:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden;background:#0a0a0a;color:#fafafa}.app{height:100vh;width:100vw;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(180deg,#0a0a0a,#1a1a2e)}.menu{display:flex;align-items:center;justify-content:center;height:100%;width:100%}.menu-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem}.title{font-size:3rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#fff,#aaa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.mb-title{background:linear-gradient(135deg,gold,#ff6b81,#a55eea);-webkit-background-clip:text;background-clip:text}.subtitle{color:#ffffff80;font-size:1.1rem}.btn{padding:.85rem 3rem;font-size:1.15rem;font-weight:700;border:none;border-radius:999px;cursor:pointer;background:#fff;color:#0a0a0a;transition:transform .15s,box-shadow .15s;letter-spacing:.02em}.btn:hover{transform:scale(1.05);box-shadow:0 0 30px #ffffff26}.btn:active{transform:scale(.97)}.highscore{color:#fff6;font-size:.95rem;margin-top:.5rem}.score-display{font-size:2rem;font-weight:700;color:#fff}.new-record{font-size:1.1rem;font-weight:700;color:gold;text-shadow:0 0 12px rgba(255,215,0,.4);animation:pulse .6s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.7;transform:scale(1)}to{opacity:1;transform:scale(1.08)}}.mb-menu-boxes{display:flex;gap:1rem;justify-content:center;margin:.5rem 0}.mb-menu-box{width:60px;height:60px;background:linear-gradient(135deg,#2a2a3e,#1a1a2e);border:2px solid rgba(255,215,0,.3);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#ffffff4d;box-shadow:0 4px 12px #0000004d}.mb-menu-item{border-color:#ffd700b3;box-shadow:0 0 20px #ffd70026,0 4px 12px #0000004d}.mb-game{max-width:480px;width:100%;padding:0 1rem}.mb-hud{display:flex;align-items:center;justify-content:space-around;padding:1.25rem .5rem}.mb-hud-item{display:flex;flex-direction:column;align-items:center}.mb-hud-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:#fff6}.mb-hud-value{font-size:1.8rem;font-weight:800;font-variant-numeric:tabular-nums}.mb-peek-banner{text-align:center;padding:.6rem;margin:.5rem 0 1rem;border-radius:8px;background:#ffd70026;border:1px solid rgba(255,215,0,.3);color:gold;font-weight:700;font-size:1rem;letter-spacing:.05em;animation:bannerPulse 1s ease-in-out infinite alternate}.mb-pick-banner{background:#1e90ff1f;border-color:#1e90ff4d;color:#1e90ff;animation:none}@keyframes bannerPulse{0%{opacity:.7}to{opacity:1}}.mb-board{display:grid;gap:.75rem;padding:1rem;justify-items:center}.mb-box{width:80px;height:90px;background:linear-gradient(135deg,#2a2a3e,#1e1e32);border:2px solid rgba(255,255,255,.1);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;position:relative;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:0 4px 12px #0000004d}.mb-box-lid{position:absolute;top:0;left:0;right:0;height:12px;background:linear-gradient(135deg,#3a3a52,#2a2a40);border-bottom:1px solid rgba(255,255,255,.05);border-radius:10px 10px 0 0}.mb-box-content{font-size:2rem;line-height:1;margin-top:.5rem}.mb-box-clickable{cursor:pointer}.mb-box-clickable:hover{transform:scale(1.08);border-color:#ffd70080;box-shadow:0 0 20px #ffd7001a,0 4px 12px #0000004d}.mb-box-clickable:active{transform:scale(.95)}.mb-box-item{border-color:#ffd70099;box-shadow:0 0 25px #ffd70033,0 4px 12px #0000004d;background:linear-gradient(135deg,#2e2a1e,#1e1e32);animation:itemReveal .4s ease-out}@keyframes itemReveal{0%{transform:scale(.5) rotateY(90deg);opacity:0}60%{transform:scale(1.1) rotateY(0);opacity:1}to{transform:scale(1) rotateY(0);opacity:1}}.mb-box-empty{border-color:#ff505080;box-shadow:0 0 15px #ff505026,0 4px 12px #0000004d;background:linear-gradient(135deg,#2e1e1e,#1e1e32);animation:emptyReveal .4s ease-out}@keyframes emptyReveal{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.mb-gameover-msg{color:#ff4757;font-size:1.1rem;font-weight:600}