:root{--bg:#ffffff;--ink:#181818;--ink-soft:#8a8a85;--accent:#e66a2c;--hairline:#e7e7e5;--tile-fill:#ffffff;--maxw:760px;--radius:6px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-inter),system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{padding:28px 0}.site-header .wrap{display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}.brand:hover{text-decoration:none}.brand svg{display:block}.nav-link{font-size:15px;font-weight:500;color:var(--ink-soft)}.hero{padding:56px 0 64px;text-align:center}.tiles{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;margin-bottom:40px}.tile{width:clamp(40px,9vw,58px);height:clamp(40px,9vw,58px);display:grid;place-items:center;background:var(--tile-fill);color:var(--ink);border:1px solid var(--hairline);border-radius:var(--radius);font-weight:600;font-size:clamp(18px,4vw,24px);position:relative}.tile .tag{position:absolute;top:3px;left:5px;font-size:8px;font-weight:700;letter-spacing:.06em;color:var(--accent)}.tile.dl{border-color:var(--accent);border-width:1.5px}.tile.dw{background:var(--ink);color:var(--bg);border-color:var(--ink)}.tile.dw .tag{color:var(--accent)}h1{font-size:clamp(34px,7vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:700;margin:0 0 18px}.hero .lede{font-size:clamp(17px,2.4vw,20px);color:var(--ink-soft);max-width:30ch;margin:0 auto 32px}.cta{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:100px;background:var(--accent);color:#fff;font-weight:600;font-size:16px}.cta:hover{text-decoration:none;filter:brightness(.96)}.cta-note{margin:18px 0 0;font-size:14px;color:var(--ink-soft)}.demo{padding:8px 0 16px;text-align:center}.demo-video{display:block;max-width:320px;height:auto;border-radius:18px;box-shadow:0 18px 48px -20px rgba(24,24,24,.28)}.demo-game,.demo-video{width:100%;margin:0 auto}.demo-game{max-width:720px;display:flex;align-items:flex-start;gap:22px;-moz-user-select:none;user-select:none;-webkit-user-select:none}.demo-main{flex:1 1 auto;min-width:0;max-width:480px}.demo-side{flex:0 0 184px;width:184px;display:flex;flex-direction:column;gap:18px}.demo-side .demo-lb-board{max-width:none;width:100%;flex:none}@media (max-width:640px){.demo-game{flex-direction:column;gap:24px}.demo-main{max-width:100%}.demo-side{flex-basis:auto;width:100%;flex-direction:row;gap:16px}.demo-side .demo-lb-board{flex:1 1}}.demo-hud{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;height:44px}.demo-stat{display:flex;flex-direction:column;line-height:1.1}.demo-stat-right{align-items:flex-end}.demo-stat-center{align-items:center;text-align:center}.demo-chain-live{color:var(--accent);animation:demo-pop .3s ease-out}.demo-stat-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}.demo-stat-value{font-size:26px;font-weight:700;letter-spacing:-.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.demo-toast{position:absolute;left:0;right:0;bottom:calc(100% + 6px);display:flex;flex-direction:column;align-items:center;gap:4px;pointer-events:none;z-index:3}.demo-toast-word{background:rgba(255,255,255,.94);border:1px solid var(--hairline);border-radius:100px;padding:2px 11px;font-size:13px;font-weight:600;color:var(--ink);box-shadow:0 2px 8px -3px rgba(24,24,24,.3);animation:demo-pop .3s ease-out}.demo-toast-word b{color:var(--accent)}.demo-toast-moves{background:var(--accent);color:#fff;border-radius:100px;padding:1px 9px;font-size:11px;font-weight:700;letter-spacing:.04em}.demo-board-wrap{position:relative}.demo-board{grid-template-columns:repeat(9,1fr);grid-gap:4px;gap:4px;touch-action:none}.demo-board,.demo-tile{display:grid;aspect-ratio:1}.demo-tile{position:relative;place-items:center;padding:0;background:var(--tile-fill);color:var(--ink);border:1px solid var(--hairline);border-radius:5px;font-weight:600;font-size:clamp(13px,3.2vw,20px);font-family:inherit;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.demo-tile:disabled{cursor:default}.demo-tile-empty{background:transparent;border-color:transparent;cursor:default}.demo-tag{position:absolute;top:2px;left:3px;font-size:7px;font-weight:700;letter-spacing:.04em;color:var(--accent)}.demo-tile.dl{border-color:var(--accent);border-width:1.5px}.demo-tile.tl{border-color:var(--accent);border-width:2px}.demo-tile.dw{background:var(--ink);color:var(--bg);border-color:var(--ink)}.demo-tile.dw .demo-tag{color:var(--accent)}.demo-tile.pw{color:#fff;border:none;font-weight:700;animation:demo-pulse 1.6s ease-in-out infinite}.demo-pw-glyph{font-size:clamp(15px,3.6vw,22px);line-height:1}.demo-tile.pw-bomb{background:var(--ink)}.demo-tile.pw-line{background:var(--accent)}.demo-tile.pw-removeall{background:#1f9e6f}@keyframes demo-pulse{0%,to{box-shadow:0 0 0 0 rgba(230,106,44,0)}50%{box-shadow:0 0 0 3px rgba(230,106,44,.28)}}@media (prefers-reduced-motion:reduce){.demo-tile.pw{animation:none}}.demo-tile.is-selected{transform:scale(1.06);box-shadow:0 0 0 2px var(--accent);z-index:2}.demo-tile.is-tracing{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent);z-index:2}.demo-tile.is-tracing-valid{background:var(--accent);color:#fff;border-color:var(--accent)}.demo-tile.is-tracing-valid .demo-tag{color:#fff}.demo-trace{position:absolute;left:0;right:0;bottom:calc(100% + 6px);text-align:center;font-size:15px;font-weight:700;letter-spacing:.14em;color:var(--ink-soft);pointer-events:none;z-index:3}.demo-trace.is-valid{color:var(--accent)}.demo-tile.is-clearing{background:var(--accent);color:#fff;border-color:var(--accent);transform:scale(1.08);box-shadow:0 