:root,:root[data-theme=dark]{--bg:#0a0a0a;--surface:#151515;--fg:#ededed;--muted:#8c8c8c;--line:#262626;--c-new:#4db3e6;--c-learn:#e5a04a;--c-due:#55b374;--chip-again:#e07466;--chip-hard:#d4a35d;--chip-good:#79b69b;--chip-easy:#6fa9d8;--danger:#e07466;--accent:#58bce4;--accent-text:#58bce4;--on-accent:#0a0a0a}:root[data-theme=light]{--bg:#fff;--surface:#f4f4f4;--fg:#111;--muted:#6b6b6b;--line:#e3e3e3;--c-new:#1f84b5;--c-learn:#b86e00;--c-due:#1f7a4d;--chip-again:#c0392b;--chip-hard:#9a5a00;--chip-good:#1f7a4d;--chip-easy:#1f84b5;--danger:#c0392b}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);height:100%;color:var(--fg);margin:0}body{-webkit-font-smoothing:antialiased;overscroll-behavior:none;font:16px/1.4 -apple-system,BlinkMacSystemFont,SF Pro 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