:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e4e7ec;
  --text: #1a202c;
  --text-muted: #667085;
  --text-faint: #98a2b3;
  --accent: #2451b3;
  --accent-soft: #eaf0fc;
  --accent-softer: #f4f7fd;
  --tag-council: #2451b3;
  --tag-council-bg: #eaf0fc;
  --tag-school: #0d7a5f;
  --tag-school-bg: #e6f4ef;
  --tag-state: #7a3d9c;
  --tag-state-bg: #f3ecf9;
  --radius: 10px;
}

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

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  /* app-style layout: the page itself never scrolls */
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---------- Header ---------- */
header {
  flex: 0 0 auto;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: -0.5px;
}
.brand h1 { font-size: 17px; font-weight: 650; }
.brand .subtitle { font-size: 12.5px; color: var(--text-muted); font-weight: 400; }
.header-meta { font-size: 13px; color: var(--text-muted); text-align: center; }
.header-meta strong { color: var(--text); font-weight: 600; }
.mobile-header-date { display: none; }

/* ---------- Layout ---------- */
.layout {
  flex: 1 1 auto;
  min-height: 0;          /* lets children scroll instead of stretching */
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);  /* row is capped at the available height */
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px;
  overflow: hidden;
  width: 100%;
}
aside {
  min-height: 0;
  overflow-y: auto;       /* side column scrolls independently if it overflows */
}

/* Panels live in light DOM; their inner grids render in shadow roots */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.calendar-panel { padding: 16px; }

/* compact date bar + category dropdown: mobile-only companions to the calendar */
.date-nav-panel { display: none; padding: 10px 12px; }
.cat-select-panel { display: none; padding: 10px 12px; }

/* ---------- Right column: feed ---------- */
section.feed {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
/* the feed content area — cards are injected here by index.js */
.feed-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0 2px 16px;
}
blurb-card { display: block; }
/* must live in the outer document: outer rules beat :host rules,
   so a shadow-only :host([hidden]) rule would be ignored here */
blurb-card[hidden] { display: none; }

.empty-state {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.feed-end {
  text-align: center;
  color: var(--text-faint);
  font-size: 12.5px;
  padding: 10px 0 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  /* back to normal document flow / page scrolling */
  html, body { height: auto; overflow: visible; }
  .layout { grid-template-columns: 1fr; overflow: visible; padding: 16px 16px 48px; }
  section.feed { display: block; }
  .feed-scroll { overflow: visible; padding-bottom: 48px; }
  aside { overflow: visible; }
  header { padding: 12px 16px; }
  .header-meta { text-align: right; }
  .desktop-date-nav { display: none; }
  .mobile-header-date { display: block; }
  /* swap the calendar for the compact date bar + category dropdown */
  .calendar-panel { display: none; }
  .date-nav-panel { display: block; }
  .cat-select-panel { display: block; margin-top: 12px; }
}