/* PURSUE Research UI — shared styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d1117;
  --bg-card:     #161b22;
  --bg-hover:    #1c2333;
  --border:      #2d3748;
  --border-faint:#1e2736;
  --text:        #e2e8f0;
  --text-muted:  #8b98ab;
  --accent:      #d97706;
  --accent-dim:  rgba(217, 119, 6, 0.15);

  /* tag type colors — unchanged */
  --tag-entity:     #6366f1;
  --tag-location:   #10b981;
  --tag-date:       #f59e0b;
  --tag-agency:     #3b82f6;
  --tag-phenomenon: #ec4899;
  --tag-sensor:     #8b5cf6;
  --tag-document:   #7c8fa6;
  --tag-claim:      #ef4444;
  --tag-name:       #fb923c;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Mono', monospace;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Navigation ──────────────────────────────────────────────────────────── */

.nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  padding-left: 12px;
  border-left: 1px solid var(--border);
  text-transform: uppercase;
}
.nav a { color: var(--text-muted); text-decoration: none; font-size: 13px; }
.nav a:hover { color: var(--text); }

/* ── Layout ──────────────────────────────────────────────────────────────── */

.container { max-width: 1280px; margin: 0 auto; padding: 24px; }

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--text);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 20px;
}
@media (max-width: 768px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* ── Cards ───────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: background 0.1s ease;
}
.card:hover { background: var(--bg-hover); cursor: pointer; }
.card-title { font-weight: 600; margin-bottom: 5px; font-size: 13px; }
.card-meta {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── Stats bar ───────────────────────────────────────────────────────────── */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
  text-align: center;
}
.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: var(--font-mono);
}
a.stat-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, background 0.15s;
}
a.stat-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

/* ── Section headers ─────────────────────────────────────────────────────── */

.section-header {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 20px 0 10px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding-left: 8px;
  border-left: 2px solid var(--accent);
}

/* ── Tags ────────────────────────────────────────────────────────────────── */

.tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  margin: 2px;
  cursor: pointer;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  opacity: 0.88;
}
.tag:hover { opacity: 1; }
.tag-entity     { background: var(--tag-entity); }
.tag-location   { background: var(--tag-location); }
.tag-date       { background: var(--tag-date); color: #000; }
.tag-agency     { background: var(--tag-agency); }
.tag-phenomenon { background: var(--tag-phenomenon); }
.tag-sensor     { background: var(--tag-sensor); }
.tag-document   { background: var(--tag-document); }
.tag-claim      { background: var(--tag-claim); }
.tag-name       { background: var(--tag-name); }

/* ── Thread type badges ──────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-chronological  { color: #f59e0b; }
.badge-corroboration  { color: #10b981; }
.badge-contradiction  { color: #ef4444; }
.badge-entity         { color: #6366f1; }
.badge-escalation     { color: #8b5cf6; }
.badge-person         { color: #f97316; }
.badge-ocr            { background: rgba(180, 100, 20, 0.15); color: #b46414; border-color: rgba(180, 100, 20, 0.3); }

/* ── Tables ──────────────────────────────────────────────────────────────── */

.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-faint);
  font-size: 13px;
}
.data-table tr:hover td { background: var(--bg-hover); cursor: pointer; }
.data-table tr:hover .tag { opacity: 1; }

/* ── Agency badges ───────────────────────────────────────────────────────── */

.agency {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 600;
  background: var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ── Two-panel layout (document reader) ──────────────────────────────────── */

.two-panel {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 16px;
  height: calc(100vh - 100px);
}
.panel-left  { overflow: hidden; border-radius: 4px; border: 1px solid var(--border); }
.panel-right { overflow-y: auto; }

/* ── Loading + error states ──────────────────────────────────────────────── */

.loading {
  color: var(--text-muted);
  padding: 40px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.error {
  color: #f87171;
  padding: 14px 16px;
  background: #1a0f0f;
  border-radius: 4px;
  border-left: 2px solid #ef4444;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ── Person role badges ──────────────────────────────────────────────────── */

.role {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 2px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.role-author    { background: #1d4ed8; color: #fff; }
.role-subject   { background: #7c3aed; color: #fff; }
.role-witness   { background: #065f46; color: #fff; }
.role-signatory { background: #92400e; color: #fff; }
.role-mentioned { background: #374151; color: #9ca3af; }

