*{box-sizing:border-box;margin:0;padding:0;font-family:Patrick Hand,Comic Sans MS,Chalkboard SE,sans-serif}body{background-color:#fdfdfd;background-image:linear-gradient(rgba(0,0,0,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.05) 1px,transparent 1px);background-size:20px 20px;color:#333;overflow:hidden;width:100vw;height:100vh}#ui-layer{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;justify-content:center;align-items:center;z-index:10}.screen{position:absolute;display:flex;flex-direction:column;align-items:center;gap:20px;background:#ffffffe6;padding:40px;border-radius:4px;border:2px solid #555;box-shadow:4px 4px #0000001a;opacity:0;pointer-events:none;transition:opacity .3s ease;transform:scale(.95)}.screen.active{opacity:1;pointer-events:auto;transform:scale(1)}h1{font-size:3rem;text-transform:uppercase;letter-spacing:2px;color:#4a4a4a;text-shadow:2px 2px 0px rgba(0,0,0,.1);margin-bottom:20px}p{color:#555;font-size:1.2rem}#joined-players{display:flex;gap:15px;min-height:80px}.player-bubble{padding:10px 20px;border-radius:4px;background:#eee;border:2px dashed #999;color:#666;font-weight:700}.player-bubble.joined{border:2px solid #4a4a4a;background:#fff;box-shadow:2px 2px #0000001a;color:#3b3b3b}button{padding:15px 40px;font-size:1.2rem;background:#fff;border:3px solid #4a4a4a;border-radius:4px;color:#4a4a4a;font-weight:700;cursor:pointer;transition:transform .1s,box-shadow .1s;text-transform:uppercase;box-shadow:3px 3px #0003}button:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:4px 4px #0003}button:disabled{background:#eee;border-color:#ccc;color:#999;box-shadow:none;cursor:not-allowed}#game-ui{position:fixed;top:0;left:0;width:100vw;height:100vh;margin:0;padding:0;background:none;border:none;-webkit-backdrop-filter:none;backdrop-filter:none;justify-content:flex-start;align-items:stretch;transform:none!important;pointer-events:none}#player-hud-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.player-hud{position:absolute;top:20px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center}.player-hud .score{font-size:2rem;font-weight:700;color:#4a4a4a;text-shadow:none;margin-top:10px}.powerup-notification{position:fixed;bottom:30px;left:50%;transform:translate(-50%);font-size:1.5rem;color:#f33;text-shadow:2px 2px 0px rgba(0,0,0,.1);pointer-events:none;animation:popInOut 2s forwards;font-family:Patrick Hand,Comic Sans MS,sans-serif;font-weight:700;white-space:nowrap;z-index:500}@keyframes popInOut{0%{transform:translate(-50%) scale(.5);opacity:0}20%{transform:translate(-50%) scale(1.2);opacity:1}80%{transform:translate(-50%) scale(1);opacity:1}to{transform:translate(-50%) scale(.8);opacity:0}}.cpu-controls{display:flex;gap:10px}.secondary-btn{padding:8px 15px;font-size:.9rem;border:2px solid #555;box-shadow:2px 2px #0003}.secondary-btn:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:3px 3px #0003}.player-bubble.cpu{border:2px solid #2255ff;background:#eef1ff;color:#13a}.powerup-bank{display:flex;gap:8px;justify-content:center;margin-top:5px;min-height:28px}.powerup-item{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;font-size:1.2rem;border:2px solid #555;box-shadow:2px 2px #0000004d;cursor:help;transition:transform .1s}.powerup-item.tier-3{animation:pulseAoE 1.5s infinite alternate}@keyframes pulseAoE{0%{box-shadow:0 0 5px #dc262680}to{box-shadow:0 0 15px #dc2626}}.settings-section{background:#fdfdfd;border:2px solid #ddd;padding:15px;border-radius:8px;box-shadow:2px 2px #0000000d;overflow-y:auto;max-height:400px}.settings-section h3{margin-top:0;margin-bottom:10px;font-size:1.5rem;border-bottom:2px dashed #ccc;padding-bottom:5px}.settings-toggle{display:flex;align-items:center;gap:10px;cursor:pointer;margin-bottom:8px;font-size:1.1rem}.legend-tier{margin-bottom:15px}.legend-tier h4{margin:5px 0;font-size:1.2rem}.legend-row{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:1rem;line-height:1.2}.legend-row span{font-size:1.5rem;min-width:30px;text-align:center}