:root{--accent:#5b21b6;--accent-dark:#4c1d95;--accent-soft:#ede9fe;--bg:#f7f6fb;--surface:#fff;--text:#1f1b2d;--muted:#625c74;--border:#e4e0ef;--radius:14px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}body{min-height:100dvh;margin:0}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.app{max-width:552px;padding:max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));flex-direction:column;min-height:100dvh;margin:0 auto;display:flex}.header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.logo{border-radius:10px;flex:none}.header h1{letter-spacing:-.01em;margin:0;font-size:1.35rem}.tagline{color:var(--muted);margin:2px 0 0;font-size:.92rem}.main{flex:1}.modes{background:var(--accent-soft);border-radius:999px;gap:4px;padding:4px;display:inline-flex}.mode{color:var(--accent-dark);background:0 0;border:0;border-radius:999px;padding:8px 18px;font-weight:600}.mode.active{background:var(--accent);color:#fff}.mode-note{color:var(--muted);margin:10px 0 14px;font-size:.9rem}.stats{align-items:center;gap:10px;margin-bottom:14px;display:flex}.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;min-width:68px;padding:6px 12px;display:flex}.stat-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:.72rem}.stat-value{font-variant-numeric:tabular-nums;font-size:1.15rem;font-weight:700}.primary,.secondary{border:1px solid var(--accent);border-radius:12px;padding:10px 16px;font-weight:600}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent-dark)}.secondary{background:var(--surface);color:var(--accent)}.stats .primary{margin-left:auto}.grid{grid-template-columns:repeat(4,1fr);gap:clamp(6px,2vw,12px);display:grid}.card{aspect-ratio:4/5;perspective:800px;border-radius:var(--radius);-webkit-tap-highlight-color:transparent;background:0 0;border:0;padding:0}.card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .35s;display:block;position:relative}.card.up .card-inner{transform:rotateY(180deg)}.card-face{border-radius:var(--radius);backface-visibility:hidden;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.card-back{background:var(--accent);box-shadow:0 2px 6px #3b07642e}.card-back:after{content:"";aspect-ratio:1;border:clamp(4px,1.6vw,8px) solid #ffffffe6;border-radius:50%;width:42%}.card:hover:not(.up) .card-back{background-color:var(--accent-dark)}.card-front{background:var(--surface);border:2px solid var(--border);color:var(--text);text-align:center;overflow-wrap:anywhere;padding:4px;font-size:clamp(.78rem,3.6vw,1.1rem);font-weight:700;transform:rotateY(180deg)}.card.matched .card-front{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-dark)}.card.mismatch .card-front{border-color:#c2410c}.card.matched{cursor:default}.bests{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:20px;padding:12px 16px}.bests h2{margin:0 0 4px;font-size:.95rem}.bests p{color:var(--muted);margin:0;font-size:.92rem}.bests strong{color:var(--text)}.sep{margin:0 8px}.small-actions{gap:16px;margin-top:8px;display:flex}.link{color:var(--accent);text-underline-offset:2px;background:0 0;border:0;padding:0;font-size:.85rem;text-decoration:underline}.privacy{color:var(--muted);margin:16px 0 0;font-size:.85rem;line-height:1.5}.build-house-daily-ad{width:100%;max-width:min(960px,100%);margin:24px auto 0}.build-house-daily-ad a{border-radius:var(--radius);line-height:0;display:block;overflow:hidden}.build-house-daily-ad img{width:100%;height:auto;display:block}.footer{color:var(--muted);text-align:center;margin-top:16px;font-size:.8rem}.footer a{color:var(--accent)}.overlay{background:#1f1b2d73;justify-content:center;align-items:center;padding:16px;animation:.2s fade;display:flex;position:fixed;inset:0}.dialog{background:var(--surface);text-align:center;border-radius:20px;width:100%;max-width:380px;padding:24px;box-shadow:0 20px 50px #1f1b2d40}.dialog h2{color:var(--accent);margin:0 0 6px}.dialog p{color:var(--muted);margin:0 0 16px}.result-stats{justify-content:center;gap:28px;margin-bottom:20px;display:flex}.result-stats>div{flex-direction:column;align-items:center;gap:2px;display:flex}.result-stats .stat-value{font-size:1.6rem}.badge{color:var(--accent-dark);background:var(--accent-soft);border-radius:999px;padding:2px 8px;font-size:.7rem;font-weight:700}.dialog-actions{flex-direction:column;gap:8px;display:flex}@keyframes fade{0%{opacity:0}}@media (width<=400px){.stat{min-width:0;padding:6px 8px}.stats .primary{padding:10px 12px}}@media (prefers-reduced-motion:reduce){.card-inner,.overlay{transition:none;animation:none}}