:root{--bg:#0b0b0b;--primary:#c0392b;--accent:#f1c40f;--text:#ecf0f1;--hud-bg:#141414cc}body{background-color:var(--bg);color:var(--text);justify-content:center;align-items:center;height:100vh;margin:0;padding:0;font-family:Yuji Syuku,serif;display:flex;overflow:hidden}#back-link{background:var(--hud-bg);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);color:var(--accent);z-index:100;border:1px solid var(--primary);border-radius:5px;padding:10px 15px;font-weight:700;text-decoration:none;transition:all .3s;position:fixed;top:20px;left:20px}#back-link:hover{background:var(--primary);color:#fff}#game-container{width:100%;max-width:600px;height:100vh;margin:0 auto;position:relative;overflow:hidden;box-shadow:0 0 50px #c0392b33}#hud{box-sizing:border-box;z-index:10;justify-content:space-between;align-items:flex-start;width:100%;padding:20px;display:flex;position:absolute;top:0}.score-box{background:var(--hud-bg);border-left:4px solid var(--primary);flex-direction:column;padding:10px 20px;display:flex}.score-box .label{color:#888;font-size:.8rem}#score{color:var(--accent);font-size:2rem;font-weight:700}.lives-box{filter:drop-shadow(0 0 5px var(--primary));font-size:1.5rem}#gameCanvas{cursor:crosshair;background:radial-gradient(circle,#1a1a1a 0%,#000 100%);width:100%;height:100%;display:block}.overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:20;text-align:center;background:#000000e6;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.overlay.hidden{display:none}.overlay h1{color:var(--primary);text-shadow:0 0 20px #c0392b80;margin-bottom:20px;font-size:3rem}.main-btn{background:var(--primary);color:#fff;border:1px solid var(--accent);cursor:pointer;padding:15px 40px;font-family:Yuji Syuku,serif;font-size:1.5rem;transition:all .3s;box-shadow:0 5px 15px #00000080}.main-btn:hover{background:var(--accent);color:#000;transform:translateY(-2px)}.combo-text{color:var(--accent);pointer-events:none;opacity:0;z-index:15;text-shadow:0 0 20px var(--primary);font-family:Nunito,sans-serif;font-size:3rem;font-weight:900;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:absolute;transform:scale(.5)}.combo-text.show{opacity:1;transform:scale(1.2)rotate(-5deg)}