/* Setup portal (port 4002) */
.portal-page {
  min-height: 100vh;
  background: #111;
  color: #f5f5f5;
  padding: 2rem 1rem;
}

.portal-card {
  max-width: 520px;
  margin: 0 auto;
  background: #1e1e1e;
  border: 1px solid #333;
  border-radius: 12px;
  padding: 2rem;
}

.portal-wide {
  max-width: 900px;
  margin: 0 auto;
}

.portal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.portal-header h1 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.portal-header p { color: #999; }

.challenge-box {
  background: #141414;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.challenge-box code {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin: 0.5rem 0;
  color: #facc15;
}

.hint { font-size: 0.8rem; color: #888; margin-top: 0.35rem; }

.setup-block {
  background: #1e1e1e;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.setup-block h2 {
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #333;
}

.form-group.full { grid-column: 1 / -1; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { width: 100%; padding: 1rem; font-size: 1rem; margin-top: 0.5rem; }

.theme-preview {
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #444;
}

.preview-bar { padding: 0.5rem 1rem; font-size: 0.85rem; }
.preview-body { padding: 1.5rem; min-height: 80px; }
.preview-btn {
  margin-top: 0.75rem;
  padding: 0.4rem 1rem;
  border: none;
  border-radius: 6px;
  color: #fff;
  cursor: default;
}

.preview-box {
  margin-top: 1rem;
  min-height: 120px;
  border-radius: 8px;
  border: 1px dashed #444;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.preview-box.has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  background-size: cover;
  background-position: center;
  filter: grayscale(100%);
  opacity: 0.15;
}

.preview-box.has-bg { background: #1a1a1a; }

.mono { font-family: ui-monospace, monospace; }