:root {
  --teal: #0b8588;
  --dark: #123c40;
  --muted: #516c6f;
  --pale: #eaf5f3;
  --line: #cee2df;
  --bg: #fbfdfc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  color: var(--dark);
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a { color: var(--teal); }

.portal-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 5vw;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.portal-brand {
  color: var(--teal);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.4px;
}

.portal-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.portal-actions form { margin: 0; }

.wrap {
  width: min(720px, 90%);
  margin: 48px auto;
}

.hero, .card, .panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--teal);
  font-weight: 700;
  margin: 0 0 10px;
}

h1 { margin: 0 0 12px; font-size: 32px; letter-spacing: -0.6px; }
h2 { margin: 0 0 12px; font-size: 20px; }
p { color: var(--muted); }

label {
  display: block;
  font-weight: 700;
  font-size: 14px;
  margin: 16px 0 6px;
}

.hint { display: block; font-weight: 400; color: var(--muted); font-size: 13px; margin-top: 4px; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

textarea { min-height: 110px; resize: vertical; }

button, .btn {
  appearance: none;
  border: 0;
  background: var(--teal);
  color: #fff;
  font: inherit;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.secondary, .btn.secondary {
  background: #fff;
  color: var(--dark);
  border: 1px solid var(--line);
}

.error {
  background: #fff4f0;
  color: #8a2b13;
  border: 1px solid #f0cbbf;
  border-radius: 10px;
  padding: 10px 12px;
}

.flash {
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 16px;
}

.quiet { color: var(--muted); font-size: 14px; }
.footer-link { display: inline-block; margin-top: 24px; color: var(--muted); font-size: 13px; }

.comments {
  width: min(860px, 90%);
  margin: 32px auto 64px;
}

.comment {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.comment-name { font-weight: 700; }
.comment-meta { color: var(--muted); font-size: 13px; margin-left: 8px; }

.owner-grid {
  width: min(1100px, 92%);
  margin: 32px auto 64px;
  display: grid;
  gap: 24px;
}

.child-links { display: flex; gap: 10px; flex-wrap: wrap; }
.child-links a { font-size: 14px; }

.topic-shell { background: var(--bg); }

@media (max-width: 700px) {
  .portal-bar {
    padding: 10px 4vw;
    flex-wrap: wrap;
    align-items: center;
  }
  .portal-actions {
    width: 100%;
    justify-content: space-between;
  }
  .child-links { width: 100%; }
  .wrap { margin: 24px auto; }
  h1 { font-size: 26px; }
  .hero, .card, .panel { padding: 22px; }
}