:root{--bg: #0f1219;--bg-grid: rgba(255, 255, 255, .035);--bg-dot: rgba(255, 255, 255, .13);--bg-glow: rgba(233, 180, 76, .11);--bg-glow-2: rgba(93, 120, 200, .1);--surface: #161b25;--surface-2: #1d2331;--line: #2a3242;--line-strong: #4a546b;--ink: #eef0f5;--muted: #8b93a7;--cell-empty: #121620;--cell-fill: #f2ebdd;--cell-hover: rgba(233, 180, 76, .12);--mark: #5b6478;--accent: #e9b44c;--accent-ink: #1a1408;--danger: #e06c6c;--shadow: 0 20px 60px rgba(0, 0, 0, .45);--radius: 14px;--font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;--font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;color-scheme:dark}:root[data-theme=light]{--bg: #eef0ec;--bg-grid: rgba(20, 30, 40, .06);--bg-dot: rgba(20, 30, 40, .18);--bg-glow: rgba(255, 255, 255, .95);--bg-glow-2: rgba(184, 121, 42, .1);--surface: #f7f8f5;--surface-2: #ffffff;--line: #d3d7d0;--line-strong: #9fa69c;--ink: #171a21;--muted: #626879;--cell-empty: #ffffff;--cell-fill: #1b1f2a;--cell-hover: rgba(184, 121, 42, .14);--mark: #9aa1b2;--accent: #b8792a;--accent-ink: #ffffff;--danger: #c74b4b;--shadow: 0 20px 50px rgba(30, 40, 60, .18);color-scheme:light}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;min-height:100%}body{background-color:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}html[data-bg=grid] body{background-image:linear-gradient(var(--bg-grid) 1px,transparent 1px),linear-gradient(90deg,var(--bg-grid) 1px,transparent 1px);background-size:28px 28px}html[data-bg=dots] body{background-image:radial-gradient(var(--bg-dot) 1px,transparent 1.5px);background-size:24px 24px;background-position:12px 12px}html[data-bg=glow] body{background-image:radial-gradient(900px 520px at 50% -8%,var(--bg-glow),transparent 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