/* ========== ナビシート（スマホ専用 / 見た目は theme-companion.css） ========== */
.bottom-nav {
  display: none;
}

@media (max-width: 768px) {
  .bottom-nav {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 35;
  }

  .bottom-nav-item {
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
  }
}

/* ========== クイックメモ（メモタブで再利用） ========== */
.quick-memo-input {
  width: 100%;
  padding: 10px 12px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

.quick-memo-btn {
  cursor: pointer;
  white-space: nowrap;
  transition: filter 0.15s;
}

.quick-memo-btn:disabled { opacity: 0.45; cursor: default; }

/* ========== メモカード（vault/task/memo.md の ## セクション単位・アコーディオン） ========== */
.memo-tab-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

.memo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  overflow: hidden;
}

.memo-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: none;
  background: var(--section-bg);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}

.memo-card-title-text {
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 55%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.memo-card-preview {
  flex: 1;
  min-width: 0;
  font-size: 0.74rem;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.memo-card-chev {
  flex-shrink: 0;
  color: var(--text-sub);
  font-size: 0.8rem;
  transition: transform 0.15s;
}

.memo-card.open .memo-card-chev { transform: rotate(90deg); }

.memo-card-body {
  display: none;
  padding: 10px 12px 12px;
  flex-direction: column;
  gap: 8px;
}

.memo-card.open .memo-card-body { display: flex; }

.memo-card-title-input {
  width: 100%;
  padding: 8px 10px;
  font-size: 0.84rem;
  font-weight: 700;
  font-family: inherit;
  background: var(--section-bg);
  color: var(--text);
  border: none;
  outline: none;
}

.memo-card-title-input[readonly] { color: var(--text-sub); }

.memo-card-text {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  font-size: 0.84rem;
  font-family: inherit;
  line-height: 1.6;
  background: var(--section-bg);
  color: var(--text);
  border: none;
  outline: none;
  resize: vertical;
}

.memo-card-actions { display: flex; gap: 8px; }
.memo-card-actions .quick-memo-btn { flex: 1; }

.memo-card-del-btn {
  background: var(--section-bg2);
  color: var(--red);
}

.memo-add-row { display: flex; gap: 8px; }

.memo-empty {
  font-size: 0.78rem;
  color: var(--text-sub);
  text-align: center;
  padding: 20px 10px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

/* スマホ: iOS ズーム防止とタップ領域拡大 */
@media (max-width: 768px) {
  .memo-card-head { min-height: 48px; }

  .memo-card-text,
  .memo-card-title-input,
  #memo-new-title,
  #memo-tab-textarea {
    font-size: 16px;
  }
}