/* Price Monitor.
   Same design language as the SEO Monitor: one surface, no boxes. Typography,
   whitespace and hairline rules carry the structure; colour appears only in
   numbers that matter. Tabular numerals wherever figures align. */

:root {
  --ink: #1a1a18;
  --grey: #6e6e69;
  --faint: #a3a39c;
  --hairline: #e7e5df;
  --rule: #1a1a18;
  --bg: #fbfaf7;
  --panel: #f3f1ea;
  --accent: #14655c;
  --accent-deep: #0e4a43;
  --accent-soft: #e6efec;
  --brand: #cf3a2d;
  --up: #2f7d4f;      /* good for us */
  --down: #b0432f;    /* needs attention */
  --amber: #9a6b1f;
  --amber-soft: #f6ecd9;
  --good-soft: #eaf3ee;
  --bad-soft: #f7e9e6;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "tnum";
}

/* --- Header ----------------------------------------------------------- */

.topbar { border-bottom: 1px solid var(--hairline); box-shadow: 0 2px 8px rgba(20, 20, 18, 0.05); background: #fff; }

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px 28px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo { height: 26px; width: auto; display: block; }
.wordmark {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--accent);
  padding-left: 12px;
  border-left: 1px solid var(--hairline);
}

.topbar nav { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline; }
.topbar nav a {
  color: var(--grey);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.topbar nav a:hover { color: var(--accent); }
.topbar nav a.active { color: var(--accent); font-weight: 600; border-bottom-color: var(--accent); }
.topbar nav a.quiet { color: var(--faint); }

.logout-form { display: inline-flex; margin: 0; }
.logout-btn {
  font: inherit; font-size: 13px; color: var(--faint);
  background: none; border: 0; padding: 0 0 2px; cursor: pointer;
}
.logout-btn:hover { color: var(--down); }

/* --- Page shell --------------------------------------------------------- */

main { max-width: 1100px; margin: 0 auto; padding: 28px 32px 64px; }
.page--wide { max-width: none; }

h1 { font-size: 22px; font-weight: 650; margin: 10px 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 15px; font-weight: 650; margin: 34px 0 10px; }
.lede { color: var(--grey); max-width: 72ch; margin: 0 0 18px; }
.lede strong { color: var(--ink); }
.crumbs { color: var(--faint); font-size: 12.5px; margin: 0; }
.crumbs a { color: var(--grey); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.muted { color: var(--faint); }
.nowrap { white-space: nowrap; }
a { color: var(--accent); }
a:hover { color: var(--accent-deep); }
.note-flag { display: block; margin-top: 4px; color: var(--amber); }
.notice {
  background: var(--accent-soft); color: var(--accent-deep);
  padding: 8px 12px; border-left: 3px solid var(--accent);
}

/* --- KPI band ------------------------------------------------------------ */

.kpi-band {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--hairline);
  margin: 18px 0 6px;
}
.kpi { padding: 14px 28px 14px 0; margin-right: 28px; }
.kpi-value { display: block; font-size: 26px; font-weight: 650; letter-spacing: -0.02em; }
.kpi-label { display: block; font-size: 12px; color: var(--grey); margin-top: 2px; }
.kpi-good { color: var(--up); }
.kpi-bad { color: var(--down); }

/* --- Tables --------------------------------------------------------------- */

table.data { border-collapse: collapse; width: 100%; margin: 6px 0 4px; }
table.data th, table.data td {
  text-align: left; padding: 8px 14px 8px 0;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
table.data thead th {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--grey); font-weight: 600; border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
table.data th.num, table.data td.num { text-align: right; }
table.data tbody tr:hover { background: var(--accent-soft); }
.table-note { color: var(--faint); font-size: 12.5px; margin: 6px 0 0; max-width: 78ch; }
.table-scroll { overflow-x: auto; }
.result-count { color: var(--grey); margin: 12px 0 2px; }

.spec { display: block; color: var(--grey); font-size: 12.5px; }
.basis { color: var(--faint); font-size: 12px; }
.reason { color: var(--grey); font-size: 13px; max-width: 46ch; }

.delta { display: block; font-size: 12px; }
.delta-good { color: var(--up); }
.delta-bad { color: var(--down); font-weight: 600; }
.us-price { font-weight: 650; }
.cell-bad { background: var(--bad-soft); }

/* Sortable headers (progressive enhancement; app.js adds the buttons). */
table.sortable thead th[data-sortable] { cursor: pointer; user-select: none; }
table.sortable thead th[data-sortable]:hover { color: var(--accent); }
table.sortable thead th .sort-arrow { font-size: 10px; margin-left: 4px; color: var(--accent); }

/* --- Chips ---------------------------------------------------------------- */

.chip {
  display: inline-block; padding: 1px 8px 2px; font-size: 12px;
  border-radius: 999px; white-space: nowrap;
  background: var(--panel); color: var(--grey);
}
.chip--current { background: var(--good-soft); color: var(--up); }
.chip--aging { background: var(--amber-soft); color: var(--amber); }
.chip--stale, .chip--missing { background: var(--bad-soft); color: var(--down); }

