:root{--brand: #8750f7;--brand-2: #6d4bf0;--blue: #3b82f6;--blue-soft: #6ba5ff;--pink: #f472b6;--grad: linear-gradient(120deg, #9061ff 0%, #6d5efc 45%, #3b82f6 100%);--grad-soft: linear-gradient(120deg, rgba(144, 97, 255, .16), rgba(59, 130, 246, .16));--bg: #0a0a12;--bg-grad-1: rgba(135, 80, 247, .16);--bg-grad-2: rgba(59, 130, 246, .12);--surface: rgba(21, 21, 32, .72);--surface-solid: #14141f;--surface-2: rgba(255, 255, 255, .04);--surface-hover: rgba(30, 30, 46, .85);--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .14);--text: #f3f4f9;--text-dim: #b0b2c6;--text-faint: #7a7c92;--good: #34c77b;--good-soft: #6be3a3;--bad: #f0596a;--warn: #e6b93a;--amber: #f5a623;--radius: 18px;--radius-sm: 12px;--radius-lg: 24px;--shadow-sm: 0 4px 16px rgba(0, 0, 0, .3);--shadow: 0 18px 44px rgba(0, 0, 0, .5);--brand-glow: rgba(109, 94, 252, .45);--maxw: 1160px;--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;--font-hand: "Caveat", "Segoe Script", cursive;color-scheme:dark}:root[data-theme=light]{--bg: #f4f5fb;--bg-grad-1: rgba(135, 80, 247, .14);--bg-grad-2: rgba(59, 130, 246, .1);--surface: rgba(255, 255, 255, .85);--surface-solid: #ffffff;--surface-2: rgba(20, 20, 45, .03);--surface-hover: #ffffff;--border: rgba(20, 20, 60, .09);--border-strong: rgba(20, 20, 60, .16);--text: #16162a;--text-dim: #4c4d67;--text-faint: #82849c;--shadow-sm: 0 4px 16px rgba(30, 30, 80, .08);--shadow: 0 18px 44px rgba(40, 40, 90, .14);--brand-glow: rgba(109, 94, 252, .3);color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;transition:background .4s ease,color .3s ease}body:before{content:"";position:fixed;top:-20vmax;right:-20vmax;bottom:-20vmax;left:-20vmax;z-index:-1;background:radial-gradient(40vmax 40vmax at 78% -6%,var(--bg-grad-1),transparent 60%),radial-gradient(36vmax 36vmax at 6% 4%,var(--bg-grad-2),transparent 60%);pointer-events:none}a{color:var(--blue-soft);text-decoration:none}.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.nowrap{white-space:nowrap}.app{display:flex;flex-direction:column;min-height:100vh}.main{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:8px 22px 40px}.header{position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--border);transition:transform .35s cubic-bezier(.4,0,.2,1);will-change:transform}.header-hidden{transform:translateY(-100%)}.header-inner{max-width:var(--maxw);margin:0 auto;padding:13px 22px;display:flex;align-items:center;gap:14px}.wordmark{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.24rem;letter-spacing:-.02em;color:var(--text)}.wordmark-badge{width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;background:var(--grad);color:#fff;box-shadow:0 6px 16px var(--brand-glow)}.wordmark-text{display:inline;white-space:nowrap}.wordmark .dot{color:var(--brand)}.header-nav{display:flex;align-items:center;gap:4px;margin-left:10px}.nav-link{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;font:inherit;cursor:pointer;padding:8px 14px;border-radius:10px;color:var(--text-dim);font-weight:600;font-size:.92rem;transition:color .16s ease,background .16s 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var(--brand-glow)}.gcard-thumb{position:relative;height:168px;overflow:hidden;display:grid;place-items:center}.gcard-best{position:absolute;top:12px;right:12px;z-index:2;font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:999px;background:#00000080;color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14)}.gcard-best.new{background:var(--grad);border-color:transparent}.gcard-body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}.gcard-body h3{font-family:var(--font-display);font-size:1.18rem;margin:0 0 6px}.gcard-body p{margin:0 0 16px;color:var(--text-dim);font-size:.9rem;line-height:1.45;flex:1}.gcard-foot{display:flex;align-items:center;justify-content:space-between}.gcard-tag{font-size:.76rem;font-weight:600;color:var(--text-dim);padding:5px 12px;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface-2)}.gcard-play{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:.9rem;color:#fff;background:var(--grad);padding:9px 18px;border-radius:999px;box-shadow:0 6px 14px var(--brand-glow);transition:transform .16s ease}.gcard:hover .gcard-play{transform:scale(1.05)}.thumb{position:relative;width:100%;height:100%;display:grid;place-items:center;overflow:hidden}.thumb-sheen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;pointer-events:none;background:linear-gradient(160deg,rgba(255,255,255,.14),transparent 42%)}.thumb:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;pointer-events:none;box-shadow:inset 0 -40px 50px -30px #0009}.gcard:hover .thumb>*:not(.thumb-sheen){transform:scale(1.04)}.thumb>*{transition:transform .35s cubic-bezier(.2,.7,.2,1)}.thumb-typing{background:radial-gradient(120% 120% at 20% 0%,#24224e,#0d0c1e 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rgba(255,255,255,.35);flex:none}.qz-opt.good{background:#34c77b38;border-color:var(--good);color:#b6f2d2}.qz-opt.good i{background:var(--good);border-color:var(--good)}.thumb-wordle{background:radial-gradient(120% 