body{margin:0;padding:0;background-color:#060814;color:#f0f6fc;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-user-select:none;user-select:none}.app-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:radial-gradient(circle at center,#0f162e,#040612);overflow:hidden}.screen{display:flex;flex-direction:column;align-items:center;background:#0a0f1eeb;border:2px solid #3b82f6;border-radius:24px;padding:30px 40px;box-shadow:0 0 40px #3b82f640;max-width:850px;width:90%;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.game-title{font-size:2.8rem;margin:0 0 10px;background:linear-gradient(to right,#fb923c,#38bdf8,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:flex;align-items:center;justify-content:center;gap:15px;text-shadow:0 0 20px rgba(56,189,248,.3)}.title-emoji{-webkit-text-fill-color:initial}.subtitle{color:#94a3b8;font-size:1.1rem;margin-bottom:25px}.game-intro-card{background:#0f172a99;border:1px solid #1e293b;border-radius:16px;padding:15px 20px;width:100%;margin-bottom:25px;box-sizing:border-box}.game-intro-card h3{margin-top:0;color:#fbbf24;font-size:1.15rem;margin-bottom:15px}.coop-mechanics{display:flex;justify-content:space-between;gap:15px}.coop-card{flex:1;background:#1e293b4d;border:1px solid #334155;border-radius:12px;padding:12px;text-align:center}.coop-icon{font-size:1.8rem;margin-bottom:5px}.coop-card h4{margin:5px 0;color:#38bdf8;font-size:.95rem}.coop-card p{margin:0;font-size:.75rem;color:#94a3b8;line-height:1.4}.controls-preview{display:flex;justify-content:space-between;width:100%;gap:20px;margin-bottom:30px}.player-guide{flex:1;background:#1e293b33;border:1px dashed #475569;border-radius:16px;padding:15px}.player-guide h4{margin-top:0;font-size:1rem}.p1-guide h4{color:#f97316}.p2-guide h4{color:#a855f7}.keys{display:flex;justify-content:center;gap:6px;margin:10px 0}.key{background:#1e293b;border-bottom:3px solid #020617;padding:4px 12px;border-radius:6px;font-weight:700;font-size:.9rem;color:#f8fafc}.action-row{display:flex;gap:15px;align-items:center}.btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 28px;font-size:1.1rem;font-weight:700;border:none;border-radius:50px;cursor:pointer;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;box-shadow:0 4px 15px #3b82f666}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}.btn-secondary{background:#1e293b;color:#94a3b8;border:1px solid #334155}.btn-secondary:hover{background:#334155;color:#f1f5f9}.btn-lg{padding:14px 40px;font-size:1.25rem}.game-container{display:flex;flex-direction:column;align-items:center;gap:10px}.hud{display:flex;justify-content:space-between;align-items:center;width:800px;background:#0a0f1ef2;border:2px solid #1e293b;border-radius:16px;padding:12px 20px;box-sizing:border-box;box-shadow:0 4px 20px #0006}.player-hud{width:180px}.synergy-hud{width:280px;text-align:center;display:flex;flex-direction:column;align-items:center}.synergy-title{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#fbbf24;font-weight:700;margin-bottom:4px}.synergy-bar-container{width:100%;height:12px;background:#0f172a;border-radius:6px;overflow:hidden;border:1px solid #334155}.synergy-bar{height:100%;background:linear-gradient(to right,#f97316,#fbbf24,#10b981);transition:width .1s ease}.synergy-bar.ult-active{background:linear-gradient(90deg,#ef4444,#f59e0b,#10b981,#3b82f6,#ef4444);background-size:200% 100%;animation:rainbowGlow 1.5s linear infinite}.synergy-text{font-size:.75rem;color:#94a3b8;margin-top:4px}.ult-text{color:#fbbf24;font-weight:700;animation:pulse 1s infinite alternate}.hud-header{display:flex;align-items:center;gap:8px;font-weight:700;margin-bottom:6px;font-size:.9rem}.hp-bar-container{width:100%;height:8px;background:#1e293b;border-radius:4px;overflow:hidden;border:1px solid #334155}.hp-bar{height:100%;transition:width .1s ease}.hud-stats{display:flex;justify-content:space-between;font-size:.75rem;color:#94a3b8;margin-top:4px}.buffs{display:flex;gap:4px;margin-top:4px;min-height:16px}.buff-badge{display:flex;align-items:center;gap:2px;font-size:.6rem;padding:1px 4px;border-radius:3px;font-weight:700}.shield-badge{background:#3b82f633;color:#60a5fa;border:1px solid #3b82f6}.speed-badge{background:#fbbf2433;color:#fbbf24;border:1px solid #fbbf24}.boss-hud-bar{width:800px;background:#0f172acc;border:1px solid #1e293b;border-radius:12px;padding:8px 16px;box-sizing:border-box}.boss-header{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:.85rem;margin-bottom:4px}.boss-state-badge{font-size:.75rem;background:#ef4444;color:#fff;padding:1px 8px;border-radius:10px}.boss-hp-container{height:12px}.boss-hp-text{text-align:right;font-size:.75rem;color:#94a3b8;margin-top:2px}.canvas-wrapper{border:4px solid #1e293b;border-radius:20px;overflow:hidden;box-shadow:0 0 30px #00000080;background:radial-gradient(circle at center,#0a1024,#03050f)}.game-canvas{display:block}.controls-footer{display:flex;justify-content:space-between;align-items:center;width:800px;padding:0 10px}.control-guide{font-size:.8rem;color:#94a3b8;display:flex;align-items:center;gap:6px}.p1-tag{color:#f97316;font-weight:700}.p2-tag{color:#a855f7;font-weight:700}.key-tag{background:#1e293b;border:1px solid #334155;padding:1px 5px;border-radius:4px;color:#f1f5f9;font-weight:700;font-size:.75rem}.sound-toggle-btn{background:#1e293b;border:1px solid #334155;color:#94a3b8;padding:6px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.sound-toggle-btn:hover{background:#334155;color:#f1f5f9}.result-screen{animation:fadeIn .5s ease}.result-card{margin-bottom:15px}.victory .trophy-icon{color:#fbbf24;filter:drop-shadow(0 0 20px rgba(251,191,36,.6));animation:bounce 1s infinite alternate}.defeat .skull-icon{color:#f43f5e;filter:drop-shadow(0 0 20px rgba(244,63,94,.6))}.result-title{font-size:2.2rem;margin:12px 0 8px}.victory .result-title{color:#10b981}.defeat .result-title{color:#f43f5e}.result-desc{color:#94a3b8;font-size:1rem;max-width:500px;line-height:1.5}.score-board{background:#0f172a99;border:1px solid #334155;border-radius:16px;padding:15px 20px;width:100%;max-width:380px;margin-bottom:25px}.score-board h3{margin-top:0;color:#94a3b8;font-size:1rem;border-bottom:1px solid #334155;padding-bottom:6px}.scores{display:flex;flex-direction:column;gap:10px}.score-item{display:flex;justify-content:space-between;font-size:1rem;font-weight:700}.total-score{border-top:1px dashed #475569;padding-top:8px;font-size:1.15rem}@keyframes rainbowGlow{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes pulse{0%{transform:scale(1);filter:brightness(1)}to{transform:scale(1.05);filter:brightness(1.2)}}.pulse-icon{animation:pulse .6s infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-10px)}}@keyframes fadeIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}