:root{color-scheme:dark;--accent: #ff78c7;--accent-secondary: #78b8ff;--glow: rgba(255, 255, 255, .08)}*{box-sizing:border-box}body{margin:0;overflow:hidden;font-family:Inter,system-ui,-apple-system,sans-serif;color:#f7f7f7;background:radial-gradient(circle at 30% 20%,rgba(255,120,199,.15),transparent 30%),radial-gradient(circle at 70% 60%,rgba(120,184,255,.12),transparent 35%),#0e0618}#three-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0}.start-menu{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0e0618d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);opacity:1;transition:opacity .5s ease,visibility .5s ease}.start-menu.hidden{opacity:0;visibility:hidden;pointer-events:none}.menu-title{text-align:center;line-height:100px;font-size:clamp(3rem,10vw,6rem);font-weight:900;letter-spacing:.05em;text-transform:uppercase;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;text-shadow:0 0 40px rgba(255,120,199,.5);animation:glow-pulse 3s ease-in-out infinite}.menu-subtitle{font-size:clamp(1rem,3vw,1.5rem);color:#f7f7f7b3;margin-bottom:4rem;letter-spacing:.2em;text-transform:uppercase}.menu-buttons{display:flex;flex-direction:column;gap:1.5rem;align-items:center}.menu-btn{position:relative;padding:1.2rem 3rem;font-size:1.2rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#f7f7f7;background:#ffffff0d;border:2px solid var(--glow);border-radius:12px;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-width:250px;text-align:center;overflow:hidden}.menu-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--accent),var(--accent-secondary));opacity:0;transition:opacity .3s ease;z-index:-1}.menu-btn:hover{border-color:var(--accent);box-shadow:0 0 30px #ff78c766;transform:translateY(-2px)}.menu-btn:hover:before{opacity:.2}.menu-btn:active{transform:translateY(0)}.menu-btn--primary{border-color:var(--accent);box-shadow:0 0 20px #ff78c74d}.menu-btn--primary:before{opacity:.15}.menu-btn--secondary{opacity:.8}@keyframes glow-pulse{0%,to{filter:drop-shadow(0 0 20px rgba(255,120,199,.6))}50%{filter:drop-shadow(0 0 40px rgba(255,120,199,.9))}}.hud{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none;padding:20px;opacity:0;transition:opacity .5s ease;z-index:10}.hud.visible{opacity:1}.hud__top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.hud__right{display:flex;flex-direction:column;gap:12px;align-items:flex-end}.color-scores{display:flex;flex-direction:column;gap:8px;padding:8px;font-size:18px;min-width:80px}.color-score-item{display:flex;align-items:center;transition:transform .2s ease-out}.color-score-item.flash{transform:scale(1.1)}.color-indicator{width:18px;height:18px;border-radius:3px;border:1px solid rgba(255,255,255,.3);box-shadow:0 0 10px currentColor;flex-shrink:0}.color-indicator-3d{width:40px;height:40px;border-radius:4px;border:1px solid rgba(255,255,255,.2);flex-shrink:0;background:#0003;display:block}.color-score-value{font-weight:700;color:#f7f7f7d9;text-shadow:0 0 20px rgba(255,120,199,.6);min-width:30px;text-align:right}.badge{background:#ffffff0a;border:1px solid var(--glow);padding:10px 14px;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 30px #00000059}.score{font-size:16px;letter-spacing:.04em}.score__value{font-size:34px;font-weight:700;color:var(--accent);margin:6px;text-shadow:0 0 20px rgba(255,120,199,.6)}.title{font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.7;font-size:10px}.instructions{max-width:465px;font-size:13px;line-height:1.5;color:#f7f7f7d9;border:1px solid var(--glow);padding:12px 14px;border-radius:12px;background:#00000059;box-shadow:0 20px 40px #00000059;transition:transform .12s ease,box-shadow .12s ease}@media (max-width: 680px){.hud{padding:12px}.hud__top{flex-direction:column;align-items:flex-start}.hud__right{width:100%;align-items:flex-start}.color-scores{width:100%}.menu-title{font-size:3rem}.menu-subtitle{font-size:1rem}.menu-btn{min-width:200px;font-size:1rem;padding:1rem 2rem}}