:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --line: #e2e2dc;
  --accent: #1f4e79;
  --accent-text: #ffffff;
  --ok-bg: #e6f4ea;
  --ok-text: #1e6b34;
  --bad-bg: #fde8e8;
  --bad-text: #9b1c1c;
  --warn-bg: #fff4d6;
  --warn-text: #7a5300;
  --info-bg: #e7f0fa;
  --info-text: #1f4e79;
  --radius: 8px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --surface: #1f1f1d;
    --text: #ececea;
    --muted: #a3a39d;
    --line: #34342f;
    --accent: #7fb0e0;
    --accent-text: #0d1a26;
    --ok-bg: #173523;
    --ok-text: #8fd6a4;
    --bad-bg: #3b1717;
    --bad-text: #f1a1a1;
    --warn-bg: #3a2e10;
    --warn-text: #f1cf7a;
    --info-bg: #162636;
    --info-text: #9cc4ea;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
code.block { display: block; white-space: pre-wrap; word-break: break-all; margin-top: 4px; }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.nav a { text-decoration: none; }
.nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; }
.nav-signout { display: flex; align-items: center; gap: 8px; margin: 0; }
.who { color: var(--muted); font-size: 0.875rem; }

.main { max-width: 1100px; margin: 0 auto; padding: 24px; }
.main.narrow { max-width: 460px; }
.foot { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 24px; }

h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { font-size: 1.2rem; margin: 32px 0 12px; }
h3 { font-size: 1rem; margin: 20px 0 8px; }
section { margin-bottom: 24px; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.stack { display: flex; flex-direction: column; gap: 8px; max-width: 460px; }
input, select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}
input[type="checkbox"] { padding: 0; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; }

button, .button {
  display: inline-block;
  font: inherit;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button.small { padding: 4px 10px; font-size: 0.85rem; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--bad-text); border-color: var(--bad-text); }
button.granted { background: var(--ok-bg); color: var(--ok-text); border-color: var(--ok-text); }
button.link { background: none; border: none; color: var(--accent); padding: 0; text-decoration: underline; }

.providers { margin-top: 24px; display: flex; flex-direction: column; gap: 8px; }

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

.cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card h3 { margin-top: 0; }
.instructions, .doc { white-space: pre-wrap; }
.doc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
td form { margin: 0; }
.table-scroll { overflow-x: auto; }
.inline-form { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.check { display: inline-flex; gap: 6px; align-items: center; }
.matrix td { white-space: nowrap; }

.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; }
.chip-ok { background: var(--ok-bg); color: var(--ok-text); }
.chip-bad { background: var(--bad-bg); color: var(--bad-text); }
.chip-warn { background: var(--warn-bg); color: var(--warn-text); }
.chip-info { background: var(--info-bg); color: var(--info-text); }
.chip-muted { background: var(--line); color: var(--muted); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.pager { display: flex; gap: 16px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.events { padding-left: 20px; }
.events li { margin-bottom: 8px; }
.group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; margin-bottom: 8px; }
.jump { color: var(--muted); }
.entries { margin: 0; padding-left: 18px; }
select[multiple] { min-width: 260px; }

@media (max-width: 640px) {
  .top { padding: 12px 16px; }
  .main { padding: 16px; }
}

/* Settings page (CER-540) */
.card.once { border-color: var(--accent); margin-bottom: 20px; }
.copy-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.copy-row input { flex: 1; min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }