:root{
  --bg: #F0F4F8;
  --card: #FFFFFF;
  --muted: #6B7280;
  --text: #1F2937;
  --accent: #EF4444;
  --border: #E5E7EB;
  --radius: 12px;
  --light-accent: #F87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 14px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* Header */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.logo .brand {
  font-weight: 800;
  font-size: 18px;
  color: var(--accent);
}
.search {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  background: #F3F4F6;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 999px;
}
.search input {
  border: 0;
  background: transparent;
  outline: 0;
  width: 100%;
}
.kbd {
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 6px;
}
.text-btn {
  border: 0;
  color: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  background: var(--accent);
  transition: all 0.2s;
}
.text-btn:hover {
  opacity: 0.9;
}
.text-btn.cancel {
  background: #A1A1AA;
}
.user-pill {
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
}

/* Layout */
.page {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}
@media (max-width: 900px) {
  .page {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: calc(100vh - 80px);
  padding: 12px;
  position: sticky;
  top: 80px;
  background: transparent;
}

/* Scrollbare topics bovenaan */
.topics-container {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.section-title {
  margin-bottom: 25px;
  font-weight: 600;
  color: var(--muted);
}

.topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.topics li {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  background: #E5E7EB;
  transition: all 0.2s;
  line-height: 1.2;
}
.topics li:hover {
  background: var(--accent);
  color: #fff;
}

/* Sidebar knoppen vast onderaan */
.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg);
  position: sticky;
  bottom: 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.sidebar-actions #newQuestionBtn {
  background: var(--accent);
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  border-radius: 999px;
}

.sidebar-actions .text-btn.secondary {
  background: var(--light-accent);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  border-radius: 999px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  padding: 6px;
  background: #F3F4F6;
  border: 1px solid var(--border);
  border-radius: 8px;
  position: sticky;
  top: 61px;
}
.tab {
  background: transparent;
  border: 0;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}
.tab.active {
  background: var(--accent);
  color: #fff;
}
.pill.soft {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
}

/* Feed */
.feed {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.post {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.post-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}
.community {
  font-weight: 700;
  color: var(--accent);
}
.post-title {
  font-size: 16px;
  font-weight: 600;
  margin: 8px 0;
  color: var(--text);
}
.actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.action {
  padding: 6px 10px;
  border-radius: 999px;
  background: #F3F4F6;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
}
.action:hover {
  background: var(--accent);
  color: #fff;
}
.score-chip {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}
.answers {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--border);
}
.answer {
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text);
}

/* Info content */
.post-content {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}

/* Footer */
.site-links {
  color: var(--muted);
  text-align: center;
  padding: 18px 8px;
}
.site-links a {
  color: var(--muted);
  text-decoration: none;
}
.copy {
  margin-top: 6px;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden {
  display: none;
}
.modal-content {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  width: 90%;
  max-width: 400px;
}
.modal-content h2 {
  margin-top: 0;
  font-size: 18px;
}
.modal-content label {
  display: block;
  margin: 10px 0 4px;
  font-size: 13px;
}
.modal-content input,
.modal-content select,
.modal-content textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 10px;
  font-size: 14px;
}
.modal-content textarea {
  resize: vertical;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
}

/* Utils */
.hidden { display: none; }
.sentinel {
  text-align: center;
  padding: 20px;
  color: var(--muted);
}

.action[disabled] {
  background: #e5e7eb;
  color: #9ca3af;
  cursor: not-allowed;
  opacity: 0.7;
}