/* Chunk 7 — Decorative Letters tool (/fancy-letters/). Clean Sky. */

.zh-letters-tool { margin-block: 1rem 2rem; }
.zh-letters-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-block-end: 0.9rem;
}
.zh-letters-head h2 { margin: 0; font-size: 1.35rem; }

.zh-letters-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 0.5rem; margin-block-end: 1.4rem;
}
.zh-letter-btn {
  appearance: none; border: 1px solid var(--zh-border); background: #fff;
  border-radius: 10px; min-block-size: 52px; padding: 0.4rem;
  font-size: 1.3rem; line-height: 1.4; color: var(--zh-navy);
  cursor: pointer; transition: border-color .15s, background .15s, box-shadow .15s;
}
.zh-letter-btn:hover { border-color: var(--zh-blue); }
.zh-letter-btn:focus-visible { outline: 2px solid var(--zh-blue); outline-offset: 2px; }
.zh-letter-btn.is-selected {
  border-color: var(--zh-blue); background: var(--zh-light-blue);
  box-shadow: 0 0 0 2px rgba(22, 105, 232, .25) inset;
}

.zh-variants-head h3 { margin: 0 0 0.25rem; font-size: 1.15rem; }
.zh-variants-head .zh-section-note { margin: 0 0 0.9rem; }
.zh-variants {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem; margin-block-end: 1.6rem;
}
.zh-variant {
  border: 1px solid var(--zh-border); border-radius: 12px; background: #fff;
  padding: 0.8rem; display: flex; flex-direction: column; gap: 0.55rem;
  align-items: center; text-align: center;
}
.zh-variant__text { font-size: 1.7rem; line-height: 1.5; overflow-wrap: anywhere; }
.zh-variant__label { font-size: 0.8rem; color: var(--zh-muted); }
.zh-variant__actions { display: flex; gap: 0.45rem; flex-wrap: wrap; justify-content: center; margin-block-start: auto; }

.zh-composer {
  border: 1px solid var(--zh-border); border-top: 4px solid var(--zh-blue);
  border-radius: 12px; background: #fff; padding: 1.1rem;
}
.zh-composer h3 { margin: 0 0 0.8rem; font-size: 1.15rem; }
.zh-composer__input { font-size: 1.4rem; padding: 0.8rem 1rem; inline-size: 100%; }
.zh-composer__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.8rem; flex-wrap: wrap; margin-block-start: 0.8rem;
}
.zh-composer__count { font-size: 0.85rem; color: var(--zh-muted); }
.zh-composer__actions { display: flex; gap: 0.45rem; flex-wrap: wrap; }

@media (max-width: 640px) {
  .zh-letters-grid { grid-template-columns: repeat(auto-fill, minmax(48px, 1fr)); }
  .zh-letter-btn { min-block-size: 50px; font-size: 1.2rem; }
  .zh-variants { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
  .zh-composer__actions .zh-btn { flex: 1 1 auto; }
}