0 0 50px #38bdf840}}.cell-moving-obstacle.revealed{background:var(--danger-dim)}.cell-fake-exit.revealed{background:var(--purple);background:#a78bfa1f}.echo-ripple{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:5;display:grid;place-items:center}.echo-ring{border-radius:50%;border:2px solid var(--accent);animation:echoExpand 1.2s ease-out forwards;opacity:0}@keyframes echoExpand{0%{width:10%;height:10%;opacity:.9}to{width:200%;height:200%;opacity:0}}.action-bar{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap;justify-content:center}.action-btn{padding:.7rem 1.5rem;font-size:.9rem;font-weight:700;font-family:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:.5rem}.action-btn:hover{background:var(--surface-hover);border-color:#38bdf833}.action-btn:active{transform:scale(.97)}.action-btn.echo-btn{background:linear-gradient(135deg,#38bdf826,#a78bfa26);border-color:#38bdf84d;color:var(--accent)}.action-btn.echo-btn:hover{background:linear-gradient(135deg,#38bdf840,#a78bfa40)}.action-btn.echo-btn:disabled{opacity:.35;cursor:not-allowed}.action-btn.echo-btn:disabled:hover{background:linear-gradient(135deg,#38bdf826,#a78bfa26);transform:none}.dpad{display:grid;grid-template-areas:". up ." "left . right" ". down .";gap:.35rem;margin-bottom:.75rem}.dpad-btn{width:52px;height:52px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);font-size:1.3rem;cursor:pointer;display:grid;place-items:center;transition:all .1s;-webkit-tap-highlight-color:transparent}.dpad-btn:active{background:var(--surface-hover);transform:scale(.92)}.dpad-btn.up{grid-area:up}.dpad-btn.down{grid-area:down}.dpad-btn.left{grid-area:left}.dpad-btn.right{grid-area:right}.level-info{text-align:center;margin-bottom:.75rem}.level-name{font-size:1rem;font-weight:700;letter-spacing:-.02em}.level-desc{font-size:.78rem;color:var(--text-muted);margin-top:.15rem}.game-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#050810d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;display:grid;place-items:center;padding:1.5rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;max-width:400px;width:100%;text-align:center;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.overlay-icon{font-size:3rem;margin-bottom:1rem}.overlay-title{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;margin-bottom:.5rem}.overlay-text{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem;line-height:1.6}.overlay-stats{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1.5rem}.overlay-stat{text-align:center}.overlay-stat-val{font-size:1.3rem;font-weight:700;color:var(--accent)}.overlay-stat-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.level-select{width:100%;max-width:480px;padding:1rem}.level-select h2{text-align:center;font-size:1.3rem;font-weight:800;margin-bottom:1.25rem;letter-spacing:-.02em}.level-list{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.level-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .15s}.level-item:hover{background:var(--surface-hover);border-color:#38bdf833;transform:translateY(-1px)}.level-item.locked{opacity:.4;cursor:not-allowed}.level-item.locked:hover{background:var(--surface);border-color:var(--border);transform:none}.level-num{width:36px;height:36px;border-radius:50%;background:var(--accent-dim);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:.85rem;flex-shrink:0}.level-item.locked .level-num{background:#ffffff0a;color:var(--text-muted)}.level-item-info{flex:1;min-width:0}.level-item-name{font-weight:600;font-size:.95rem}.level-item-theme{font-size:.75rem;color:var(--text-muted)}.level-item-stars{font-size:.75rem;color:var(--gold);letter-spacing:.1em}.toast{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);background:var(--surface);border:1px solid rgba(56,189,248,.2);border-radius:var(--radius);padding:.75rem 1.25rem;font-size:.85rem;font-weight:500;z-index:200;box-shadow:0 8px 30px #0006;animation:slideUp .3s ease;display:flex;align-items:center;gap:.5rem}@media(min-width:640px){.dpad{display:none}}@media(max-width:639px){.game-hud{gap:.75rem}.hud-item{font-size:.75rem}}