/* =================================================================
   サロン基本情報 管理画面
   ================================================================= */

.knowledge-page {
  padding: 24px 32px 64px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  height: calc(100vh - 64px);
  overflow-y: auto;
}

.knowledge-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}
.knowledge-header .page-title { padding: 0; }
.knowledge-header .page-subtitle { padding: 4px 0 0; line-height: 1.6; }
.knowledge-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.knowledge-toggle {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

/* ボタン */
.kn-btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
}
.kn-btn-primary:hover {
  background: #1665d8;
  box-shadow: 0 1px 3px rgba(60,64,67,0.3);
}
.kn-btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.kn-btn-secondary:hover { background: var(--surface-hover); }
.kn-btn-danger {
  background: var(--surface);
  color: var(--alert);
  border: 1px solid #f5b7b1;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}
.kn-btn-danger:hover { background: var(--alert-bg); }
.kn-btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}
.kn-btn-link:hover { background: var(--accent-bg); }

/* リスト */
.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kn-category-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.kn-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.kn-category-header:hover { background: #f1f5f9; }
.kn-category-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kn-category-count {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.kn-category-toggle {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.15s;
}
.kn-category-section.collapsed .kn-category-body { display: none; }
.kn-category-section.collapsed .kn-category-toggle { transform: rotate(-90deg); }

.kn-category-body {
  display: flex;
  flex-direction: column;
}

.kn-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  align-items: start;
}
.kn-item:last-child { border-bottom: none; }
.kn-item.inactive {
  background: #fafafa;
  opacity: 0.7;
}
.kn-item-main { min-width: 0; }
.kn-item-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.kn-item-inactive-badge {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 1px 6px;
  font-weight: 500;
}
.kn-item-body {
  font-size: 13px;
  color: var(--text-muted);
  white-space: pre-wrap;
  line-height: 1.55;
  word-break: break-word;
}
.kn-item-meta {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 6px;
}
.kn-item-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  flex-shrink: 0;
}

/* 空状態 */
.knowledge-empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-faint);
}
.knowledge-empty-state h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-weight: 500;
}

/* モーダル拡張 */
.kn-modal { max-width: 640px; }
.kn-modal-body {
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}
.kn-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.kn-form-row-textarea { align-items: flex-start; }
.kn-form-row-textarea .form-label { padding-top: 12px; }
.kn-form-row-textarea .form-textarea { flex: 1; min-height: 160px; }
.kn-form-row-checkbox .form-label { padding-top: 0; }
.kn-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}
.kn-input-small { max-width: 120px; }
.kn-form-error {
  margin: 8px 24px 0;
  padding: 8px 12px;
  background: var(--alert-bg);
  color: var(--alert);
  border-radius: 6px;
  font-size: 13px;
}

@media (max-width: 768px) {
  .knowledge-page { padding: 16px; }
  .knowledge-header {
    flex-direction: column;
    align-items: stretch;
  }
  .knowledge-header-actions {
    justify-content: space-between;
  }
  .kn-item { grid-template-columns: 1fr; }
  .kn-item-actions { flex-direction: row; align-items: flex-start; }
}