*{margin:0;padding:0;box-sizing:border-box}body{font-family:monospace;background:#111;color:#eee;overflow:hidden;height:100vh;display:flex;justify-content:center;align-items:center}#game{position:relative;width:100vmin;height:100vmin;max-width:800px;max-height:800px;border:2px solid #333}#game-canvas{display:block;width:100%;height:100%}#ui{position:absolute;top:0;left:0;width:100%;pointer-events:none}#top-bar{display:flex;justify-content:space-between;padding:10px;background:#000000b3;pointer-events:auto}#scrap-counter{font-size:1.5em;font-weight:700;color:#fc0}#mute-button{background:transparent;border:1px solid #666;color:#fff;font-size:1.2em;padding:5px 10px;cursor:pointer;border-radius:5px}#upgrades{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:10px;pointer-events:auto}#upgrades button{background:#333;color:#fff;border:2px solid #666;padding:10px 15px;font-family:monospace;font-size:1em;cursor:pointer;border-radius:5px;transition:background .2s}#upgrades button:hover:not(:disabled){background:#444}#upgrades button:disabled{opacity:.5;cursor:not-allowed}#upgrades button:not(:disabled){background:#252}#upgrades button:not(:disabled):hover{background:#373}#prestige-section{position:absolute;top:60px;left:10px;background:#000000b3;padding:10px;border-radius:5px;pointer-events:auto}#prestige-info{font-size:.9em;margin-bottom:5px;color:#aaa}#prestige-reset{background:#422;color:#f66;border:2px solid #ff4444;padding:8px 15px;font-family:monospace;font-size:1em;cursor:pointer;border-radius:5px;transition:background .2s}#prestige-reset:hover:not(:disabled){background:#633}#prestige-reset:disabled{opacity:.5;cursor:not-allowed}#prestige-reset:not(:disabled){background:#622;animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #ff4444b3}70%{box-shadow:0 0 0 10px #f440}to{box-shadow:0 0 #f440}}#tech-tree{position:absolute;top:60px;right:10px;background:#000c;border:2px solid #446688;border-radius:5px;padding:10px;min-width:180px;pointer-events:auto}.tech-title{font-size:1.1em;font-weight:700;color:#8cf;margin-bottom:10px;text-align:center}.tech-upgrade{display:flex;flex-direction:column;gap:5px;padding:8px;background:#4466884d;border-radius:5px}.tech-name{color:#fc0;font-size:.9em}.tech-cost{color:#aaa;font-size:.8em}#buy-yield-upgrade{background:#336;color:#fff;border:1px solid #6666aa;padding:5px 10px;font-family:monospace;cursor:pointer;border-radius:3px;transition:background .2s}#buy-yield-upgrade:hover:not(:disabled){background:#448}#buy-yield-upgrade:disabled{opacity:.5;cursor:not-allowed}#prestige-dialog{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;pointer-events:none}.dialog-content{background:#222;border:2px solid #ff4444;border-radius:10px;padding:20px;text-align:center;max-width:400px;pointer-events:auto}.dialog-content h2{color:#f66;margin-bottom:15px}.dialog-content p{margin-bottom:10px}.dialog-warning{color:#fa0;font-size:.9em}.dialog-buttons{display:flex;gap:10px;justify-content:center;margin-top:20px}.dialog-buttons button{padding:10px 20px;font-family:monospace;font-size:1em;cursor:pointer;border-radius:5px;border:2px solid;transition:background .2s}#confirm-prestige{background:#622;color:#f66;border-color:#f44}#confirm-prestige:hover{background:#833}#cancel-prestige{background:#333;color:#aaa;border-color:#666}#cancel-prestige:hover{background:#444}.tech-error{color:#f44;font-size:.8em;margin-top:5px}#title-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);display:flex;justify-content:center;align-items:center;z-index:100}.title-content{text-align:center;animation:fadeIn 1s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.title-content h1{font-size:4em;color:#f60;text-shadow:0 0 20px rgba(255,102,0,.5);margin-bottom:10px}.title-content h2{font-size:1.5em;color:#8cf;margin-bottom:40px;font-weight:400}#start-button{background:linear-gradient(135deg,#f60,#f83);color:#fff;border:none;padding:20px 60px;font-size:1.5em;font-family:monospace;font-weight:700;cursor:pointer;border-radius:10px;box-shadow:0 5px 15px #f606;transition:all .3s;animation:pulse-glow 2s infinite}#start-button:hover{transform:scale(1.05);box-shadow:0 8px 25px #f609}@keyframes pulse-glow{0%,to{box-shadow:0 5px 15px #f606}50%{box-shadow:0 5px 30px #f60c}}.attract-hint{margin-top:30px;color:#666;font-size:.9em}#difficulty-selector{margin:20px 0 30px}.diff-label{color:#888;font-size:.9em;margin-bottom:12px}.difficulty-options{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.diff-btn{background:#1a1a1a;color:#888;border:2px solid #333;padding:10px 14px;font-family:monospace;font-size:.85em;cursor:pointer;border-radius:6px;transition:all .2s;min-width:80px}.diff-btn:hover:not(.locked){background:#2a2a2a;border-color:#555;color:#ccc}.diff-btn.selected{background:#1a3320;color:#6d6;border-color:#4a4;box-shadow:0 0 8px #44aa444d}.diff-btn.locked{opacity:.45;cursor:not-allowed}.void-locked-msg{color:#f83;font-size:.8em;margin-top:10px}#attract-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#ff6600e6;color:#fff;padding:15px 30px;border-radius:10px;font-size:1.2em;font-weight:700;pointer-events:none;animation:attract-pulse 1s infinite;z-index:50}@keyframes attract-pulse{0%,to{opacity:.8}50%{opacity:1}}