:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c1f24;--muted: #5f6672;--border: #e1e4e8;--grid: #e9ecef;--accent: #2557d6;--ok-bg: #e5f4ea;--ok-fg: #1b6b35;--warn-bg: #fff4d6;--warn-fg: #8a5a00;--critical-bg: #fde5e3;--critical-fg: #a3231a;--series-1: #2557d6;--series-2: #d9534f;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #14161a;--surface: #1d2026;--text: #e7e9ec;--muted: #9aa1ab;--border: #2e323a;--grid: #2a2e35;--accent: #7aa2ff;--ok-bg: #173323;--ok-fg: #7fd69c;--warn-bg: #3a2f10;--warn-fg: #f2c55c;--critical-bg: #3d1a17;--critical-fg: #ff8c82;--series-1: #7aa2ff;--series-2: #ff8c82;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}h1{font-size:22px;margin:0}h2{font-size:16px;margin:0 0 12px}button{font:inherit;padding:6px 12px;border:1px solid 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