*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#0f0f23,#1a1a2e,#16213e,#0f3460,#533483);min-height:100vh;color:#e2e8f0;position:relative;overflow-x:hidden;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 30%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(168,85,247,.08) 0%,transparent 50%),radial-gradient(circle at 60% 20%,rgba(14,165,233,.06) 0%,transparent 50%);pointer-events:none;z-index:-1}.game-container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh}.game-header{display:flex;justify-content:space-between;align-items:center;background:#ffffff0d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid 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);height:4px;background:linear-gradient(90deg,#6366f1,#8b5cf6,#06b6d4);border-radius:2px;box-shadow:0 0 20px #6366f166}.placement-indicators{position:absolute;top:40px;left:40px;bottom:40px;pointer-events:none;width:calc(100% - 80px);overflow-x:auto;overflow-y:hidden}.placement-zone{position:absolute;top:0;bottom:0;width:60px;background:#6366f114;border:2px dashed rgba(99,102,241,.3);border-radius:12px;opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;pointer-events:all;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.placement-zone:hover{opacity:1;background:#6366f126;border-color:#6366f1;transform:translate(-50%) scale(1.05);box-shadow:0 8px 25px #6366f133}.placement-zone.active{opacity:1;border-color:#6366f1;background:#6366f133;transform:translate(-50%);box-shadow:0 0 30px #6366f14d}.placement-zone:before{content:"+";font-size:28px;color:#6366f1;font-weight:600;text-shadow:0 0 10px 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li{color:#cbd5e1;font-size:.8rem;line-height:1.4;margin-bottom:4px}.security-status{position:fixed;bottom:20px;right:20px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#22c55e;padding:8px 12px;border-radius:8px;font-size:.8rem;z-index:1000;transition:all .3s ease;opacity:0;transform:translateY(10px)}.security-status.show{opacity:1;transform:translateY(0)}.security-status.warning{background:#f59e0b1a;border-color:#f59e0b4d;color:#f59e0b}.security-status.error{background:#ef44441a;border-color:#ef44444d;color:#ef4444}@media (max-width: 768px){.multiplayer-section{padding:20px}.room-id-container,.join-room-container{flex-direction:column;align-items:stretch;gap:8px}.room-id-container input,.join-room-container input{min-width:auto;width:100%}.modal-content{padding:24px;margin:20px}.url-share{flex-direction:column}.player-item{padding:8px 12px}.player-avatar{width:28px;height:28px;font-size:.75rem}}#host-controls{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}#host-controls .btn{margin:0 8px}.local-instructions{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;margin-top:16px}.local-instructions p{margin:0;line-height:1.5}.local-instructions strong{color:#fff}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:10000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.loading-content{background:#1e293bf2;border-radius:12px;padding:40px;text-align:center;border:1px solid rgba(148,163,184,.2);box-shadow:0 20px 25px -5px #0006}.spinner{width:40px;height:40px;border:3px solid rgba(148,163,184,.3);border-top:3px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-content 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rgba(148,163,184,.2)}.final-score-item:first-child{background:#22c55e33;border-color:#22c55e4d}.final-score-name{font-size:18px;font-weight:600;color:#e2e8f0}.final-score-value{font-size:18px;font-weight:700;color:#22c55e}.final-score-item:first-child .final-score-name:after{content:" 🏆"}#final-scores-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.final-scores-content .btn{margin:0;flex:0 0 auto}