.chip--sev-critical, .chip--sev-high { background: var(--bad-soft); color: var(--down); font-weight: 600; }
.chip--sev-medium { background: var(--amber-soft); color: var(--amber); }
.chip--sev-low, .chip--sev-info { background: var(--panel); color: var(--grey); }

.chip--run-completed { background: var(--good-soft); color: var(--up); }
.chip--run-running { background: var(--accent-soft); color: var(--accent-deep); }
.chip--run-failed, .chip--run-cancelled { background: var(--bad-soft); color: var(--down); }

.chip--match-accepted { background: var(--good-soft); color: var(--up); }
.chip--match-rejected { background: var(--panel); color: var(--grey); }
.chip--match-unsure { background: var(--amber-soft); color: var(--amber); }

/* --- Filters ---------------------------------------------------------------- */

.filters {
  display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: flex-end;
  padding: 12px 0; border-bottom: 1px solid var(--hairline); margin-bottom: 4px;
}
.filters label { font-size: 12px; color: var(--grey); display: flex; flex-direction: column; gap: 4px; }
.filters select, .filters input {
  font: inherit; font-size: 13.5px; color: var(--ink);
  border: 1px solid var(--hairline); background: #fff;
  padding: 6px 8px; min-width: 160px;
}
.filters button {
  font: inherit; font-size: 13.5px; padding: 7px 16px;
  background: var(--ink); color: var(--bg); border: 0; cursor: pointer;
}
.filters button:hover { background: #000; }
.clear-filters { font-size: 13px; align-self: center; }

/* --- Charts ---------------------------------------------------------------- */

.chart-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; margin: 12px 0; }
.chart-card { margin: 0; }
.chart-card figcaption { font-size: 12.5px; color: var(--grey); margin-top: 4px; }
.history-chart { width: 100%; height: auto; display: block; background: #fff; border: 1px solid var(--hairline); }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart-dot { fill: var(--accent); }
.chart-dot--last { fill: var(--brand); }
.chart-grid { stroke: var(--hairline); stroke-width: 1; }
line.chart-grid { stroke: var(--hairline); }
.chart-axis { font-size: 10px; fill: var(--faint); }

/* --- Admin ---------------------------------------------------------------- */

.action-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; margin: 14px 0; }
.action-row form { margin: 0; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.action-row button {
  font: inherit; font-size: 13.5px; padding: 8px 16px;
  background: var(--ink); color: var(--bg); border: 0; cursor: pointer;
}
.action-row button:hover { background: #000; }
.action-hint { font-size: 12px; color: var(--faint); max-width: 34ch; }
.lock-form { margin-top: 36px; }
.unlock-form { max-width: 300px; }
.unlock-form label { display: block; font-size: 12.5px; color: var(--grey); margin: 0 0 18px; }
.unlock-form input {
  width: 100%; margin-top: 8px; padding: 9px 0;
  border: 0; border-bottom: 1px solid var(--rule); border-radius: 0;
  font-size: 15px; color: var(--ink); background: transparent;
}
.unlock-form input:focus { outline: none; border-bottom-width: 2px; }
.unlock-form button {
  margin-top: 10px; padding: 10px 28px;
  background: var(--ink); color: var(--bg); border: 0;
  font-size: 14px; font-weight: 600; cursor: pointer;
}

/* --- Login ---------------------------------------------------------------- */

.login-page { display: flex; min-height: 100vh; align-items: flex-start; justify-content: center; background: var(--bg); }
.login-box { width: 300px; padding-top: 18vh; }
.login-box .wordmark { border-left: 0; padding-left: 0; display: block; margin-bottom: 26px; }
.login-box form { margin: 0; }
.login-box label { display: block; font-size: 12.5px; color: var(--grey); margin: 0 0 18px; }
.login-box input {
  width: 100%; margin-top: 8px; padding: 9px 0;
  border: 0; border-bottom: 1px solid var(--rule); border-radius: 0;
  font-size: 15px; color: var(--ink); background: transparent;
}
.login-box input:focus { outline: none; border-bottom-width: 2px; }
.login-box button {
  margin-top: 10px; padding: 10px 28px;
  background: var(--ink); color: var(--bg); border: 0;
  font-size: 14px; font-weight: 600; cursor: pointer;
}
.login-box button:hover { background: #000; }
.form-error { color: var(--down); font-size: 13px; }

/* --- Footer ---------------------------------------------------------------- */

.sitefoot { border-top: 1px solid var(--hairline); margin-top: 40px; }
.sitefoot-inner {
  max-width: 1100px; margin: 0 auto; padding: 16px 32px;
  color: var(--faint); font-size: 12.5px;
  display: flex; gap: 10px; flex-wrap: wrap;
}

@media (max-width: 720px) {
  main { padding: 20px 18px 48px; }
  .topbar-inner { padding: 12px 18px; }
  .kpi { padding-right: 18px; margin-right: 12px; }
  .kpi-value { font-size: 21px; }
}