/* One stylesheet, no build step. Light and dark from one set of tokens. */

:root {
  color-scheme: light dark;

  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #e2e1dc;
  --ink: #1c1b19;
  --ink-muted: #6b6963;
  --ink-faint: #94918a;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --warn-bg: #fdf3e0;
  --warn-border: #e0c48a;
  --flag-bg: #fbe9e7;
  --flag-border: #e3a79c;
  --ok-bg: #e7f2ec;
  --ok-border: #9cc3b0;

  --conf-confirmed: #2f7d4f;
  --conf-high: #4f9d6a;
  --conf-medium: #c99a3d;
  --conf-low: #cf7a3f;
  --conf-speculative: #b45b5b;

  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --surface: #1e2024;
    --border: #313439;
    --ink: #e8e7e3;
    --ink-muted: #9c9a94;
    --ink-faint: #6e6c67;
    --accent: #6fbfa1;
    --accent-ink: #12241d;
    --warn-bg: #33291a;
    --warn-border: #6b552c;
    --flag-bg: #37211f;
    --flag-border: #7a4640;
    --ok-bg: #1d2f27;
    --ok-border: #3f6b56;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
}

body.centred {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- chrome ------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-weight: 650; color: var(--ink); letter-spacing: -0.01em; }
.topbar nav { display: flex; gap: 1.1rem; }
.topbar nav a { color: var(--ink-muted); }
.topbar nav a:hover { color: var(--ink); text-decoration: none; }
.logout { margin-left: auto; }

main { padding: 1.5rem; max-width: 1400px; margin: 0 auto; }

footer {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  color: var(--ink-faint);
  font-size: 12px;
}

h1 { font-size: 1.5rem; font-weight: 650; margin: 0 0 1rem; letter-spacing: -0.02em; }
h2 { font-size: 0.8rem; font-weight: 650; text-transform: uppercase;
     letter-spacing: 0.06em; color: var(--ink-muted); margin: 0 0 0.75rem; }

.headline { color: var(--ink-muted); margin: -0.5rem 0 1.25rem; font-size: 15px; }

/* --- layout ------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--ink);
}
.card:hover { text-decoration: none; border-color: var(--accent); }
.card.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.card.flag { background: var(--flag-bg); border-color: var(--flag-border); }
.figure { font-size: 1.7rem; font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.label { font-size: 12px; color: var(--ink-muted); }

/* --- tables ------------------------------------------------------------- */

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  font-weight: 600;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
td { padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }

.listing {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.listing tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.not-applied { opacity: 0.55; }
.decided td { color: var(--ink-muted); font-style: italic; }

.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted { color: var(--ink-muted); }
.mono { font-family: var(--mono); font-size: 12px; }
.basis { color: var(--ink-faint); font-size: 12px; line-height: 1.4; }
.count { color: var(--ink-muted); font-size: 12px; margin: 0 0 0.5rem; }

.bar { width: 45%; }
.bar span {
  display: block;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.7;
}

dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; }
dt { color: var(--ink-faint); font-size: 12px; padding-top: 0.1rem; }
dd { margin: 0; }

meter { width: 60px; height: 8px; }

/* --- pills and confidence ---------------------------------------------- */

.pill {
  display: inline-block;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 11px;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  color: var(--ink-muted);
  white-space: nowrap;
}
.pill.ok { background: var(--ok-bg); border: 1px solid var(--ok-border); color: var(--ink); }
.pill.flag { background: var(--flag-bg); border: 1px solid var(--flag-border); color: var(--ink); }

.pill.conf-confirmed { background: var(--conf-confirmed); color: #fff; }
.pill.conf-high { background: var(--conf-high); color: #fff; }
.pill.conf-medium { background: var(--conf-medium); color: #23200f; }
.pill.conf-low { background: var(--conf-low); color: #fff; }
.pill.conf-speculative { background: var(--conf-speculative); color: #fff; }

/* A dot beside an inferred year, coloured by how much to trust it. */
.conf {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-left: 0.35rem;
  vertical-align: middle;
}
.conf-confirmed { background: var(--conf-confirmed); }
.conf-high { background: var(--conf-high); }
.conf-medium { background: var(--conf-medium); }
.conf-low { background: var(--conf-low); }
.conf-speculative { background: var(--conf-speculative); }

/* --- forms -------------------------------------------------------------- */

input, select, textarea, button {
  font: inherit;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  cursor: pointer;
  font-weight: 550;
}
button:hover { filter: brightness(1.08); }
button.secondary { background: var(--surface); color: var(--ink); border-color: var(--border); }
button.danger { background: var(--conf-speculative); }
button.link { background: none; border: none; color: var(--ink-muted); padding: 0; }
button.link:hover { color: var(--ink); text-decoration: underline; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.filters input[type="search"] { min-width: 260px; flex: 1 1 260px; }

.stacked { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-start; margin-top: 0.75rem; }
.stacked label { display: flex; flex-direction: column; gap: 0.25rem; width: 100%; font-size: 12px; color: var(--ink-muted); }
.stacked textarea { width: 100%; }
form.inline { display: inline; }
.actions { display: flex; gap: 0.35rem; white-space: nowrap; }

.login { width: min(340px, 90vw); display: flex; flex-direction: column; gap: 0.75rem; }
.login label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 12px; color: var(--ink-muted); }
.error { color: var(--conf-speculative); font-size: 13px; margin: 0; }

.notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  font-size: 13px;
  margin: 0 0 1rem;
}
.notice.flag { background: var(--flag-bg); border-color: var(--flag-border); }

.tabs { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.tabs a {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  color: var(--ink-muted);
  font-size: 13px;
}
.tabs a.on { background: var(--surface); border: 1px solid var(--border); color: var(--ink); }

.pager { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; font-size: 13px; }

.note {
  border-left: 2px solid var(--border);
  padding-left: 0.75rem;
  margin: 0.75rem 0;
}
.note p { margin: 0 0 0.2rem; }

code {
  font-family: var(--mono);
  font-size: 12px;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 0.75rem; }
  main { padding: 1rem; }
  .listing { display: block; overflow-x: auto; }
}