.private-post {
  max-width: 520px;
  margin: 2rem auto;
  padding: 2rem clamp(1rem, 5vw, 2.5rem);
  border: 1px solid var(--hr-border);
  border-radius: 16px;
  background: var(--card-bg);
  text-align: center;
}

.private-post-icon {
  color: var(--btn-bg);
  font-size: 2rem;
}

#article-container .private-post-title {
  margin: .75rem 0;
  font-size: 1.4rem;
  font-weight: 600;
}

.private-post-form { margin-top: 1.5rem; text-align: left; }
.private-post-form label { display: block; font-weight: 600; }
.private-post-form input {
  display: block;
  width: 100%;
  margin: .5rem 0 1rem;
  padding: .75rem 1rem;
  border: 1px solid var(--hr-border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--font-color);
  font: inherit;
}

.private-post-form input:focus-visible,
.private-post-form button:focus-visible { outline: 2px solid var(--btn-bg); outline-offset: 3px; }
.private-post-form input[aria-invalid="true"] { border-color: #e65d5d; }
.private-post-form button {
  width: 100%;
  padding: .75rem 1rem;
  border-radius: 8px;
  background: var(--btn-bg);
  color: var(--btn-color);
  font: inherit;
  cursor: pointer;
}

.private-post-form button:disabled { opacity: .65; cursor: wait; }
.private-post-status { min-height: 1.5em; color: var(--font-color); text-align: center; }
.private-post-hint { color: var(--font-color); opacity: .75; font-size: .85rem; }
.private-post-unlocked { margin-bottom: 1.5rem; color: var(--font-color); opacity: .75; font-size: .9rem; }