:root{--color-bg-1:#fff6e0;--color-bg-2:#b8e1ff;--color-bg-3:#ffd8eb;--color-surface:#fff;--color-text:#2d2a4a;--color-text-muted:#6b6890;--color-accent:#ff6b9d;--color-correct:#4ec76f;--color-wrong:#ff5b5b;--shadow-card:0 16px 40px #2d2a4a24, 0 3px 8px #2d2a4a0f;--shadow-balloon:0 10px 20px #2d2a4a2e;--shadow-button:0 10px 24px #ff6b9d66;--radius-card:28px;--radius-slot:18px;--duration-fast:.15s;--duration-normal:.28s;--duration-slow:.7s;--ease-out-expo:cubic-bezier(.16, 1, .3, 1);--ease-bounce:cubic-bezier(.34, 1.56, .64, 1);--font-display:ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", "Apple SD Gothic Neo", system-ui, -apple-system, sans-serif;--font-body:system-ui, -apple-system, "Segoe UI", sans-serif}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{overscroll-behavior:none;height:100%}body{font-family:var(--font-body);color:var(--color-text);background:radial-gradient(circle at 15% 0%, var(--color-bg-3) 0%, transparent 45%), radial-gradient(circle at 90% 15%, #d6f3ff 0%, transparent 40%), linear-gradient(180deg, var(--color-bg-2) 0%, var(--color-bg-1) 100%);height:100vh;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background-attachment:fixed;height:100svh;overflow:hidden}#root{flex-direction:column;height:100%;display:flex;overflow:hidden}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}.menu{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:40px 24px;display:flex}.menu__title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--color-text);margin:0;font-size:clamp(36px,9vw,56px);font-weight:800}.menu__subtitle{color:var(--color-text-muted);margin:0 0 18px;font-size:15px}.menu__list{flex-direction:column;gap:12px;width:min(320px,100%);list-style:none;display:flex}.menu__item{background:var(--color-surface);border-radius:var(--radius-card);font-family:var(--font-display);color:var(--color-text);box-shadow:var(--shadow-card);text-align:center;transition:transform var(--duration-fast) var(--ease-out-expo);padding:18px 22px;font-size:18px;font-weight:700;text-decoration:none;display:block}.menu__item:active{transform:scale(.97)}.game-fallback{flex:1}.countdown-overlay{z-index:100;pointer-events:none;justify-content:center;align-items:center;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.countdown-overlay__dim{-webkit-backdrop-filter:blur(8px);pointer-events:auto;animation:countdown-dim-in .22s var(--ease-out-expo) both;background:#1412288c;position:absolute;top:0;bottom:0;left:0;right:0}.countdown-overlay__tick{aspect-ratio:1;justify-content:center;align-items:center;width:clamp(220px,60vw,360px);display:flex;position:relative}.countdown-overlay__ring{border:4px solid var(--color-accent);animation:countdown-ring .8s var(--ease-out-expo) both;border-radius:50%;position:absolute;top:0;bottom:0;left:0;right:0;box-shadow:0 0 32px #ff6b9d73,inset 0 0 24px #ff6b9d40}.countdown-overlay__number{font-family:var(--font-display);letter-spacing:-.05em;color:#fff;text-shadow:0 12px 40px #00000073,0 0 24px #ff6b9d73;animation:countdown-tick .8s var(--ease-out-expo) both;font-size:clamp(140px,36vw,220px);font-weight:900;line-height:1;position:relative}@keyframes countdown-dim-in{0%{opacity:0}to{opacity:1}}@keyframes countdown-tick{0%{opacity:0;transform:scale(1.6)}22%{opacity:1;transform:scale(1)}72%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.55)}}@keyframes countdown-ring{0%{opacity:0;transform:scale(.55)}30%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.4)}}@media (prefers-reduced-motion:reduce){.countdown-overlay__number,.countdown-overlay__ring{animation-duration:.7s;animation-timing-function:linear}.countdown-overlay__number{animation-name:countdown-tick-reduced}.countdown-overlay__ring{animation-name:countdown-ring-reduced}@keyframes countdown-tick-reduced{0%,to{opacity:0;transform:none}20%,80%{opacity:1;transform:none}}@keyframes countdown-ring-reduced{0%,to{opacity:0;transform:none}20%,80%{opacity:.6;transform:none}}}