:root {
  --accent: #6b7280;
  --bg: #f5f4f0;
  --card: #ffffff;
  --ink: #1c1c1c;
  --muted: #6f6f6f;
  --line: #e3e1da;
  --ok: #059669;
  --warn: #d97706;
  --fail: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--ink);
}

.header {
  background: var(--card);
  border-bottom: 3px solid var(--accent);
  transition: border-color 0.3s;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 20px 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.5px;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-style: italic;
  font-size: 14px;
}

.status-pill {
  font-family: system-ui, sans-serif;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}

.status-pill.ai { border-color: #059669; color: #059669; }
.status-pill.demo { border-color: #d97706; color: #d97706; }

.mode-bar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 20px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mode-chip {
  font-family: system-ui, sans-serif;
  font-size: 14px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  cursor: pointer;
  transition: all 0.15s;
}

.mode-chip:hover { border-color: var(--accent); }

.mode-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.banner {
  max-width: 1100px;
  margin: 14px auto 0;
  padding: 10px 16px;
  font-family: system-ui, sans-serif;
  font-size: 13px;
  background: #fff8e6;
  border: 1px solid #f0d9a0;
  border-radius: 8px;
  color: #7a5b12;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.3s;
  border-top: 3px solid var(--accent);
}

.card:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-meta {
  font-family: system-ui, sans-serif;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.card-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
}

.card-snippet {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #3d3d3d;
}

.card.loading .card-title,
.card.loading .card-snippet { opacity: 0.35; }

.spinner {
  font-family: system-ui, sans-serif;
  font-size: 12px;
  color: var(--accent);
}

.badge {
  font-family: system-ui, sans-serif;
  font-size: 12px;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid;
}

.badge.ok { color: var(--ok); border-color: var(--ok); background: #ecfdf5; }
.badge.warning { color: var(--warn); border-color: var(--warn); background: #fffbeb; }
.badge.fail { color: var(--fail); border-color: var(--fail); background: #fef2f2; }
.badge.error { color: var(--fail); border-color: var(--fail); background: #fef2f2; }

.overlay[hidden] { display: none; }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.55);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 10;
}

.detail {
  position: relative;
  background: var(--card);
  border-radius: 12px;
  max-width: 760px;
  width: 100%;
  padding: 28px 32px;
  border-top: 4px solid var(--accent);
}

.detail-close {
  position: absolute;
  top: 14px;
  right: 14px;
  border: none;
  background: var(--bg);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
}

.detail-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
  padding-right: 40px;
}

.detail-modes .mode-chip { font-size: 13px; padding: 5px 11px; }

.detail-content h2 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.25;
}

.detail-content .detail-meta {
  font-family: system-ui, sans-serif;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 14px;
}

.detail-content .detail-body {
  font-size: 16px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.detail-content a { color: var(--accent); }

.factcheck {
  margin-top: 20px;
  font-family: system-ui, sans-serif;
  font-size: 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--bg);
}

.factcheck h3 {
  margin: 0 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.factcheck ul { margin: 6px 0 0; padding-left: 18px; }
.factcheck li { margin-bottom: 6px; }

.detail-error {
  font-family: system-ui, sans-serif;
  color: var(--fail);
  background: #fef2f2;
  border: 1px solid var(--fail);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
}

.footer {
  max-width: 1100px;
  margin: 10px auto 30px;
  padding: 0 20px;
  font-family: system-ui, sans-serif;
  font-size: 12px;
  color: var(--muted);
}

.empty {
  font-family: system-ui, sans-serif;
  color: var(--muted);
  padding: 40px;
  text-align: center;
  grid-column: 1 / -1;
}