@font-face{font-family:Sora;src:url(/fonts/sora-var.woff2) format("woff2");font-weight:100 800;font-display:swap}@font-face{font-family:Spline Sans Mono;src:url(/fonts/spline-sans-mono-var.woff2) format("woff2");font-weight:300 700;font-display:swap}:root{--paper: #FBF7EF;--card: #FFFFFF;--ink: #241F17;--muted: #8A8070;--soft: #55503F;--line: #E8E0D1;--line-strong: #241F17;--accent: #A9711F;--accent-down: #8A5A14;--board: #DCB278;--board-line: #6B5533;--stone-black: #1A150F;--stone-white: #FBF7EF;--sans: "Sora", "Segoe UI", system-ui, sans-serif;--mono: "Spline Sans Mono", ui-monospace, monospace}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--paper: #17140F;--card: #211C15;--ink: #EDE6D9;--muted: #998E7C;--soft: #C4BAA9;--line: #2F281E;--line-strong: #EDE6D9;--accent: #E0A756;--accent-down: #EFBF7C;--board: #B98F55;--board-line: #3B2E1B}}:root[data-theme=dark]{--paper: #17140F;--card: #211C15;--ink: #EDE6D9;--muted: #998E7C;--soft: #C4BAA9;--line: #2F281E;--line-strong: #EDE6D9;--accent: #E0A756;--accent-down: #EFBF7C;--board: #B98F55;--board-line: #3B2E1B}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer}input,select{font:inherit}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-down)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.shell{max-width:880px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom))}header{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px}header nav{display:flex;gap:8px}.wordmark{font-weight:700;font-size:22px;letter-spacing:-.02em}button.ghost,button.primary{min-height:44px;padding:0 16px;border-radius:10px}button.ghost{color:var(--muted);border:1px solid var(--line)}button.ghost:hover{color:var(--ink);border-color:var(--line-strong)}button.primary{background:var(--accent);color:var(--paper);font-weight:600}button.primary:hover{background:var(--accent-down)}button:disabled{opacity:.6;cursor:default}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.signin{max-width:360px;margin:40px auto;display:grid;gap:14px}.signin h2{margin:0;font-size:18px}.signin label{display:grid;gap:6px;font-size:13px;color:var(--muted)}.signin input{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink)}.error{color:#c0392b;font-size:13px;margin:0}@media(prefers-color-scheme:dark){.error{color:#f08c7a}}.hero{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:center;margin-bottom:28px}.hero h1{margin:0 0 8px;font-size:30px;letter-spacing:-.02em}.lede{margin:0;color:var(--soft);max-width:42ch}.boardmark{width:100%;height:auto;display:block;border-radius:6px}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mode h3{margin:0 0 6px;font-size:15px}.mode p{margin:0 0 12px;color:var(--muted);font-size:13px}.soon{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}@media(max-width:640px){.hero{grid-template-columns:1fr;gap:18px}.boardmark{max-width:220px}.modes{grid-template-columns:1fr}}