:root{--bg-primary: #0a0a0f;--bg-secondary: #14141f;--bg-tertiary: #1e1e2e;--text-primary: #ffffff;--text-secondary: #8888aa;--accent-neon: #00ff88;--accent-danger: #ff3366;--accent-gold: #ffcc00;--accent-blue: #00aaff;--accent-purple: #aa44ff;--font-display: "Orbitron", sans-serif;--font-body: "Inter", sans-serif;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body)}#game-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0}#ui-layer{position:fixed;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none}.screen{display:none;width:100%;height:100%;position:absolute;top:0;left:0}.screen.active{display:flex}.overlay{background:#0a0a0fd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}#main-menu{align-items:center;justify-content:center;pointer-events:auto;background:radial-gradient(ellipse at center,rgba(0,255,136,.04) 0%,transparent 70%),var(--bg-primary)}.menu-content{display:flex;flex-direction:column;align-items:center;gap:24px;max-width:480px;width:100%;padding:0 24px}.game-title{font-family:var(--font-display);font-size:clamp(2rem,6vw,3.5rem);font-weight:900;color:var(--accent-neon);text-shadow:0 0 30px rgba(0,255,136,.4),0 0 60px rgba(0,255,136,.15);letter-spacing:4px;text-align:center}.game-subtitle{font-family:var(--font-body);font-size:.75rem;color:var(--text-secondary);text-align:center;letter-spacing:1px;text-transform:uppercase;margin-top:-16px}.menu-form{display:flex;flex-direction:column;align-items:center;gap:16px;width:100%}.name-input{width:100%;max-width:320px;padding:12px 16px;font-family:var(--font-body);font-size:1rem;color:var(--text-primary);background:var(--bg-secondary);border:2px solid var(--bg-tertiary);border-radius:var(--radius-md);outline:none;text-align:center;transition:border-color .2s}.name-input:focus{border-color:var(--accent-neon)}.name-input::placeholder{color:var(--text-secondary)}.skin-selector{display:flex;align-items:center;gap:16px}.skin-arrow{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--bg-tertiary);border-radius:var(--radius-sm);font-family:var(--font-display);font-size:1rem;cursor:pointer;transition:border-color .2s,background .2s}.skin-arrow:hover{border-color:var(--accent-neon);background:var(--bg-tertiary)}.skin-label{font-family:var(--font-display);font-size:.9rem;color:var(--accent-neon);min-width:120px;text-align:center}.btn{font-family:var(--font-display);font-size:1rem;font-weight:700;padding:14px 48px;border:none;border-radius:var(--radius-md);cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;letter-spacing:2px}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent-neon);color:var(--bg-primary);box-shadow:0 0 20px #00ff884d}.btn-primary:hover:not(:disabled){box-shadow:0 0 40px #00ff8880}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--bg-tertiary);padding:10px 24px;font-size:.85rem}.btn-ghost:hover:not(:disabled){color:var(--text-primary);border-color:var(--text-secondary)}.menu-secondary{display:flex;gap:12px}#hud{pointer-events:none;padding:16px}#hud.active{display:block}.hud-left{position:absolute;top:16px;left:16px;display:flex;flex-direction:column;gap:4px}.hud-stat{font-family:var(--font-display);font-size:.85rem;color:var(--text-primary);text-shadow:0 1px 4px rgba(0,0,0,.8)}.hud-stat span{color:var(--accent-gold)}.hud-powerup{margin-top:8px;font-family:var(--font-display);font-size:.75rem;padding:4px 10px;background:#00ff8826;border:1px solid var(--accent-neon);border-radius:var(--radius-sm);color:var(--accent-neon)}.hidden{display:none!important}.hud-right{position:absolute;top:16px;right:16px}.live-leaderboard{font-family:var(--font-display);font-size:.7rem;background:#0a0a0f99;border-radius:var(--radius-lg);padding:12px 16px;min-width:200px}.lb-entry{display:flex;justify-content:space-between;padding:2px 0;color:var(--text-secondary)}.lb-entry.self{color:var(--accent-neon);font-weight:700}.lb-rank{margin-right:8px;color:var(--accent-gold);min-width:24px}.lb-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{margin-left:12px;text-align:right}.hud-bottom-left{position:absolute;bottom:16px;left:16px}#minimap{border-radius:var(--radius-lg);background:#0a0a0f99;border:1px solid var(--bg-tertiary)}.kill-feed{position:absolute;top:16px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;pointer-events:none}.kill-entry{font-family:var(--font-body);font-size:.75rem;color:var(--text-secondary);background:#0a0a0f99;padding:4px 12px;border-radius:var(--radius-sm);animation:fadeInOut 5s forwards}.kill-entry .killer-name{color:var(--accent-danger);font-weight:600}.kill-entry .victim-name{color:var(--accent-gold);font-weight:600}@keyframes fadeInOut{0%{opacity:0;transform:translateY(-8px)}10%{opacity:1;transform:translateY(0)}80%{opacity:1}to{opacity:0}}#death-screen{align-items:center;justify-content:center;pointer-events:auto}.death-content{display:flex;flex-direction:column;align-items:center;gap:20px}.death-title{font-family:var(--font-display);font-size:clamp(2rem,8vw,4rem);font-weight:900;color:var(--accent-danger);text-shadow:0 0 30px rgba(255,51,102,.4);letter-spacing:4px}.death-stats{display:flex;flex-direction:column;align-items:center;gap:6px}.death-stat{font-family:var(--font-body);font-size:.95rem;color:var(--text-secondary)}.death-stat span{color:var(--text-primary);font-weight:600}.death-secondary{display:flex;gap:12px}@media(max-width:640px){.hud-right{display:none}.game-title{font-size:1.8rem}.btn{padding:12px 32px;font-size:.9rem}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}