/* Factuality Evaluator — GitHub Pages (Streamlit-style light theme) */

:root {
  --bg: #ffffff;
  --bg-card: #f0f2f6;
  --text: #262730;
  --text-muted: #6b6b7b;
  --accent: #f63366;
  --accent-hover: #ff4b7c;
  --border: #e0e2e6;
  --info-bg: rgba(246, 51, 102, 0.08);
  --info-border: rgba(246, 51, 102, 0.25);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius: 0.5rem;
  --space: 1.5rem;
  --max-width: 720px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

/* Header */
.site-header {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.site-title {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.site-tagline {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 1rem;
}

.cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
}

.cta-button:hover {
  background: var(--accent-hover);
  color: #fff !important;
  transform: translateY(-1px);
}

/* Main content */
main {
  flex: 1;
  padding-bottom: 3rem;
}

.content-section {
  margin-bottom: 2.5rem;
}

.content-section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

.content-section p {
  margin: 0 0 1rem;
}

.content-section p:last-child {
  margin-bottom: 0;
}

.content-section ul {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.content-section li {
  margin-bottom: 0.4rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Expander */
.expander {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}

.expander-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--space);
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.expander-trigger:hover {
  background: rgba(0, 0, 0, 0.04);
}

.expander-icon {
  font-size: 0.7rem;
  opacity: 0.8;
  transition: transform 0.2s;
}

.expander[data-open] .expander-icon {
  transform: rotate(180deg);
}

.expander-content {
  padding: 0 var(--space) 1rem;
  border-top: 1px solid var(--border);
}

.expander-content ul {
  margin: 0.75rem 0;
  padding-left: 1.35rem;
}

.expander-content li {
  margin-bottom: 0.35rem;
}

.expander-content p {
  margin: 0.75rem 0 0;
}

/* Info box */
.info-box {
  margin-top: 1rem;
  padding: 1rem var(--space);
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  border-radius: var(--radius);
}

.info-box p {
  margin: 0;
  font-size: 0.95rem;
}

/* Links list */
.links-list {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 1rem;
}

.links-list li {
  margin-bottom: 0.5rem;
}

.links-list li.hidden {
  display: none;
}

.caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Footer removed — no .site-footer styles needed */