/* Letter builder pages: form on one side, an A4-style preview on the other; stacks on phones. Uses styles.css tokens. */
.lt-wrap {
  width: 100%; max-width: 1160px; margin: 0 auto; padding: 20px;
  display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 20px; align-items: start;
}
@media (max-width: 900px) { .lt-wrap { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-width: 0; }

.lt-form:empty { min-height: 1400px; }
.lt-form fieldset { border: 0; margin: 0 0 18px; padding: 0; display: grid; gap: 12px; }
.lt-form legend { font-family: var(--font-display); font-weight: 600; font-size: 16px; margin-bottom: 4px; padding: 0; }
.lt-field { display: flex; flex-direction: column; gap: 5px; }
.lt-field label { font-size: 13px; font-weight: 500; color: var(--muted); }
.lt-field .req { color: var(--danger); }
.lt-field input, .lt-field select, .lt-field textarea {
  font: inherit; font-size: 16px; color: var(--fg); background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; width: 100%; min-width: 0;
}
.lt-field textarea { resize: vertical; line-height: 1.5; }
.lt-field input:focus-visible, .lt-field select:focus-visible, .lt-field textarea:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.lt-field input::placeholder, .lt-field textarea::placeholder { color: var(--muted); opacity: .75; }
.lt-check { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.lt-check input { width: 18px; height: 18px; accent-color: var(--accent); }
.lt-text { border-top: 1px solid var(--line); padding-top: 16px; }
.lt-text textarea { font-size: 15px; }
.link { background: none; border: 0; padding: 4px 0; color: var(--accent); text-decoration: underline; font-size: 14px; align-self: flex-start; cursor: pointer; }
.lt-saved { font-size: 12.5px; color: var(--muted); margin: 8px 0 0; }

.lt-side { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
@media (max-width: 900px) { .lt-side { position: static; } }
.lt-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.lt-missing { font-size: 13px; color: var(--danger); min-height: 1em; margin: 0; }

/* The paper keeps its own light colours in dark mode: it is a printable document. */
.lt-paper {
  background: #fff; color: #1b1b1b; border: 1px solid var(--line); border-radius: 6px;
  box-shadow: 0 6px 24px rgb(0 0 0 / .08); padding: 48px 52px; min-height: 760px;
  font-family: "IBM Plex Sans", "IBM Plex Sans Arabic", Georgia, serif; font-size: 15px; line-height: 1.6;
  overflow-wrap: anywhere;
}
.lt-paper.draft .lt-from strong { color: #5f6b6a; }
.lt-from { margin-bottom: 22px; }
.lt-from strong { font-size: 18px; font-family: var(--font-display); }
.lt-date { margin-bottom: 18px; color: #444; }
.lt-to { margin-bottom: 18px; }
.lt-subject { font-weight: 600; margin-bottom: 18px; }
.lt-body p { margin: 0 0 14px; }
.lt-sign { margin-top: 4px; font-weight: 600; }
@media (max-width: 520px) {
  .lt-wrap { padding: 16px; }
  .card { padding: 16px; }
  .lt-paper { padding: 26px 22px; font-size: 14px; min-height: 0; }
}

@media print {
  @page { size: A4; margin: 20mm; }
  body * { visibility: hidden; }
  .lt-paper, .lt-paper * { visibility: visible; }
  .lt-paper { position: absolute; inset: 0 0 auto 0; border: 0; box-shadow: none; padding: 0; min-height: 0; font-size: 12pt; }
  .lt-paper.draft .lt-from strong { color: #1b1b1b; }
}