/* ==========================================================================
   Russia–Ukraine War Research Monitor — shared stylesheet
   Academic / think-tank visual style
   ========================================================================== */

:root {
  --color-bg: #f7f4ee;
  --color-bg-alt: #efe9dd;
  --color-surface: #ffffff;
  --color-text: #262220;
  --color-text-muted: #5c554c;
  --color-border: #ddd5c4;
  --color-accent: #7a1f2b;      /* muted maroon */
  --color-accent-dark: #571620;
  --color-navy: #1f3350;        /* muted navy for secondary accents */
  --color-tag-bg: #eee3d3;
  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--color-text); }

a { color: var(--color-accent); }
a:hover { color: var(--color-accent-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Masthead / Nav ---------- */

.masthead {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
}

.masthead-top {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 22px 24px 14px;
}

.masthead-kicker {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 6px;
}

.masthead-title {
  font-size: 1.9rem;
  margin: 0 0 4px;
}

.masthead-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

nav.site-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

nav.site-nav ul {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

nav.site-nav a {
  display: inline-block;
  padding: 12px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
}

nav.site-nav a:hover {
  color: var(--color-accent);
}

nav.site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- Layout blocks ---------- */

main { padding: 40px 0 64px; }

.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.page-header .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-header p.lede {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 760px;
  margin-bottom: 0;
}

.section-block { margin-bottom: 48px; }

/* ---------- Notice / disclaimer banners ---------- */

.notice {
  background: var(--color-tag-bg);
  border-left: 4px solid var(--color-accent);
  padding: 12px 18px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  border-radius: 2px;
}

.notice strong { color: var(--color-text); }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.card h3 { margin-bottom: 8px; }

.card p { color: var(--color-text-muted); font-size: 0.92rem; flex-grow: 1; }

.card .card-link {
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

/* ---------- Tags / badges ---------- */

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-navy);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  margin-right: 6px;
}

.tag.accent { background: var(--color-accent); color: #fff; }

/* ---------- Region tabs (daily news) ---------- */

.region-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.region-tabs button {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
}

.region-tabs button:hover { border-color: var(--color-accent); color: var(--color-accent); }

.region-tabs button.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.region-group { margin-bottom: 40px; }
.region-group h2 { display: flex; align-items: center; gap: 10px; }

.news-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-navy);
  padding: 16px 18px;
  margin-bottom: 12px;
  border-radius: 2px;
}

.news-item .source-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.news-item .source-line .source-name { font-weight: 700; color: var(--color-navy); }

.news-item h4 { margin-bottom: 6px; font-size: 1.02rem; }

.news-item p { margin-bottom: 0; font-size: 0.9rem; }

.news-item .read-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}

.tag.live {
  background: #3f6b4f;
  color: #fff;
}

.more-headlines {
  list-style: none;
  margin: 10px 0 0;
  padding: 10px 0 0;
  border-top: 1px dashed var(--color-border);
}

.more-headlines li { margin-bottom: 4px; }

.more-headlines a {
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--color-text-muted);
}

.more-headlines a:hover { color: var(--color-accent); }

#feed-status {
  display: block;
  margin-top: 8px;
}

.placeholder-text { font-style: italic; color: #918a7d; }

/* ---------- Tables ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-bg-alt);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

/* ---------- Bar chart (CSS-only, placeholder viz) ---------- */

.bar-chart { margin: 18px 0; }

.bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 60px;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.bar-track {
  background: var(--color-bg-alt);
  border-radius: 3px;
  height: 18px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px 0 0 3px;
}

.bar-fill.navy { background: var(--color-navy); }

/* ---------- Poll / org sections ---------- */

.org-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 24px;
}

.org-block .org-name { font-size: 1.2rem; margin-bottom: 2px; }
.org-block .org-meta { font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: 16px; }

/* ---------- Analysis level blocks (geopolitical page) ---------- */

.level-block {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.level-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ---------- Footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 28px 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

footer.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .masthead-title { font-size: 1.5rem; }
  .level-block { grid-template-columns: 1fr; }
  .level-number { margin-bottom: 4px; }
  .bar-row { grid-template-columns: 110px 1fr 44px; }
}