/* ── Thread chain ────────────────────────────────────────────────────────── */

.thread-chain { position: relative; }
.thread-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.1s ease;
}
.thread-step:hover { background: var(--bg-hover); }
.thread-connector {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  margin: -2px 0;
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 2px;
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  margin-right: 8px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.link-explanation {
  font-size: 12px;
  color: var(--text-muted);
  border-left: 2px solid var(--border);
  padding-left: 12px;
  margin-top: 8px;
  font-style: italic;
}

/* ── OCR warning banner ──────────────────────────────────────────────────── */

.ocr-warning {
  background: rgba(180, 100, 20, 0.08);
  border: 1px solid rgba(180, 100, 20, 0.25);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 12px;
  font-family: var(--font-mono);
  padding: 10px 14px;
  margin-bottom: 16px;
  line-height: 1.5;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .two-panel    { grid-template-columns: 1fr; height: auto; }
  .stats-bar    { grid-template-columns: repeat(2, 1fr); }
  .nav-subtitle { display: none; }
}

/* Admin panel */
.js-hidden { display: none; }
.admin-error { color: #dc2626; }
.admin-section-mt { margin-top: 32px; }
.admin-invite-row { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.admin-select { padding: 6px 10px; border: 1px solid #ccc; border-radius: 4px; }
.admin-btn-primary { padding: 6px 16px; background: #2563eb; color: #fff; border: none; border-radius: 4px; cursor: pointer; }
.admin-invite-result { margin-top: 12px; font-family: 'JetBrains Mono', monospace; font-size: 13px; word-break: break-all; }
.admin-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.admin-table-head-row { border-bottom: 1px solid #e2e8f0; }
.admin-table-row { border-bottom: 1px solid #f1f5f9; }
.admin-th { text-align: left; padding: 6px 8px; font-size: 13px; }
.admin-td { padding: 6px 8px; font-size: 13px; }
.admin-td-muted { color: #64748b; }
.admin-role-badge { padding: 2px 6px; border-radius: 3px; }
.admin-role-admin { background: #fef3c7; }
.admin-role-contributor { background: #eff6ff; }
.admin-btn-remove { font-size: 12px; color: #dc2626; background: none; border: none; cursor: pointer; }
.admin-btn-copy { margin-top: 6px; font-size: 12px; padding: 3px 10px; cursor: pointer; }
.admin-user-info { color: #64748b; margin-bottom: 24px; }

/* ── Phase 22: UX Overhaul — new component classes ──────────────────────── */

/* Site header (brand + stats) */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px 0 24px;
}
.site-header > div {
  text-align: center;
}

.brand-name {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
  font-family: var(--font-mono);
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 3px;
}

.header-stats {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.9;
  font-family: var(--font-mono);
  margin-top: 8px;
}

/* Tab bar */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  gap: 0;
}

.tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  color: var(--text-muted);
  padding: 10px 22px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

/* Search bar */
.search-bar {
  display: block;
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-family: Inter, sans-serif;
  border-radius: 6px;
  margin-bottom: 14px;
  box-sizing: border-box;
}
.search-bar:focus {
  border-color: var(--accent);
  outline: none;
}

/* Filter chips */
.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.chip {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-mono);
}
.chip:hover {
  border-color: var(--text-muted);
  color: var(--text);
}
.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f172a;
  font-weight: 700;
}

/* Document cards */
.doc-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s;
}
.doc-card:hover { border-color: var(--accent); }

.doc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.doc-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.4;
}

.doc-card-location {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.doc-card-location::before { content: "📍 "; }

.doc-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-card-file {
  font-size: 11px;
  color: var(--accent);
  font-family: var(--font-mono);
}

.agency-badge {
  display: inline-block;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--font-mono);
}

.result-count {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.tab-panel.hidden { display: none !important; }

/* ── Utility classes ─────────────────────────────────────────────────────── */

.page-desc {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  align-items: center;
}
.toolbar input,
.toolbar select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.btn-page {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
}
.btn-page:hover { border-color: var(--accent); color: var(--text); }
.btn-page:disabled { color: var(--text-muted); cursor: default; border-color: var(--border); }
.btn-page:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }