:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series: #2a78d6;
  --good: #0ca30c;
  --caution: #fab219;
  --bad: #d03b3b;
  --neutral: #898781;
  --wash: rgba(42, 120, 214, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series: #3987e5;
    --wash: rgba(57, 135, 229, 0.12);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series: #3987e5;
  --wash: rgba(57, 135, 229, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
}
main, .top { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; padding-top: 20px; }
h1 { margin: 0; font-size: 22px; }
h2 { font-size: 16px; margin: 28px 0 10px; }
h2 small { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 6px; }
.sub { margin: 2px 0 0; color: var(--ink-2); font-size: 12px; }
.steps { display: flex; gap: 4px; flex-wrap: wrap; }
.steps span { padding: 4px 10px; border-radius: 999px; font-size: 12px; color: var(--muted); border: 1px solid var(--border); }
.steps .on { color: var(--ink); border-color: var(--ink-2); font-weight: 600; }

/* 레짐 카드 */
.signals { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); gap: 10px; }
.sig { min-width: 0; overflow-wrap: anywhere; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; border-left: 4px solid var(--lv); }
.sig .row { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.sig .name { font-weight: 600; }
.sig .id { color: var(--muted); font-size: 12px; margin-right: 4px; font-variant-numeric: tabular-nums; }
.chip { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; font-size: 13px; white-space: nowrap; }
.chip i { font-style: normal; color: var(--lv); }
.sig .note { margin: 6px 0 4px; color: var(--ink-2); font-size: 12.5px; }
.sig .asof { color: var(--muted); font-size: 11.5px; }
.sig details { margin-top: 4px; font-size: 12px; color: var(--ink-2); }
.sig details li { margin: 2px 0; }
.lv-good { --lv: var(--good); }
.lv-caution { --lv: var(--caution); }
.lv-bad { --lv: var(--bad); }
.lv-neutral, .lv-na { --lv: var(--neutral); }

/* 지표 타일 */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr)); gap: 10px; }
.tile {
  text-align: left; font: inherit; color: inherit; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px; min-width: 0;
}
.tile:hover, .tile:focus-visible { background: linear-gradient(var(--wash), var(--wash)), var(--surface); outline: none; border-color: var(--series); }
.tile .name { font-size: 13px; color: var(--ink-2); }
.tile .code { color: var(--muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile .val { font-size: 22px; font-weight: 600; }
.tile .val small { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 3px; }
.tile .chg { display: flex; gap: 12px; font-size: 12px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.tile .chg b { font-weight: 600; color: var(--ink); }
.tile svg { width: 100%; height: 40px; display: block; }
.tile .foot { display: flex; flex-wrap: wrap; justify-content: space-between; column-gap: 8px; font-size: 11px; color: var(--muted); }
.tile .foot span { white-space: nowrap; }
.stale { color: var(--bad); font-weight: 600; }
.spark { fill: none; stroke: var(--series); stroke-width: 1.5; }
.spark-end { fill: var(--series); }

/* 수집 상태 */
.status { margin-bottom: 40px; }
.status table { border-collapse: collapse; width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.status th, .status td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); font-size: 12.5px; }
.status th { color: var(--muted); font-weight: 500; }
.status .fail { color: var(--bad); }
.status .ok { color: var(--ink-2); }
.table-scroll { overflow-x: auto; }

/* 상세 */
dialog {
  width: min(960px, calc(100vw - 16px)); max-height: calc(100vh - 32px);
  border: 1px solid var(--border); border-radius: 12px; padding: 16px;
  background: var(--surface); color: var(--ink);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dlg-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.dlg-head h3 { margin: 0; font-size: 17px; }
.close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--ink-2); padding: 4px 8px; }
.ranges { display: flex; gap: 6px; margin: 12px 0 8px; flex-wrap: wrap; }
.ranges button {
  font: inherit; font-size: 12.5px; padding: 4px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: transparent; color: var(--ink-2);
}
.ranges button[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); font-weight: 600; }
.ranges .ghost { margin-left: auto; }
.chart { position: relative; }
.chart svg { width: 100%; height: auto; display: block; touch-action: pan-y; }
.chart .line { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .zero { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .cross { stroke: var(--axis); stroke-width: 1; }
.chart .dot { fill: var(--series); stroke: var(--surface); stroke-width: 2; }
.tip {
  position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15); border-radius: 8px; padding: 6px 9px; font-size: 12px; white-space: nowrap;
}
.tip b { display: block; font-size: 14px; }
.tip span { color: var(--ink-2); }
.table-wrap { max-height: 50vh; overflow: auto; }
.table-wrap table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.table-wrap td, .table-wrap th { padding: 4px 10px; border-bottom: 1px solid var(--grid); text-align: right; font-size: 12.5px; }
.table-wrap th:first-child, .table-wrap td:first-child { text-align: left; }
.err { color: var(--bad); }

@media (max-width: 520px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile .val { font-size: 18px; }
  .tile .chg { flex-direction: column; gap: 0; }
  .status .hide-sm { display: none; }
}