.dialog.post-composer-dialog {
  width: min(920px, calc(100vw - 36px));
  max-height: calc(100dvh - 32px);
  padding: 22px;
  border-radius: 24px;
}

.post-composer-dialog .dialog-title { margin-bottom: 20px; }
.post-composer-dialog .dialog-title h2 { font-size: 22px; }
#post-composer [hidden] { display: none !important; }
.post-compose-layout { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr); gap: 18px; }
.post-compose-fields { display: grid; align-content: start; gap: 13px; min-width: 0; }
.post-compose-field-title { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.post-compose-field-title label { font-size: 14px; font-weight: 670; }
.post-compose-field-title span { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }

#post-composer textarea, #post-composer select, #post-composer input[type="url"] {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}

#post-composer textarea { min-height: 148px; max-height: 330px; resize: vertical; line-height: 1.55; }
#post-composer :is(textarea, select, input, summary, button):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
#post-composer [aria-invalid="true"] { border-color: #e57994; }
.post-compose-topic { display: flex; min-width: 0; align-items: center; gap: 9px; color: var(--muted); }
.post-compose-topic svg { flex: none; color: var(--accent); }
#post-composer .post-compose-topic select { width: auto; max-width: 100%; margin-left: auto; padding-right: 25px; }

.post-compose-upload {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 68px;
  padding: 10px;
  border: 1px dashed color-mix(in srgb, var(--accent) 37%, var(--line));
  border-radius: 15px;
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
}

.post-compose-upload.is-dragging {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}
.post-compose-upload-icon {
  display: grid;
  flex: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 13%, var(--surface-2));
  color: var(--accent);
}
.post-compose-upload-label { flex: 1; min-width: 0; }
.post-compose-upload-label strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.post-compose-upload-label small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.post-compose-pick.secondary { flex: none; padding: 7px 10px; font-size: 12px; }
.post-compose-remove.icon-button { flex: none; width: 36px; height: 36px; }
.post-compose-url summary { display: inline-flex; align-items: center; gap: 7px; border-radius: 4px; color: var(--muted); cursor: pointer; font-size: 12px; }
.post-compose-url summary::-webkit-details-marker { display: none; }
.post-compose-url summary:hover { color: var(--text); }
.post-compose-url-input { display: grid; gap: 5px; margin-top: 9px; color: var(--muted); font-size: 12px; }

.post-compose-preview {
  min-width: 0;
  min-height: 240px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface-2);
}
.post-compose-preview-title { margin-bottom: 12px; color: var(--muted); font-weight: 650; }
.post-compose-preview-card { display: grid; gap: 13px; min-width: 0; padding: 13px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.post-compose-author { display: flex; align-items: center; gap: 9px; }
.post-compose-author div { min-width: 0; }
.post-compose-author strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.post-compose-author small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.post-compose-preview-text { min-width: 0; max-height: 148px; overflow: auto; overflow-wrap: anywhere; white-space: pre-wrap; line-height: 1.5; }
.post-compose-preview-text.is-empty { color: var(--muted); }
.post-compose-preview-media { overflow: hidden; border-radius: 10px; background: var(--surface-2); }
.post-compose-preview-media :is(img, video) { display: block; width: 100%; max-height: 220px; object-fit: contain; }
.post-compose-preview-media > span { display: block; padding: 14px; color: var(--muted); font-size: 12px; }
.post-compose-preview-topic { justify-self: start; padding: 4px 8px; border-radius: 999px; background: var(--surface-2); color: var(--accent); font-size: 11px; font-weight: 650; }
.post-compose-error { margin: 14px 0 0; }
.post-compose-footer { display: flex; justify-content: flex-end; gap: 9px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }

@media (max-width: 680px) {
  .dialog.post-composer-dialog { width: calc(100vw - 20px); padding: 15px; border-radius: 18px; }
  .post-composer-dialog .dialog-title { margin-bottom: 14px; }
  .post-composer-dialog .dialog-title h2 { font-size: 19px; }
  .post-compose-layout { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .post-compose-preview { min-height: 0; }
  #post-composer textarea { min-height: 112px; }
  .post-compose-footer .primary { flex: 1; }
}

@media (max-width: 360px) {
  .post-compose-upload { flex-wrap: wrap; }
  .post-compose-upload-label { flex-basis: calc(100% - 50px); }
}