:root {
  --bg: #fafafa;
  --fg: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --card: #ffffff;
  --shadow: 0 8px 24px rgba(0,0,0,0.06);
  --radius: 14px;
  --warn: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.hero {
  max-width: 980px;
  margin: 3rem auto 1.25rem;
  padding: 0 1rem;
  text-align: center;
}

.hero h1 { margin: 0 0 .5rem; font-size: 2.25rem; }
.tagline { color: var(--muted); margin: 0 auto; max-width: 50rem; }

.wrap {
  max-width: 980px;
  margin: 0 auto 2rem;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 900px) {
  .wrap { grid-template-columns: 1.15fr 0.85fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.card-header { margin-bottom: 0.75rem; }
.card-title { margin: 0; font-size: 1.1rem; }
.card-subtitle { margin: .25rem 0 0; color: var(--muted); font-size: 0.95rem; }

.toolbar {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  align-items: center;
  margin: .5rem 0 .75rem;
}

.toolbar .spacer { flex: 1 1 auto; }

.section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .75rem;
  margin: .75rem 0;
}

.section-collapsed .section-body { display: none; }
.section-collapsed .section-toggle::after { content: " (collapsed)"; color: var(--muted); font-weight: 400; }

.section-top {
  display: flex;
  gap: .5rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .5rem;
}

.section-top-left {
  display: flex;
  gap: .5rem;
  align-items: center;
  width: 100%;
}

.section-toggle {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: .25rem .25rem;
  font-weight: 700;
  color: var(--fg);
  text-align: left;
}

.section-title-input {
  width: 100%;
  max-width: 520px;
  padding: .55rem .6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
}

.small-btn {
  padding: .45rem .6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  color: var(--fg);
}

.small-btn:hover { border-color: #cfd5df; }

.link-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  gap: .5rem;
  margin: .5rem 0;
}

.link-row input {
  padding: .55rem .6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  width: 100%;
}

.actions {
  display: flex;
  gap: .5rem;
  margin-top: 0.75rem;
}

button {
  padding: .6rem .75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  color: var(--fg);
}

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

button:hover { border-color: #cfd5df; }
button.primary:hover { filter: brightness(0.97); }

.sharebox { margin-top: 1rem; }
.sharebox label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: .35rem; }

.share-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .5rem;
}

.meta-row{
  display:flex;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .35rem;
  flex-wrap: wrap;
}

#shareUrl {
  padding: .65rem .7rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  font-size: 0.95rem;
}

.hint { color: var(--muted); font-size: 0.9rem; margin: .5rem 0 0; }
#warn { color: var(--warn); }

/* Preview */
.preview-section { margin: .75rem 0 0; }
.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.preview-toggle {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: .25rem 0;
  font-weight: 700;
  color: var(--fg);
  text-align: left;
}
.preview-collapsed .preview-body { display: none; }
.preview-collapsed .preview-toggle::after { content: " (collapsed)"; color: var(--muted); font-weight: 400; }

#board ul { margin: .25rem 0 0 1.1rem; }
#board a { color: var(--accent); text-decoration: none; }
#board a:hover { text-decoration: underline; }

.empty-state {
  border: 1px dashed var(--border);
  padding: 1.25rem;
  border-radius: 12px;
  color: var(--muted);
}

/* Footer */
.site-footer {
  max-width: 980px;
  margin: 2rem auto 2rem;
  padding: 0 1rem;
  color: var(--muted);
}

.footer-links a {
  margin-right: 1rem;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover { text-decoration: underline; }

.footer-divider {
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

.wck-cta a {
  color: var(--accent);
  text-decoration: none;
}
.wck-cta a:hover { text-decoration: underline; }

.wck-note { font-size: 0.875rem; margin-top: .25rem; }


/* Visual affordance: chevrons */
.section-toggle::before,
.preview-toggle::before {
  content: "▸ ";
  color: var(--muted);
  font-weight: 700;
}

.section:not(.section-collapsed) .section-toggle::before,
.preview-section:not(.preview-collapsed) .preview-toggle::before {
  content: "▾ ";
}

/* Subtle contact link on brand */
.brand-link { color: inherit; text-decoration: none; }
.brand-link:hover { text-decoration: underline; }

.site-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  text-align: center;
  color: var(--muted);
}