/* ========================================
   ログ連結ツール（logchain）
   複数のココフォリアログHTMLを1つに連結
   ======================================== */

.logchain-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.logchain-tool {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ドロップゾーン */
.logchain-drop {
  position: relative;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-md);
  border: 2px dashed var(--color-border-light);
  border-radius: var(--border-radius-md);
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.logchain-drop:hover {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
}

.logchain-drop.is-active {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
}

.logchain-drop strong {
  color: var(--color-primary);
}

.logchain-drop-sub {
  font-size: 13px;
  color: var(--color-tool-desc);
}

.logchain-drop-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ステータス表示 */
.logchain-status {
  min-height: 1.2em;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
}

/* ファイル一覧（連結順の並べ替えUI） */
.logchain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.logchain-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 12px;
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  cursor: grab;
}

.logchain-item:active {
  cursor: grabbing;
}

.logchain-item.is-dragging {
  opacity: 0.4;
}

/* ドロップ位置の表示（上辺／下辺に太線） */
.logchain-item.is-drop-above {
  box-shadow: 0 -3px 0 var(--color-primary) inset;
}

.logchain-item.is-drop-below {
  box-shadow: 0 3px 0 var(--color-primary) inset;
}

/* 移動直後の項目を一瞬ハイライトして追いやすくする */
@keyframes logchain-flash {
  from { background: rgba(var(--color-primary-rgb), 0.22); }
  to { background: var(--color-white); }
}

.logchain-item.is-moved {
  animation: logchain-flash 0.6s ease-out;
}

.logchain-handle {
  cursor: grab;
  color: var(--color-border-light);
  user-select: none;
}

.logchain-num {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text);
}

.logchain-name {
  flex: 1 1 auto;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 14px;
}

.logchain-ctrl {
  display: inline-flex;
  gap: 4px;
}

.logchain-ctrl button {
  padding: 4px 9px;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-background);
  border: var(--border-width) solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.logchain-ctrl button:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.logchain-ctrl button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.logchain-ctrl .is-remove:hover:not(:disabled) {
  border-color: #d14343;
  color: #d14343;
}

/* ダウンロードボタン（download-html-btn 準拠） */
.logchain-download {
  align-self: center;
  padding: 10px 22px;
  background: var(--color-primary);
  color: var(--color-text);
  border: 2px solid var(--color-text);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-sizing: border-box;
}

.logchain-download:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.logchain-download:active:not(:disabled) {
  transform: translateY(0);
}

.logchain-download:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .logchain-container {
    padding-left: 12px;
    padding-right: 12px;
  }
}