/* =====================================================================
   Design tokens
   Palette: deep ledger navy + warm brass accent, evoking a land-registry
   record book rather than a generic SaaS dashboard.
   ===================================================================== */
:root {
  --navy-950: #0F1B2D;
  --navy-800: #16273F;
  --navy-700: #1D3252;
  --paper:    #F6F4EF;
  --paper-2:  #FFFFFF;
  --ink:      #1B2430;
  --ink-soft: #5B6472;
  --line:     #DEDAD0;
  --brass:    #C9A227;
  --brass-dk: #A5811C;
  --good:     #2E6B4F;
  --bad:      #A23B2E;

  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Arial, sans-serif;
  --font-num:  'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --radius: 3px;
}

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,500;8..60,600&family=IBM+Plex+Mono:wght@500&display=swap');

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

/* =====================================================================
   Login screen
   ===================================================================== */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(201,162,39,0.08), transparent 60%),
    var(--navy-950);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--paper-2);
  border-radius: var(--radius);
  padding: 40px 36px 32px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
}

.login-mark { margin-bottom: 18px; }

.login-card h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 6px;
  color: var(--navy-950);
}

.login-sub {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 14px;
}

.login-card form { display: flex; flex-direction: column; gap: 4px; }

.login-card label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-top: 14px;
  margin-bottom: 6px;
}

.login-card input {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--paper);
  color: var(--ink);
}
.login-card input:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
  background: #fff;
}

.login-card button[type="submit"] {
  margin-top: 22px;
  padding: 12px;
  border: none;
  border-radius: var(--radius);
  background: var(--navy-950);
  color: var(--paper);
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.login-card button[type="submit"]:hover { background: var(--navy-700); }

.login-foot {
  margin: 22px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
}

.notice {
  font-size: 13px;
  padding: 10px 12px;
  border-radius: var(--radius);
  margin: 4px 0 0;
}
.notice-error { background: #FBEAE7; color: var(--bad); border: 1px solid #F0C9C2; }
.notice-warn  { background: #FCF3DC; color: #7A5C10; border: 1px solid #F1DFA5; }

/* =====================================================================
   App shell
   ===================================================================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--navy-950);
  color: var(--paper);
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.2px;
}
.logout-link {
  color: var(--paper);
  opacity: 0.75;
  text-decoration: none;
  font-size: 13.5px;
  border: 1px solid rgba(246,244,239,0.3);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: opacity 0.15s ease, border-color 0.15s ease;
}
.logout-link:hover { opacity: 1; border-color: rgba(246,244,239,0.6); }

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 28px 60px;
}

/* =====================================================================
   Filter card
   ===================================================================== */
.filter-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.filter-card form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  align-items: end;
}

.dataset-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.link-btn {
  border: none;
  background: none;
  color: var(--brass-dk);
  font-size: 12.5px;
  font-weight: 600;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.dataset-checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dataset-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  font-size: 13px;
  background: var(--paper);
  cursor: pointer;
  user-select: none;
}
.dataset-chip input { accent-color: var(--brass-dk); }
.dataset-chip:has(input:checked) {
  background: var(--navy-950);
  color: var(--paper);
  border-color: var(--navy-950);
}

.filter-hint {
  margin: 0;
  font-size: 12px;
  color: var(--ink-soft);
}

.per-dataset-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dataset-result-chip {
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 20px;
  background: #EFEAD9;
  color: var(--navy-950);
  font-family: var(--font-num);
}
.dataset-result-chip.has-error {
  background: #FBEAE7;
  color: var(--bad);
  cursor: help;
}
.field { display: flex; flex-direction: column; }
.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field input, .field select {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--paper);
  color: var(--ink);
  width: 100%;
}
.field input:focus, .field select:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
  background: #fff;
}
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field-pair > div { display: flex; flex-direction: column; }
.field-pair label { font-size: 12px; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }

.field-actions { flex-direction: row; gap: 10px; }
.field-actions button { flex: 1; }

button {
  font-family: inherit;
  cursor: pointer;
}
#search-btn {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius);
  background: var(--brass);
  color: var(--navy-950);
  font-weight: 700;
  font-size: 14px;
  transition: background 0.15s ease;
}
#search-btn:hover { background: var(--brass-dk); }
#search-btn:disabled { background: #E4D9A9; color: #8b8362; cursor: default; }

.btn-secondary {
  padding: 10px 16px;
  border: 1px solid var(--navy-950);
  border-radius: var(--radius);
  background: transparent;
  color: var(--navy-950);
  font-weight: 600;
  font-size: 14px;
}
.btn-secondary:disabled {
  border-color: var(--line);
  color: #A6ADB6;
  cursor: default;
}
.btn-secondary:not(:disabled):hover { background: var(--navy-950); color: var(--paper); }

/* =====================================================================
   Status / summary / table
   ===================================================================== */
.status-area { margin-top: 16px; font-size: 13.5px; color: var(--ink-soft); min-height: 1px; }
.status-area.is-error { color: var(--bad); }

.summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.summary-card {
  background: var(--navy-950);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.summary-label { font-size: 12px; color: rgba(246,244,239,0.65); }
.summary-value {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 500;
  color: var(--brass);
}

.results-card {
  margin-top: 18px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.table-wrap { overflow-x: auto; max-height: 62vh; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  position: sticky;
  top: 0;
  background: var(--navy-950);
  color: var(--paper);
  text-align: left;
  padding: 11px 14px;
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
}
tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  color: var(--ink);
}
tbody tr:hover { background: #FBF9F3; }
.empty-cell {
  padding: 40px 14px !important;
  text-align: center;
  color: var(--ink-soft);
  white-space: normal !important;
}
.extra-cell {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink-soft);
  font-size: 12.5px;
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 980px) {
  .field-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
  .summary-row { grid-template-columns: 1fr; }
  .page { padding: 18px 14px 40px; }
  .topbar { padding: 12px 16px; }
}