:root{color-scheme:dark;font-family:Segoe UI,system-ui,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a12;color:#fafafa;overflow:hidden}.game-container{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;position:relative;background:linear-gradient(135deg,#0a0a12,#1a1a2e,#16213e)}.game-canvas{border:2px solid rgba(255,255,255,.15);border-radius:8px;box-shadow:0 0 40px #00000080,0 0 120px #2196f31a;cursor:crosshair}.notification{position:fixed;top:20px;left:50%;transform:translate(-50%);background:#4caf50e6;color:#fff;padding:10px 24px;border-radius:8px;font-weight:600;font-size:14px;z-index:1000;animation:slideDown .3s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:10}.overlay-screen{background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.menu-screen{background:linear-gradient(135deg,#0a0a12,#1a1a2e,#16213e)}.menu-content{text-align:center;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.game-title{font-size:3.5rem;font-weight:900;letter-spacing:.15em;background:linear-gradient(135deg,#ff6b35,gold,#ff6b35);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:none;margin-bottom:8px;animation:pulse 3s ease-in-out infinite}@keyframes pulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.2)}}.subtitle{font-size:1.2rem;color:#fff9;margin-bottom:30px;letter-spacing:.3em;text-transform:uppercase}.menu-stats{display:flex;gap:30px;justify-content:center;margin-bottom:30px;font-size:1.1rem;color:#ffffffb3}.menu-buttons{display:flex;flex-direction:column;gap:12px;align-items:center}.btn{padding:12px 36px;border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;letter-spacing:.1em;transition:all .2s;min-width:220px;text-transform:uppercase}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px #0000004d}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,#ff6b35,#ff8a50);color:#fff;box-shadow:0 4px 15px #ff6b354d}.btn-primary:hover{box-shadow:0 4px 25px #ff6b3580}.btn-secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{background:#fff3}.btn-danger{background:#f4433633;color:#f44336;border:1px solid rgba(244,67,54,.3);font-size:.85rem;padding:8px 24px}.btn-danger:hover{background:#f443364d}.btn-buy{background:linear-gradient(135deg,#ffd600,#ffa000);color:#000;padding:8px 20px;font-size:.85rem}.btn-back{background:#ffffff0d;color:#fff9;border:1px solid rgba(255,255,255,.1);margin-top:20px;padding:8px 24px;font-size:.9rem}.btn-sm{padding:8px 20px;font-size:.85rem;min-width:auto}.controls-hint{margin-top:30px;color:#ffffff59;font-size:.85rem}.panel{background:#0f0f1ef2;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:30px 40px;max-width:860px;max-height:90vh;overflow-y:auto;animation:fadeIn .3s ease-out;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.panel-sm{max-width:400px;text-align:center}.panel h2{font-size:1.8rem;margin-bottom:20px;letter-spacing:.1em;text-align:center;background:linear-gradient(135deg,#ff6b35,gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-bottom:10px}.level-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;cursor:pointer;transition:all .2s}.level-card:hover:not(.locked){border-color:#ff6b3580;background:#ffffff0f}.level-card.selected{border-color:#ff6b35;background:#ff6b351a}.level-card.locked{opacity:.4;cursor:default}.level-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.level-num{color:#fff6;font-size:.85rem;font-weight:700}.mode-badge{font-size:.65rem;padding:2px 8px;border-radius:4px;text-transform:uppercase;font-weight:700;letter-spacing:.1em}.mode-rescue{background:#4caf5033;color:#81c784}.mode-combat{background:#f4433633;color:#ef5350}.mode-challenge{background:#ff980033;color:#ffb74d}.level-card h3{font-size:1rem;margin-bottom:6px}.level-desc{font-size:.75rem;color:#ffffff80;margin-bottom:8px}.level-info{display:flex;flex-direction:column;gap:2px;font-size:.7rem;color:#fff9;margin-bottom:8px}.high-score{font-size:.75rem;color:#ffd600;margin-bottom:8px}.heli-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:10px}.heli-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;text-align:center;transition:all .2s}.heli-card.selected{border-color:#ff6b35;background:#ff6b351a}.heli-card.locked{opacity:.4}.heli-preview{width:80px;height:80px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center}.heli-icon{font-size:2.5rem}.heli-card h3{font-size:1rem;margin-bottom:4px}.heli-card p{font-size:.75rem;color:#ffffff80;margin-bottom:10px}.heli-stats{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}.stat-bar{display:flex;align-items:center;gap:6px}.stat-label{font-size:.65rem;width:28px;text-align:right;color:#fff9}.stat-track{flex:1;height:5px;background:#ffffff1a;border-radius:3px;overflow:hidden}.stat-fill{height:100%;border-radius:3px;transition:width .3s}.lock-badge{font-size:.75rem;color:#fff6;margin-top:6px}.selected-badge{color:#4caf50;font-weight:700;font-size:.85rem;margin-top:6px}.shop-coins{text-align:center;font-size:1.2rem;color:#ffd600;margin-bottom:20px}.upgrade-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:10px}.upgrade-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;text-align:center}.upgrade-icon{font-size:2rem;margin-bottom:8px}.upgrade-card h3{font-size:.95rem;margin-bottom:8px}.upgrade-level{display:flex;gap:4px;justify-content:center;margin-bottom:8px}.level-pip{width:16px;height:8px;background:#ffffff1a;border-radius:4px}.level-pip.filled{background:#ff6b35}.upgrade-card p{font-size:.75rem;color:#ffffff80;margin-bottom:10px}.maxed-badge{color:#4caf50;font-weight:700;font-size:.85rem}.game-over-panel{border-color:#f443364d}.game-over-panel h2{color:#f44336;-webkit-text-fill-color:#F44336}.level-complete-panel{border-color:#4caf504d}.level-complete-panel h2{color:#4caf50;-webkit-text-fill-color:#4CAF50}.final-score{margin:20px 0}.score-label{font-size:.85rem;color:#ffffff80;text-transform:uppercase;letter-spacing:.2em}.score-value{font-size:2.5rem;font-weight:900;color:gold}.final-stats{display:flex;gap:20px;justify-content:center;margin-bottom:20px;font-size:.9rem;color:#ffffffb3}.panel::-webkit-scrollbar{width:6px}.panel::-webkit-scrollbar-track{background:transparent}.panel::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}@media(max-width:960px){.game-title{font-size:2.2rem}.panel{padding:20px;margin:10px}.level-grid,.heli-grid,.upgrade-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}}