:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #2554d8;
  --accent-text: #ffffff;
  --good: #137a4b;
  --bad: #c0362c;
  --warn: #a15c00;
  --good-bg: #e6f4ec;
  --bad-bg: #fbe9e7;
  --warn-bg: #fdf1dc;
  --chip: #eef0f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151b;
    --card: #1a2029;
    --text: #e7ebf0;
    --muted: #98a2b3;
    --line: #2b3340;
    --accent: #6d8fff;
    --accent-text: #0b1020;
    --good: #4cc38a;
    --bad: #ff7a6e;
    --warn: #f0b04a;
    --good-bg: #173326;
    --bad-bg: #3a1d1a;
    --warn-bg: #3a2c12;
    --chip: #252c37;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1, h2 { line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }

.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line); gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.main-nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.main-nav a:not(.brand) { color: var(--muted); text-decoration: none; font-size: 14px; }
.main-nav a.on { color: var(--text); font-weight: 600; }
.who { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 14px; flex-wrap: wrap; }
.who form { margin: 0; }

.tabs { display: flex; gap: 4px; padding: 8px 16px; background: var(--card); border-bottom: 1px solid var(--line); overflow-x: auto; align-items: center; }
.tabs strong { margin-right: 12px; white-space: nowrap; }
.tabs a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); white-space: nowrap; }
.tabs a.on { background: var(--chip); color: var(--text); font-weight: 600; }

main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 60px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.card.alert { border-color: var(--bad); background: var(--bad-bg); }
.big { font-size: 18px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.good { color: var(--good); }
.bad { color: var(--bad); }

.flash { padding: 10px 14px; border-radius: 10px; background: var(--good-bg); color: var(--good); margin: 0 0 16px; }
.flash.error { background: var(--bad-bg); color: var(--bad); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 0 0 16px; }
.stats > div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.stats span { color: var(--muted); font-size: 13px; }
.stats strong { font-size: 22px; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
.compact td, .compact th { padding: 6px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.card { overflow-x: auto; }

.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--chip); font-size: 12px; white-space: nowrap; }
.pill.good { background: var(--good-bg); color: var(--good); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }

form { margin: 0; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; align-items: end; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 6px; }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); min-width: 0; }
input[type="file"] { padding: 6px; }
button, .button { font: inherit; display: inline-block; padding: 8px 14px; border-radius: 8px; border: 0; background: var(--accent); color: var(--accent-text); cursor: pointer; text-decoration: none; font-weight: 600; }
.button.secondary { background: var(--chip); color: var(--text); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.gallery figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.gallery figcaption { padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }

.qr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.qr-img { background: #fff; padding: 12px; border-radius: 12px; display: inline-block; }
.qr-img svg { display: block; width: 220px; height: 220px; }
.qr .small { word-break: break-all; }

.report { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-top: 12px; }
.report h2 { margin-top: 24px; }
.barcell { width: 40%; }
.bar { display: block; height: 10px; border-radius: 5px; background: var(--accent); min-width: 2px; margin-top: 6px; }

@media print {
  .top, .tabs, .noprint { display: none; }
  body { background: #fff; color: #000; }
  main { padding: 0; }
  .report { border: 0; padding: 0; }
}

/* Business grader (/grader): softer headline highlight so dark text stays readable on our blue accent. */
#grader .hero h1 mark { background: linear-gradient(transparent 60%, color-mix(in srgb, var(--accent) 28%, transparent) 60%); }

/* "Continue with Google" on the login page */
.button.google { display: block; text-align: center; background: var(--card); color: var(--text); border: 1px solid var(--line); }