:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--accent:#f2b705;--accent-2:#ef6f2e;--gap:clamp(6px, 1.4vmin, 14px);--radius:14px;--bg-top:#1b2030;--bg-bottom:#0a0c11;--panel:#181b22;--text:#f5f5f5;--muted:#9aa0ad;--card-front-bg:#21262f;--card-back-bg:#000;--card-front-border:#f2b70540;--card-front-shadow:0 2px 6px #0006;--card-shadow:0 4px 14px #00000059;--board-shadow:0 20px 60px #00000073, inset 0 1px 0 #ffffff0a;--overlay-bg:#0a0c11bf;--modal-shadow:0 30px 80px #0009;--modal-border:1px solid #ffffff0f;--button-text:#111;--button-hover-shadow:0 8px 20px #f2b70540;--countdown-shadow:0 6px 40px #f2b70580}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (prefers-color-scheme:light){:root{--bg-top:#fff8ea;--bg-bottom:#f1e6d2;--panel:#fff;--text:#1a1a1a;--muted:#5f6672;--card-front-bg:#fdf7e7;--card-back-bg:#eee;--card-front-border:#d99c0a73;--card-front-shadow:0 2px 6px #4f361440;--card-shadow:0 4px 14px #4f36142e;--board-shadow:0 20px 60px #4f361426, inset 0 1px 0 #fff9;--overlay-bg:#fffaf0d1;--modal-shadow:0 30px 80px #4f361438;--modal-border:1px solid #0000000f;--button-text:#1a1a1a;--button-hover-shadow:0 8px 20px #d99c0a59;--countdown-shadow:0 6px 40px #d99c0a73}}*{box-sizing:border-box}html,body{background:radial-gradient(ellipse at top, var(--bg-top) 0%, var(--bg-bottom) 70%);min-height:100%;color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}body{flex-direction:column;justify-content:flex-start;align-items:center;gap:clamp(12px,2vmin,20px);padding:clamp(14px,3vmin,28px);display:flex}header{flex-direction:column;align-items:center;gap:4px;width:100%;max-width:640px;display:flex}h1{letter-spacing:.5px;background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(22px,4.5vmin,32px);font-weight:700}.subtitle{color:var(--muted);min-height:1.2em;font-size:clamp(12px,2vmin,14px)}.hud{font-variant-numeric:tabular-nums;color:var(--muted);gap:clamp(12px,3vmin,24px);margin-top:6px;font-size:clamp(12px,2vmin,14px);display:flex}.hud strong{color:var(--text);font-weight:600}.board{gap:var(--gap);aspect-ratio:1;width:min(92vmin,640px);padding:var(--gap);background:var(--panel);border-radius:calc(var(--radius) + 4px);box-shadow:var(--board-shadow);grid-template-columns:repeat(4,1fr);display:grid}.card{aspect-ratio:1;perspective:900px;cursor:pointer;-webkit-tap-highlight-color:transparent;position:relative}.card-inner{transform-style:preserve-3d;will-change:transform;transition:transform .55s cubic-bezier(.22,1,.36,1);position:absolute;inset:0}.card.flipped .card-inner,.card.matched .card-inner{transform:rotateY(180deg)}.card-face{border-radius:var(--radius);backface-visibility:hidden;box-shadow:var(--card-shadow);position:absolute;inset:0;overflow:hidden}.card-front{background:linear-gradient(135deg, #f2b7052e, #ef6f2e2e), var(--card-front-bg);color:var(--accent);border:1px solid var(--card-front-border);justify-content:center;align-items:center;font-size:clamp(22px,6vmin,44px);font-weight:700;display:flex}.card-front:after{content:"?";text-shadow:var(--card-front-shadow)}.card-back{background:var(--card-back-bg);transform:rotateY(180deg)}.card-back img{object-fit:cover;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:100%;height:100%;display:block}.card.matched .card-face{box-shadow:0 0 0 2px var(--accent), 0 6px 20px #f2b70559}.card.matched{animation:.6s pulse}.card.shake .card-inner{animation:.45s shake}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.04)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:rotateY(180deg)translate(0)}25%{transform:rotateY(180deg)translate(-4px)}75%{transform:rotateY(180deg)translate(4px)}}.overlay{background:var(--overlay-bg);-webkit-backdrop-filter:blur(6px);opacity:0;pointer-events:none;z-index:10;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:fixed;inset:0}.overlay.show{opacity:1;pointer-events:auto}.modal{background:var(--panel);text-align:center;max-width:360px;box-shadow:var(--modal-shadow);border:var(--modal-border);border-radius:18px;padding:clamp(24px,5vmin,40px)}.modal h2{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:28px}.modal p{color:var(--muted);margin:4px 0 20px;font-size:15px}.modal .stats{color:var(--text);font-variant-numeric:tabular-nums;margin-bottom:24px;font-size:16px}button{font:inherit;color:var(--button-text);background:linear-gradient(135deg, var(--accent), var(--accent-2));cursor:pointer;border:none;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .15s}button:hover{box-shadow:var(--button-hover-shadow);transform:translateY(-1px)}button:active{transform:translateY(0)}.countdown{color:var(--accent);text-shadow:var(--countdown-shadow);pointer-events:none;opacity:0;z-index:5;font-size:clamp(60px,14vmin,120px);font-weight:800;transition:opacity .25s;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.countdown.show{opacity:1}