:root{--bg:#eef2f6;--paper:#fff;--ink:#1b2a3a;--muted:#5d6b7b;--line:#d3dbe4;--accent:#1f5fbf;--accent-soft:#dde8f8;--hl:#ffe680;--ok:#1d8a5a;--ok-soft:#dcf2e7;--bad:#c23a32;--bad-soft:#fbe1df;--f-display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;--f-body:"Source Sans 3", "Segoe UI", system-ui, sans-serif;--f-mono:"JetBrains Mono", ui-monospace, Menlo, monospace;--tap:44px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111821;--paper:#18222e;--ink:#e4ebf3;--muted:#93a2b3;--line:#2b3a4b;--accent:#6fa3f0;--accent-soft:#1f3350;--hl:#6b5a12;--ok:#4cc38a;--ok-soft:#173a2a;--bad:#f07a71;--bad-soft:#45201e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#111821;--paper:#18222e;--ink:#e4ebf3;--muted:#93a2b3;--line:#2b3a4b;--accent:#6fa3f0;--accent-soft:#1f3350;--hl:#6b5a12;--ok:#4cc38a;--ok-soft:#173a2a;--bad:#f07a71;--bad-soft:#45201e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font-family:var(--f-body);padding-bottom:env(safe-area-inset-bottom,0px);margin:0;font-size:16px;line-height:1.5}[hidden]{display:none!important}a{color:var(--accent)}button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}.site-header{z-index:10;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:calc(10px + env(safe-area-inset-top,0px)) max(16px, env(safe-area-inset-right,0px)) 10px max(16px, 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9px;font-size:12px}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.chip{font:inherit;border:1px solid var(--line);background:var(--paper);min-height:36px;color:var(--ink);cursor:pointer;border-radius:999px;padding:5px 14px;font-size:14px}.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--paper)}.tabs{border-bottom:2px solid var(--line);scrollbar-width:none;gap:4px;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tab{font:inherit;font-family:var(--f-display);white-space:nowrap;min-height:var(--tap);color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;margin-bottom:-2px;padding:8px 14px;font-size:17px;font-weight:500}.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}.board{background:var(--paper);border:1px solid var(--line);border-radius:10px;flex-direction:column;gap:16px;padding:18px;display:flex}.board-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;display:flex}.step{font-family:var(--f-display);margin:0;font-size:20px;font-weight:500}.step b{color:var(--accent)}.stats{font-family:var(--f-mono);font-variant-numeric:tabular-nums;color:var(--muted);flex-wrap:wrap;gap:4px 16px;font-size:13px;display:flex}.stats strong{color:var(--ink)}.card{font:inherit;text-align:left;border:1.5px solid var(--line);background:var(--bg);min-height:52px;color:var(--ink);cursor:pointer;overflow-wrap:anywhere;border-radius:8px;flex-direction:column;justify-content:center;gap:1px;padding:8px 12px;transition:background .15s,border-color .15s;display:flex}.card.sel{background:var(--hl);border-color:var(--ink)}.card.done{background:var(--ok-soft);border-color:var(--ok);cursor:default;opacity:.85}.card.wrong{background:var(--bad-soft);border-color:var(--bad);animation:.3s 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