:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5d6673;
  --border: #d9dde3;
  --accent: #1f5fbf;
  --accent-text: #ffffff;
  --ok: #1d7a46;
  --ok-bg: #e5f4ea;
  --warn: #8a5a00;
  --warn-bg: #fdf3dc;
  --bad: #b3261e;
  --bad-bg: #fbe9e7;
  --info: #1f5fbf;
  --info-bg: #e7effb;
  --s-done: #2e8b57;
  --s-exhausted: #8fbf9f;
  --s-failed: #c8463d;
  --s-skipped: #9aa1ab;
  --s-running: #3b7dd8;
  --s-pending: #d5dae1;
  --radius: 8px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --surface: #1c2026;
    --text: #e6e9ed;
    --muted: #9aa3ae;
    --border: #333a43;
    --accent: #5b9bf0;
    --accent-text: #0d1117;
    --ok: #6fcf97;
    --ok-bg: #173324;
    --warn: #f2c063;
    --warn-bg: #3a2e12;
    --bad: #f28b82;
    --bad-bg: #3b1d1b;
    --info: #8ab4f8;
    --info-bg: #1b2a40;
    --s-pending: #3d444e;
    --s-exhausted: #4f7d60;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
/* Author `display` rules (e.g. on buttons) would otherwise override [hidden]. */
[hidden] { display: none !important; }

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); }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0.25rem 0; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { font-weight: 400; color: var(--muted); }
.topbar nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1rem; }
.topbar nav a { color: var(--text); text-decoration: none; padding: 0.25rem 0; }
.topbar nav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }
.topbar form { margin: 0; }

main { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.page-head, .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.section-head h2, .section-head h3 { margin: 0; }
.page-head p { margin: 0.25rem 0 0; }
.filename { font-weight: 400; color: var(--muted); word-break: break-all; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card.narrow { max-width: 420px; margin: 3rem auto; }

.stack { display: grid; gap: 0.5rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.page-head .actions { margin-top: 0; }
.split { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: flex-start; }

button, .button {
  display: inline-block;
  font: inherit;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}
button:hover:not(:disabled), .button:hover { border-color: var(--muted); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--bad); border-color: var(--bad); }
button.linklike { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; }
button:focus-visible, .button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input[type="password"], input[type="number"], select {
  font: inherit;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}
input[type="number"] { width: 5rem; }

.banner {
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  margin: 0 0 0.75rem;
  border: 1px solid transparent;
}
.banner.error { background: var(--bad-bg); border-color: var(--bad); }
.banner.warn { background: var(--warn-bg); border-color: var(--warn); }
.banner.info { background: var(--info-bg); border-color: var(--info); }
.banner details { margin-top: 0.4rem; }
.banner summary { cursor: pointer; color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 0.85em; }
.lead { font-size: 1.05rem; margin: 0.5rem 0 1rem; }
.nowrap { white-space: nowrap; }
.cap { text-transform: capitalize; }
.ok-text { color: var(--ok); }
.warn-text { color: var(--warn); font-weight: 600; }
.bad-text { color: var(--bad); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1.25rem; margin: 0.5rem 0 1rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data thead th { font-size: 0.85em; color: var(--muted); font-weight: 600; white-space: nowrap; }
table.data.compact th, table.data.compact td { padding: 0.3rem 0.6rem; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td.empty { text-align: center; color: var(--muted); padding: 2rem 1rem; }
#status-table { width: auto; min-width: 260px; }
#status-table tr.zero { color: var(--muted); }
#status-table th { font-weight: 400; }
td.filename { word-break: break-all; }
td.progress-cell { min-width: 190px; }

table.results tbody.group tr.group-head th {
  background: var(--bg);
  font-weight: 400;
  padding-top: 0.6rem;
  border-top: 2px solid var(--border);
}
.group-head th > * { margin-right: 0.6rem; }
.group-head .domain { font-weight: 600; }
.group-head .line { float: right; margin-right: 0; }
table.results tbody.group tr.group-head.empty th { background: transparent; border-top-width: 1px; }
.empty-note { color: var(--muted); font-style: italic; }
.confidence { font-weight: 600; }

.tag, .badge {
  display: inline-block;
  font-size: 0.8em;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.tag.s-done, .badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.tag.s-exhausted { color: var(--ok); }
.tag.s-failed, .badge.bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.tag.s-running { background: var(--info-bg); color: var(--info); border-color: transparent; }
.tag.s-pending, .tag.s-skipped, .badge.muted { color: var(--muted); }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
/* An address guessed from the company's pattern must not look verified. */
.badge.guess { color: var(--warn); border: 1px dashed var(--warn); }
.email.guess .addr { font-style: italic; color: var(--muted); }
.email.bad .addr { text-decoration: line-through; color: var(--muted); }

/* Progress bar from exact counts */
.progress { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: var(--s-pending); }
.progress.compact { height: 8px; margin-bottom: 0.25rem; }
.progress span { display: block; height: 100%; }
.s-done { background: var(--s-done); }
.s-exhausted { background: var(--s-exhausted); }
.s-failed { background: var(--s-failed); }
.s-skipped { background: var(--s-skipped); }
.s-running { background: var(--s-running); }
.s-pending { background: var(--s-pending); }
.tag.s-exhausted, .tag.s-pending, .tag.s-skipped { background: transparent; }
.swatch { display: inline-block; width: 0.8em; height: 0.8em; border-radius: 3px; margin-right: 0.5em; vertical-align: -0.05em; }

/* Upload */
.dropzone {
  display: grid;
  justify-items: center;
  gap: 0.25rem;
  padding: 2.5rem 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
}
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--info-bg); }
.dropzone:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.pace-note { color: var(--muted); font-size: 0.9em; margin: 0.75rem 0; max-width: 75ch; }
.rules { margin-top: 1rem; }
.rules summary { cursor: pointer; font-weight: 600; }
.rules pre { background: var(--bg); padding: 0.75rem; border-radius: 6px; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; align-items: center; margin-bottom: 0.75rem; }
.filters fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 0.4rem 0.75rem; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
.filters legend { color: var(--muted); font-size: 0.85em; padding: 0 0.25rem; }
.checks { display: flex; flex-wrap: wrap; gap: 0.25rem 0.9rem; }

.pager { display: flex; gap: 1rem; align-items: center; justify-content: center; margin-top: 1rem; }

dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  max-width: min(520px, calc(100vw - 2rem));
  padding: 1.25rem;
}
dialog::backdrop { background: rgb(0 0 0 / 0.45); }

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; gap: 0 0; }
  .facts dd { margin-bottom: 0.4rem; }
  .group-head .line { float: none; }
}