:root {
  --blue: #1d4f91;
  --blue-dark: #173d70;
  --light: #f5f7fb;
  --border: #d8dee9;
  --text: #1f2937;
  --muted: #6b7280;
  --green: #147d3f;
  --warning: #ad5b00;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--light);
  color: var(--text);
}
a { color: var(--blue); }

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}
.brand-logo {
  display: block;
  width: min(210px, 58vw);
  height: auto;
  max-height: 72px;
  object-fit: contain;
}
.site-header nav {
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.narrow { max-width: 520px; margin: 3rem auto; }
.narrow-ish { max-width: 760px; }
.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.channel-list, .member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.thread-row {
  border-top: 1px solid var(--border);
  padding: .8rem 0;
}
.thread-row:first-child { border-top: 0; }
.meta, small { color: var(--muted); }
.eyebrow {
  color: var(--blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 0 0 .25rem;
  font-size: .8rem;
}

.button, button {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: .55rem .8rem;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}
.button:hover, button:hover { background: var(--blue-dark); }
.button.secondary, button.secondary { background: #4b5563; }
.button.warning, button.warning { background: var(--warning); }
.inline { display: inline; }
.inline button { padding: .3rem .55rem; }
.actions {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
}

.messages { margin-bottom: 1rem; }
.message {
  padding: .8rem;
  border-radius: 8px;
  background: #eaf2ff;
  border: 1px solid #bfd6ff;
}
.message.error, .error {
  background: #fff0f0;
  border: 1px solid #ffc9c9;
  color: var(--danger);
  border-radius: 6px;
  padding: .35rem .5rem;
  margin-top: .25rem;
}
.badge {
  display: inline-block;
  background: #e5e7eb;
  border-radius: 999px;
  padding: .25rem .6rem;
  font-size: .8rem;
}
.badge.success { background: #dcfce7; color: var(--green); }
.badge.highlight, .pin-marker { background: #dbeafe; color: var(--blue); }
.badge.warning-badge { background: #fff7ed; color: var(--warning); }
.pin-marker {
  border-radius: 999px;
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  padding: .18rem .5rem;
}
.archived { opacity: .72; }
.reply {
  border-top: 1px solid var(--border);
  padding: 1rem 0;
}
.avatar {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 999px;
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
}
.avatar.small { width: 70px; height: 70px; }

input, textarea, select {
  width: 100%;
  padding: .6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}
input[type="checkbox"] {
  width: auto;
}
label {
  font-weight: 700;
  display: block;
  margin-bottom: .25rem;
}
.form-row { margin-bottom: 1rem; }
.checkbox-row {
  display: flex;
  gap: .5rem;
  align-items: center;
}
.checkbox-row label { margin: 0; }
.stacked-form { margin-top: 1rem; }
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}
.section-heading h2 { margin: 0; }
.announcement-panel {
  border-left: 5px solid var(--blue);
}
.announcement-card {
  border-top: 1px solid var(--border);
  padding: .85rem 0;
}
.announcement-card:first-of-type { border-top: 0; }
.announcement-card h3 { margin: .2rem 0; }
.announcement-card.pinned {
  background: #f8fbff;
  border-radius: 8px;
  padding: .85rem;
}
.announcement-detail .body-copy {
  font-size: 1.05rem;
  line-height: 1.6;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.page-header h1 { margin: 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.stat-card strong {
  display: block;
  font-size: 1.7rem;
  color: var(--blue);
}
.stat-card span { color: var(--muted); }
.admin-area {
  border-top: 1px solid var(--border);
  padding: 1rem 0;
}
.admin-area:first-of-type { border-top: 0; }
.admin-area-header, .admin-category-header, .admin-channel {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
}
.admin-category {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .8rem;
  margin: .8rem 0 0 1rem;
  background: #fbfdff;
}
.admin-category h4, .admin-area h3 { margin-bottom: .25rem; }
.admin-channel-list {
  margin-top: .75rem;
  display: grid;
  gap: .5rem;
}
.admin-channel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .65rem;
}
.admin-channel p { margin: .25rem 0 0; }

@media (max-width: 720px) {
  .grid.two { grid-template-columns: 1fr; }
  .site-header { align-items: flex-start; }
  .admin-category { margin-left: 0; }
}