/* RadioCheck — Minimalist stylesheet */

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

:root {
  --bg:           #F9F9F7;
  --surface:      #FFFFFF;
  --border:       #E5E5E3;
  --text:         #1A1A1A;
  --text-muted:   #6B7280;
  --text-light:   #9CA3AF;
  --accent:       #1A1A1A;

  --true:         #2D7D46;
  --true-bg:      #F0FBF4;
  --false:        #C0392B;
  --false-bg:     #FEF2F2;
  --misleading:   #B45309;
  --misleading-bg:#FFFBEB;
  --unverifiable: #4B5563;
  --unverifiable-bg:#F3F4F6;
  --errored:      #9CA3AF;
  --errored-bg:   #F9FAFB;

  --radius:       6px;
  --shadow:       0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
}

html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ─────────────────────────────────────────────── */
header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
header .container {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.site-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.site-name:hover { color: var(--text); }
.site-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Page sections ──────────────────────────────────────── */
main { padding: 2.5rem 0 4rem; }

h1.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* ── Session cards (index) ──────────────────────────────── */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.session-card:hover {
  box-shadow: var(--shadow);
  border-color: #D1D5DB;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.card-show { font-weight: 600; font-size: 0.9375rem; }
.card-date { font-size: 0.8125rem; color: var(--text-muted); white-space: nowrap; }

.verdict-bar {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  gap: 1px;
  margin-bottom: 0.75rem;
}
.verdict-bar-segment { height: 100%; }
.vb-true        { background: var(--true); }
.vb-false       { background: var(--false); }
.vb-misleading  { background: var(--misleading); }
.vb-unverifiable{ background: var(--unverifiable); }

.card-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.stat {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.stat strong { color: var(--text); }

/* ── Session report page ────────────────────────────────── */
.session-header {
  margin-bottom: 2rem;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 1.25rem;
}
.back-link:hover { color: var(--text); }

.session-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
}
.meta-item {}
.meta-label { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
              letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.2rem; }
.meta-value { font-size: 0.9375rem; font-weight: 600; }

/* ── Verdict summary ────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}
@media (max-width: 520px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
}
.summary-box {
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  text-align: center;
}
.summary-count { font-size: 1.625rem; font-weight: 700; line-height: 1; }
.summary-label { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
                 letter-spacing: 0.06em; margin-top: 0.25rem; }

.summary-box.v-true        { background: var(--true-bg); }
.summary-box.v-true .summary-count  { color: var(--true); }
.summary-box.v-true .summary-label  { color: var(--true); }
.summary-box.v-false       { background: var(--false-bg); }
.summary-box.v-false .summary-count { color: var(--false); }
.summary-box.v-false .summary-label { color: var(--false); }
.summary-box.v-misleading  { background: var(--misleading-bg); }
.summary-box.v-misleading .summary-count { color: var(--misleading); }
.summary-box.v-misleading .summary-label { color: var(--misleading); }
.summary-box.v-unverifiable{ background: var(--unverifiable-bg); }
.summary-box.v-unverifiable .summary-count { color: var(--unverifiable); }
.summary-box.v-unverifiable .summary-label { color: var(--unverifiable); }

/* ── Claim cards ────────────────────────────────────────── */
h2.claims-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6875rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.claims-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.claim-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.claim-card-inner { padding: 1.25rem 1.5rem; }

.claim-top {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}
.verdict-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}
.vb-TRUE         { background: var(--true-bg);         color: var(--true); }
.vb-FALSE        { background: var(--false-bg);        color: var(--false); }
.vb-MISLEADING   { background: var(--misleading-bg);   color: var(--misleading); }
.vb-UNVERIFIABLE { background: var(--unverifiable-bg); color: var(--unverifiable); }
.vb-ERRORED      { background: var(--errored-bg);      color: var(--errored); }

.claim-text {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
}

.claim-quote {
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-left: 2px solid var(--border);
  padding-left: 0.75rem;
  margin-bottom: 0.875rem;
  font-style: italic;
  line-height: 1.5;
}

.claim-explanation {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 0.875rem;
}

/* Sources collapsible */
.sources-toggle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}
.sources-toggle:hover { color: var(--text); }
.sources-toggle .chevron { transition: transform 0.15s; }
.sources-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.sources-list {
  margin-top: 0.625rem;
  display: none;
  flex-direction: column;
  gap: 0.375rem;
}
.sources-list.open { display: flex; }
.source-item {
  font-size: 0.8125rem;
}
.source-item a {
  color: #2563EB;
  text-decoration: none;
  word-break: break-word;
}
.source-item a:hover { text-decoration: underline; }

/* ── Show segment topics ────────────────────────────────── */
.topics-section { margin-bottom: 2rem; }

.topics-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.topic-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
}

.topic-header {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  margin-bottom: 0.25rem;
}

.topic-title {
  font-size: 0.9375rem;
  font-weight: 600;
}

.topic-time {
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
}

.topic-summary {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Claim timestamp ────────────────────────────────────── */
.claim-timestamp {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 3px;
  align-self: flex-start;
}

/* ── Footer ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: var(--text-light);
  text-align: center;
}

/* ── Caveat banner ──────────────────────────────────────── */
.caveat {
  background: var(--unverifiable-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.5;
}

/* ── Empty state ────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .card-header { flex-direction: column; gap: 0.25rem; }
  .session-meta { grid-template-columns: repeat(2, 1fr); }
}