:root {
  --bg: #f7f7f5; --panel: #ffffff; --ink: #1d1d1b; --muted: #6b6b66; --line: #e3e2dd;
  --up: #d1352b; --down: #2b62c4; --accent: #2f6f5e; --warn: #a66300; --warn-bg: #fff5e6; --need-bg: #f1f0ec;
  --grid: #ecebe6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #151514; --panel: #1e1e1c; --ink: #ecebe6; --muted: #a3a29c; --line: #34332f;
    --up: #ff6b5e; --down: #6ea0ff; --accent: #6fc2a8; --warn: #f0b04a; --warn-bg: #2d2416; --need-bg: #262522; --grid: #2c2b28;
  }
}
:root[data-theme="dark"] {
  --bg: #151514; --panel: #1e1e1c; --ink: #ecebe6; --muted: #a3a29c; --line: #34332f;
  --up: #ff6b5e; --down: #6ea0ff; --accent: #6fc2a8; --warn: #f0b04a; --warn-bg: #2d2416; --need-bg: #262522; --grid: #2c2b28;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif; }
.top { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 16px 0; }
.top-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; max-width: 1100px; margin: 0 auto; }
h1 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }
.asof { font-size: 12px; color: var(--muted); }
.tabs { display: flex; gap: 2px; overflow-x: auto; max-width: 1100px; margin: 8px auto 0; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { flex: 0 0 auto; border: 0; background: none; color: var(--muted); font: inherit; font-size: 14px; padding: 8px 10px 10px; border-bottom: 2px solid transparent; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
main { max-width: 1100px; margin: 0 auto; padding: 12px 16px 40px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 14px 10px; margin: 0 0 14px; }
.card h2 { font-size: 16px; margin: 0 0 4px; }
.card h2 .no { color: var(--muted); font-weight: 500; margin-right: 6px; font-variant-numeric: tabular-nums; }
.desc { font-size: 13.5px; color: var(--ink); margin: 2px 0 8px; }
.meta { display: flex; flex-wrap: wrap; gap: 2px 14px; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.meta b { color: var(--ink); font-weight: 600; }
.latest { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; margin: 4px 0 2px; }
.latest small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 6px; }
.pos { color: var(--up); } .neg { color: var(--down); }
.chart { width: 100%; height: 300px; }
.chart.tall { height: 360px; }
.ctrl { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 6px 0 2px; }
.ctrl button, .dl button { font: inherit; font-size: 12.5px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.ctrl button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.dl { display: flex; gap: 6px; justify-content: flex-end; margin-top: 4px; }
.status { display: inline-block; font-size: 11.5px; padding: 1px 8px; border-radius: 10px; border: 1px solid var(--line); }
.status.ok { color: var(--accent); border-color: var(--accent); }
.status.data_needed, .status.unconfirmed { color: var(--warn); border-color: var(--warn); }
.need { background: var(--need-bg); border-radius: 6px; padding: 12px; font-size: 13.5px; color: var(--muted); }
.notes { background: var(--warn-bg); border-radius: 6px; padding: 10px 12px; font-size: 13px; margin: 8px 0 4px; }
.notes h3 { font-size: 13px; margin: 0 0 4px; color: var(--warn); }
.notes ol, .notes ul { margin: 0; padding-left: 18px; }
.interp { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 8px; font-size: 13.5px; }
.interp dl { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; margin: 0; }
.interp dt { color: var(--muted); }
.interp dd { margin: 0; }
.tag { font-weight: 650; }
.section-note { font-size: 13px; color: var(--muted); margin: 0 0 12px; }
table.v { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.v th, table.v td { text-align: left; border-bottom: 1px solid var(--line); padding: 6px 4px; vertical-align: top; }
table.v td.r-pass { color: var(--accent); } table.v td.r-fail { color: var(--up); } table.v td.r-warn { color: var(--warn); }
.foot { max-width: 1100px; margin: 0 auto; padding: 0 16px 30px; font-size: 12px; color: var(--muted); }
@media (min-width: 900px) { .chart { height: 340px; } .chart.tall { height: 420px; } }