:root { --bg: #f3f5f7; --panel: #fff; --ink: #17202a; --muted: #586473; --line: #d5dce3; --bad: #b42318; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 -apple-system, "Segoe UI", system-ui, sans-serif; }
header { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
header a { color: var(--muted); }
h1 { margin: 0; font-size: 22px; }
h2 { margin: 0 0 10px; font-size: 16px; }
main { max-width: 1040px; margin: 0 auto; padding: 24px 16px; display: grid; gap: 20px; }
section { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; min-width: 0; }
.bad { color: var(--bad); }
.sign-in { text-align: center; padding: 40px 18px; }
.button { display: inline-block; padding: 10px 22px; border-radius: 6px; background: var(--ink); color: var(--panel); text-decoration: none; font-weight: 600; }
#chart { overflow-x: auto; }
#chart svg { display: block; width: 100%; min-width: 600px; height: auto; }
.axis, .tick { fill: var(--muted); font-size: 12px; }
.grid { stroke: var(--line); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; font-size: 13px; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 3px; margin-right: 6px; vertical-align: middle; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
td.num, th.num { text-align: right; }