:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --panel: #ffffff;
  --ink: #171716;
  --ink-2: #52514e;
  --ink-3: #75746f;
  --line: #e4e3df;
  --blue: #2a78d6;
  --orange: #eb6834;
  --band: rgba(42, 120, 214, 0.16);
  --good-bg: #e4f4ea;
  --good-ink: #17643a;
  --bad-bg: #fbe9e4;
  --bad-ink: #a23a1d;
  --neutral-bg: #efeeea;
  --neutral-ink: #52514e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface: #161615;
    --panel: #1f1f1d;
    --ink: #f2f1ed;
    --ink-2: #bdbcb6;
    --ink-3: #96958f;
    --line: #363632;
    --blue: #5b9be6;
    --orange: #f0824f;
    --band: rgba(91, 155, 230, 0.2);
    --good-bg: #173a27;
    --good-ink: #8fdcae;
    --bad-bg: #472318;
    --bad-ink: #f4aa92;
    --neutral-bg: #2b2b28;
    --neutral-ink: #bdbcb6;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Pretendard", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  word-break: keep-all;
}
.top { padding: 22px max(16px, calc((100vw - 1120px) / 2)) 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; }
.logout { margin-left: auto; padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink-3); font-size: 13px; cursor: pointer; }
.login { max-width: 420px; }
.notice { margin: 6px 0 0; color: var(--ink-2); font-size: 13.5px; }
.tabs {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  padding: 0 max(16px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 2;
}
.tabs button {
  border: 0;
  background: none;
  color: var(--ink-2);
  font: inherit;
  padding: 11px 13px;
  white-space: nowrap;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tabs button[aria-selected="true"] { color: var(--ink); font-weight: 650; border-bottom-color: var(--ink); }
main { padding: 20px max(16px, calc((100vw - 1120px) / 2)) 64px; }
h2 { font-size: 21px; margin: 4px 0 6px; }
h3 { font-size: 16px; margin: 30px 0 8px; }
.lead { color: var(--ink-2); margin: 0 0 16px; max-width: 760px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; margin: 14px 0 8px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.tile .label { color: var(--ink-2); font-size: 13px; }
.tile .value { font-size: 27px; font-weight: 700; margin: 2px 0; font-variant-numeric: tabular-nums; }
.tile .goal { color: var(--ink-3); font-size: 12.5px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; font-size: 13px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.chip { display: inline-block; border-radius: 6px; padding: 1px 8px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.chip.good { background: var(--good-bg); color: var(--good-ink); }
.chip.bad { background: var(--bad-bg); color: var(--bad-ink); }
.chip.neutral { background: var(--neutral-bg); color: var(--neutral-ink); }
ul.notes { margin: 10px 0; padding-left: 20px; max-width: 880px; }
ul.notes li { margin: 5px 0; }
.stage { margin-top: 30px; }
.stage-title { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.stage-title span { color: var(--ink-2); font-size: 13.5px; }
.bars { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.bar-row { display: grid; grid-template-columns: minmax(110px, 190px) 1fr 62px; gap: 10px; align-items: center; padding: 4px 0; font-size: 13.5px; }
.bar-track { height: 16px; }
.bar-fill { height: 100%; background: var(--blue); border-radius: 0 4px 4px 0; min-width: 2px; }
.bar-value { text-align: right; font-variant-numeric: tabular-nums; }
.controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 12px 0; }
select { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); max-width: 100%; }
.chart { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.chart svg { display: block; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.swatch { display: inline-block; width: 16px; height: 3px; vertical-align: middle; margin-right: 5px; border-radius: 2px; }
.swatch.area { height: 10px; background: var(--band); }
.tooltip { position: fixed; z-index: 5; pointer-events: none; background: var(--ink); color: var(--surface); padding: 6px 9px; border-radius: 7px; font-size: 12.5px; white-space: pre-line; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.gallery a { display: block; background: #fcfcfb; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.gallery img { display: block; width: 100%; height: auto; }
.docs { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 8px; }
.docs a { display: block; padding: 10px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 14px; overflow-wrap: anywhere; }
.docs a:hover { border-color: var(--ink-3); }
.callout { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--orange); border-radius: 8px; padding: 10px 14px; margin: 12px 0; max-width: 880px; }
.link-button { display: inline-block; padding: 8px 13px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--panel); text-decoration: none; }
.loading { color: var(--ink-2); }
@media (max-width: 560px) {
  .bar-row { grid-template-columns: 96px 1fr 54px; }
  .tile .value { font-size: 23px; }
}

.demo-form label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.demo-form input[type="number"] { width: 84px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); }
#demo-send { padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); cursor: pointer; }
#demo-send:disabled { opacity: .5; cursor: not-allowed; }