.join-session-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem}.join-session-card{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 10px 40px #0003;max-width:500px;width:100%}.join-session-card h2{margin-bottom:2rem;color:#333;text-align:center;font-size:1.8rem}.join-form{margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#333}.form-group input{width:100%;padding:.75rem;border:2px solid #e0e0e0;border-radius:6px;font-size:1rem;transition:all .3s ease}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background:#f5f5f5;color:#999}.session-input-group{display:grid;grid-template-columns:1fr auto;gap:.5rem}.session-info{background:#f0f7ff;border-left:4px solid #667eea;padding:1rem;margin-bottom:1rem;border-radius:4px}.session-info p{margin:.25rem 0;font-size:.9rem;color:#333}.session-info code{background:#e0e7ff;padding:.25rem .5rem;border-radius:3px;font-family:monospace;color:#667eea;word-break:break-all}.hint{color:#666;font-size:.85rem!important}.error-message{background:#fee;border-left:4px solid #f44;color:#c33;padding:1rem;margin-bottom:1rem;border-radius:4px}.btn-primary,.btn-secondary{padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;width:100%;margin-top:1rem}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#f0f0f0;color:#333}.btn-secondary:hover:not(:disabled){background:#e0e0e0}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.instructions{background:#f9f9f9;border:1px solid #e0e0e0;padding:1.5rem;border-radius:8px;margin-top:2rem}.instructions h3{margin-bottom:1rem;color:#333;font-size:1.1rem}.instructions ul{list-style:none;padding:0}.instructions li{padding:.5rem 0;color:#666;font-size:.95rem}.instructions li:before{content:"• ";color:#667eea;font-weight:700;margin-right:.5rem}@media (max-width: 600px){.join-session-card{padding:1.5rem}.join-session-card h2{font-size:1.4rem}}.game-arena-container{display:flex;flex-direction:column;gap:1rem}.game-canvas{background:#fff;border:3px solid #333;border-radius:8px;display:block;max-width:100%;height:auto;box-shadow:0 8px 24px #0003;cursor:crosshair}.controls-hint{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;padding:1rem;background:#ffffff1a;border-radius:8px;color:#fff;font-weight:600;font-size:.9rem}.controls-hint span{display:flex;align-items:center;gap:.5rem}.player-info{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 12px #0000001a;height:fit-content}.player-info h3{font-size:1.3rem;margin-bottom:1rem;color:#333;border-bottom:2px solid #667eea;padding-bottom:.5rem}.info-row{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid #f0f0f0}.info-row:last-of-type{border-bottom:none}.label{font-weight:600;color:#666;font-size:.9rem}.value{color:#333;font-weight:500;font-family:monospace;font-size:.95rem}.value.destructions-count{background:#ffe4e1;color:#c41e3a;padding:.25rem .75rem;border-radius:6px;font-weight:600;font-size:1rem}.speed-bar{width:100%;height:24px;background:#e0e0e0;border-radius:12px;overflow:hidden;margin:1rem 0;border:2px solid #ddd}.speed-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .1s ease;display:flex;align-items:center;justify-content:flex-end;padding-right:.5rem;color:#fff;font-size:.75rem;font-weight:700}.player-list{margin-top:1.5rem;padding-top:1rem;border-top:2px solid #f0f0f0}.player-list h4{font-size:1rem;color:#333;margin-bottom:.75rem}.player-list ul{list-style:none;padding:0}.player-list li{padding:.5rem .75rem;margin-bottom:.5rem;background:#f9f9f9;border-radius:6px;font-size:.9rem;color:#666;transition:all .2s ease;display:flex;justify-content:space-between;align-items:center}.player-list li:hover{background:#f0f0f0;color:#333}.player-list li.current{background:#e0e7ff;color:#667eea;font-weight:600}.player-destructions{font-weight:600;color:#c41e3a;font-family:monospace}@media (max-width: 1024px){.player-info{margin-top:1rem}}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#000c;color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 6px #0000004d}.app-header h1{font-size:2rem;font-weight:700}.connection-status{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.status-dot{width:12px;height:12px;border-radius:50%;display:inline-block}.status-dot.connected{background:#4ade80;box-shadow:0 0 8px #4ade80}.status-dot.connecting{background:#facc15;animation:pulse 1.5s ease-in-out infinite}.status-dot.error,.status-dot.disconnected{background:#ef4444}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.app-main{flex:1;display:flex;justify-content:center;align-items:center;padding:2rem}.game-container{width:100%;max-width:1400px}.game-content{display:grid;grid-template-columns:1fr 300px;gap:2rem;height:100%}.info-panel{min-height:400px}.app-footer{background:#000c;color:#fff;text-align:center;padding:1.5rem;font-size:.9rem}@media (max-width: 1024px){.game-content{grid-template-columns:1fr}.app-header{flex-direction:column;gap:1rem;text-align:center}.app-header h1{font-size:1.5rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{width:100%;height:100%}