*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body.game-body--stack{--violet: #7C5CFC;--teal: #2DD4BF;--bg: #05060E;--surface: #0D0F1A;--text: #F0F0F5;--dim: #7B7B99;--border: rgba(255,255,255,.08)}html,body{min-height:100%;overflow:hidden}body{background:radial-gradient(circle at 20% 15%,rgba(124,92,252,.12),transparent 30%),radial-gradient(circle at 80% 18%,rgba(45,212,191,.09),transparent 32%),var(--bg);color:var(--text);font-family:Space Grotesk,sans-serif;display:flex;flex-direction:column;user-select:none;-webkit-user-select:none}nav{position:relative;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 28px;border-bottom:1px solid var(--border);background:#05060ee6;backdrop-filter:blur(12px);flex-shrink:0}.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.compass-icon{width:24px;height:24px}.nav-wordmark{font-family:Space Grotesk,sans-serif;font-weight:700;font-size:14px;letter-spacing:.08em}.nav-wordmark .beav{color:var(--text)}.nav-wordmark .kat{background:linear-gradient(135deg,var(--violet),var(--teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-back{color:var(--dim);font-size:12px;font-weight:700;letter-spacing:.08em;text-decoration:none;text-transform:uppercase}.nav-back:hover{color:var(--text)}#main-content{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center}.game-wrap{position:relative;flex:1;min-height:0;width:100%;max-width:930px;display:flex;align-items:stretch;justify-content:center;gap:32px;padding:16px 24px}#stackCanvas{display:block;flex:1 1 auto;min-width:0;height:100%;align-self:stretch;border-radius:20px;cursor:pointer;touch-action:none;box-shadow:0 0 60px #50b45017,0 0 0 1px #ffffff0f}.sidebar{display:flex;flex-direction:column;gap:16px;min-width:164px;flex-shrink:0}.score-box,.combo-box,.speed-box,.gus-box{border:1px solid var(--border);border-radius:16px;background:#0d0f1ae6;text-align:center}.score-box{padding:20px 20px 18px}.combo-box{padding:12px 20px;transition:border-color .3s,box-shadow .3s}.combo-box.active{border-color:#ffc83c6b;box-shadow:0 0 24px #ffc83c1f}.speed-box{padding:12px 16px}.gus-box{overflow:hidden;padding:12px 16px 10px}.score-label,.combo-label,.speed-label,.gus-name{color:var(--dim);font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.score-label,.combo-label,.speed-label{margin-bottom:6px}.score-val{font-family:Fraunces,serif;font-size:48px;font-weight:900;line-height:1;background:linear-gradient(120deg,var(--violet),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}.score-best{color:var(--dim);font-size:10px;letter-spacing:.04em;margin-top:4px}.combo-val{color:#ffc83c;font-family:Fraunces,serif;font-size:28px;font-weight:900;line-height:1}.speed-bar-wrap{height:6px;overflow:hidden;border-radius:999px;background:#ffffff12}.speed-bar-fill{width:10%;height:100%;border-radius:999px;background:linear-gradient(90deg,#4fd1c5,#ff6060);transition:width .4s ease}#gus-canvas{display:block;margin:0 auto}.gus-name{margin-top:6px}.hint-text{color:var(--dim);font-size:11px;line-height:1.5;text-align:center}kbd{border:1px solid rgba(255,255,255,.12);border-radius:4px;background:#ffffff12;font-family:Space Grotesk,sans-serif;font-size:10px;padding:2px 6px}.mobile-stats{display:none;width:100%;justify-content:space-between;gap:12px;padding:10px 16px 14px;border-top:1px solid var(--border);background:#05060ee0;color:var(--dim);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.mobile-stats strong{color:var(--text);font-size:14px}@media(max-width:700px){nav{padding:12px 18px}.game-wrap{padding:8px 12px 10px}.sidebar{display:none}.mobile-stats{display:flex}}@media(pointer:coarse){#main-content{position:relative}.game-wrap{max-width:none;padding:0;gap:0}.sidebar{display:none}#stackCanvas{width:100%;height:100%;border-radius:0;box-shadow:none;touch-action:none}.mobile-stats{display:flex;position:absolute;top:0;left:0;right:0;z-index:10;width:auto;padding:8px 16px;padding-top:calc(8px + env(safe-area-inset-top));border-top:0;background:#05060e8c;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);pointer-events:none}}