120% at 50% 0%,#17162e,#0a0a16 65%)}.wd{display:flex;flex-direction:column;gap:7px}.wd-row{display:flex;gap:7px}.wd-cell{width:30px;height:30px;border-radius:6px;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:.85rem;color:#fff;text-transform:uppercase}.wd-cell.g{background:var(--good)}.wd-cell.a,.wd-cell.y{background:var(--warn);color:#1a1a1a}.wd-cell.x{background:#26263e;color:#8b8ba8}.thumb-memory{background:radial-gradient(120% 120% at 30% 0%,#2c1c5e,#120c2c 65%)}.mm{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.mm-c{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:1rem;transition:transform .3s ease}.mm-c.down{background:linear-gradient(160deg,#8750f747,#ffffff0a);border:1px solid rgba(255,255,255,.1)}.mm-c.up{background:#ffffff0f;border:1px solid rgba(255,255,255,.1)}.mm-c.match{background:#34c77b2e;border:1px solid var(--good);box-shadow:0 0 12px #34c77b59}.thumb-reaction{background:radial-gradient(circle at 50% 42%,#37c06e,#148046 60%,#0c5a30);position:relative}.rx{position:relative;display:grid;place-items:center}.rx-core{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:#ffffff24;border:1px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);box-shadow:0 10px 24px #00000040}.rx-ms{text-align:center;color:#fff;line-height:1}.rx-ms b{font-family:var(--font-display);font-size:1.6rem;font-weight:700;display:block}.rx-ms span{font-size:.66rem;opacity:.85;letter-spacing:.08em}.rx-ring{position:absolute;border-radius:50%;border:2px solid rgba(255,255,255,.6)}.rx-ring.r1{width:96px;height:96px;animation:ping 2s ease-out infinite}.rx-ring.r2{width:96px;height:96px;animation:ping 2s ease-out 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var(--border)}.stat-ic{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;color:var(--brand);background:var(--grad-soft)}.stat-n{font-family:var(--font-display);font-size:1.7rem;font-weight:700;line-height:1}.stat-l{font-size:.76rem;color:var(--text-faint);margin-top:3px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}.step{position:relative;background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.step:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow),0 0 30px -16px var(--brand-glow)}.step-n{position:absolute;top:18px;right:20px;font-family:var(--font-display);font-size:2.2rem;font-weight:700;color:transparent;-webkit-text-stroke:1.4px var(--border-strong);opacity:.9}.step-ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--grad);color:#fff;margin-bottom:16px;box-shadow:0 8px 18px var(--brand-glow)}.step h3{font-family:var(--font-display);font-size:1.15rem;margin:0 0 7px}.step p{margin:0;color:var(--text-dim);font-size:.9rem;line-height:1.55}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.feature{position:relative;background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.feature:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(300px 140px at 50% -10%,var(--grad-soft),transparent 70%);opacity:0;transition:opacity .25s 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rgba(255,255,255,.92);background:radial-gradient(circle,#3fdb868c,#1f9d55e6 70%);box-shadow:0 0 24px #3fdb86d9,inset 0 0 14px #ffffff80;animation:chasePulse .55s ease-in-out infinite alternate}.chase-dot{position:absolute;left:50%;top:50%;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;background:#fff}@keyframes chasePulse{0%{transform:scale(.92)}to{transform:scale(1.06)}}.reaction-stage.miss-glow{box-shadow:inset 0 0 0 3px #f45c6a99}.chase-miss{position:absolute;top:16px;left:50%;transform:translate(-50%);padding:7px 16px;border-radius:999px;background:#14141fd9;border:1px solid rgba(244,92,106,.5);color:#ff8f9c;font-weight:700;font-size:.9rem;z-index:2}.reac-faults{margin-top:12px;text-align:center;font-size:.85rem;font-weight:600;color:var(--text-dim);padding:7px 14px;border-radius:999px;background:color-mix(in srgb,#f59e0b 12%,transparent);border:1px solid color-mix(in srgb,#f59e0b 35%,transparent)}.reac-trend{margin-top:14px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2)}.reac-trend-label{display:block;text-align:center;font-size:.78rem;font-weight:700;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.reac-spark{display:block;width:100%;height:34px}.reac-title{margin-top:10px;text-align:center;font-weight:800;color:var(--text);font-family:var(--font-display)}.reac-kbd-hint{text-align:center;margin-top:10px;font-size:.8rem;color:var(--text-faint)}@media (prefers-reduced-motion: reduce){.chase-ring{animation:none}}@media (max-width: 620px){.g2048-top{flex-wrap:wrap;gap:8px 10px;padding:10px 12px}.g2048-scores{flex:1 1 auto;gap:6px}.g2048-score{flex:1;min-width:0;padding:6px 10px}.g2048-score b{font-size:1.05rem}.g2048-top .btn-row{gap:6px}.g2048-top .btn-row .btn{padding:8px 10px;font-size:.8rem;white-space:nowrap}.reac-settings .reac-modes{grid-template-columns:repeat(2,1fr);border-radius:16px}.reac-settings .ttt-opts .segmented button{padding:8px 6px;font-size:.85rem}.ttt-opts .segmented button{padding:7px 8px}}