4px 14px -4px rgba(230,106,44,.7);z-index:2}.demo-tile.is-clearing .demo-tag{color:#fff}.demo-tile.is-dropping{animation:demo-drop .32s ease-out}@keyframes demo-drop{0%{transform:translateY(-26%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes demo-pop{0%{transform:translateY(4px) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.demo-overlay{position:absolute;inset:0;justify-content:center;gap:14px;text-align:center;padding:20px;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border-radius:8px;overflow-y:auto}.demo-gameover,.demo-overlay{display:flex;flex-direction:column;align-items:center}.demo-gameover{gap:12px;width:100%;margin-block:auto}.demo-overlay-chain{margin:0;font-size:14px;color:var(--ink-soft)}.demo-overlay-chain b{color:var(--ink);font-weight:700}.demo-lb-form{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;max-width:240px}.demo-lb-input{width:100%;padding:9px 12px;font-size:15px;font-family:inherit;text-align:center;border:1px solid var(--hairline);border-radius:8px;background:#fff}.demo-lb-input:focus{outline:none;border-color:var(--accent)}.demo-lb-error{margin:0;font-size:12px;color:#c0392b}.demo-lb-boards{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;width:100%}.demo-lb-board{flex:1 1 130px;max-width:200px;text-align:left}.demo-lb-title{margin:0 0 6px;font-size:10px;letter-spacing:.14em;text-transform:uppercase}.demo-lb-empty,.demo-lb-title{color:var(--ink-soft);text-align:center}.demo-lb-empty{margin:0;font-size:12px}.demo-lb-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px}.demo-lb-list li{display:flex;align-items:baseline;gap:7px;padding:2px 6px;font-size:13px;border-radius:4px}.demo-lb-list li.is-you{background:var(--accent);color:#fff}.demo-lb-rank{width:14px;color:var(--ink-soft);font-size:11px;text-align:right}.demo-lb-list li.is-you .demo-lb-rank{color:rgba(255,255,255,.8)}.demo-lb-name{flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.demo-lb-value{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700}.demo-overlay-kicker{margin:0;font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--ink-soft)}.demo-overlay-score{margin:0;font-size:56px;font-weight:700;letter-spacing:-.03em;line-height:1}.demo-overlay-hint{max-width:30ch}.demo-overlay-hint,.demo-overlay-loading{margin:0;font-size:14px;color:var(--ink-soft)}.demo-overlay-actions{display:flex;flex-direction:column;align-items:center;gap:12px}.demo-overlay-link{font-size:14px;font-weight:600}.demo-modes{gap:10px;width:100%;max-width:340px}.demo-mode-card,.demo-modes{display:flex;flex-direction:column}.demo-mode-card{gap:4px;text-align:left;padding:12px 16px;border:1.5px solid var(--hairline);border-radius:14px;background:#fff;cursor:pointer;transition:border-color .15s ease,transform .1s ease}.demo-mode-card:hover{border-color:var(--accent);transform:translateY(-1px)}.demo-mode-name{font-size:19px;font-weight:700;color:var(--ink)}.demo-mode-tag{font-size:12.5px;line-height:1.35;color:var(--ink-soft)}.demo-side-mode{margin:0 0 4px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--accent)}.demo-caption{margin:14px 0 0;text-align:center;font-size:13px;color:var(--ink-soft)}@media (prefers-reduced-motion:reduce){.demo-tile.is-dropping,.demo-toast-word{animation:none}}.section{padding:24px 0 8px}.section h2{font-size:13px;text-transform:uppercase;letter-spacing:.16em;font-weight:600;color:var(--ink-soft);margin:0 0 24px}.cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.card{border:1px solid var(--hairline);border-radius:12px;padding:22px}.card h3{margin:0 0 8px;font-size:17px;font-weight:600}.card p{margin:0;font-size:15px;color:var(--ink-soft)}@media (max-width:600px){.cards{grid-template-columns:1fr}}.article{padding:24px 0 48px}.article h1{text-align:left;font-size:clamp(30px,6vw,42px);margin-bottom:8px}.article .updated{color:var(--ink-soft);font-size:14px;margin:0 0 36px}.article h2{font-size:20px;font-weight:700;letter-spacing:-.01em;margin:36px 0 10px}.article li,.article p{color:#2c2c2c}.article ul{padding-left:22px}.article li{margin:6px 0}.callout{border:1px solid var(--hairline);border-left:3px solid var(--accent);border-radius:8px;padding:18px 20px;margin:24px 0;background:#fcfbfa}.callout p{margin:0}.site-footer{border-top:1px solid var(--hairline);margin-top:48px;padding:28px 0 48px}.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:14px}.site-footer .wrap,.site-footer a{color:var(--ink-soft)}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/ba9851c3c22cd980-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/21350d82a1f187e9-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/c5fe6dc8356a8c31-s.woff2) format("woff2");unicode-range:u+1f??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/19cfc7226ec3afaa-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/df0a9ae256c0569c-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/8e9860b6e62d6359-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/e4af272ccee01ff0-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Inter Fallback;src:local("Arial");ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.00%;size-adjust:107.12%}.__className_f367f3{font-family:Inter,Inter Fallback;font-style:normal}.__variable_f367f3{--font-inter:"Inter","Inter Fallback"}