/* ============================================================
   チバリヨ - P4 顧客マスタ管理画面 スタイル (Phase 2-A-1 枠組み版)

   Phase 2-A-1 のスコープ:
     - ヘッダー / 統計バー / 検索 & フィルタ
     - 左ペイン(顧客一覧 + ソート)
     - 右ペイン(空状態のみ。編集フォームは Phase 2-A-2)
     - クイックフィルタチップ

   後続フェーズで追加されるスタイル:
     - Phase 2-A-2: 編集フォーム / 市町村サジェスト
     - Phase 2-A-3: 新規追加モーダル / アーカイブモーダル / 統合候補バナー
============================================================ */

/* ----- 警告色(amber)はローカル定義 ----- */
.p4-content {
  --color-warning: #854F0B;
  --color-warning-bg: #FAEEDA;
  --color-coral: #A32D2D;
  --color-coral-bg: #FCEBEB;
}

/* ----- 上部ヘッダー ----- */
.p4-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.p4-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
.p4-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.p4-header .btn {
  width: auto;
  padding: 8px 16px;
}

.p4-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
}
.p4-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
}

.p4-loading, .p4-empty {
  text-align: center;
  padding: 40px;
  color: var(--color-text-sub);
  font-size: 14px;
}

/* ----- 統計バー ----- */
.p4-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 12px;
  font-size: 13px;
}
.p4-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.p4-stat-label {
  color: var(--color-text-sub);
}
.p4-stat-value {
  font-weight: 600;
  color: var(--color-text);
  font-size: 15px;
}
.p4-stat.is-warning .p4-stat-value {
  color: #854F0B;
}
.p4-stat.is-coral .p4-stat-value {
  color: var(--color-danger);
}
.p4-stat-divider {
  width: 1px;
  background: var(--color-border);
}

/* ----- フィルタバー ----- */
.p4-filterbar {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 12px;
}

.p4-filterbar-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.p4-filterbar-row:last-child {
  margin-bottom: 0;
}

.p4-search {
  flex: 1;
  min-width: 220px;
  position: relative;
}
.p4-search input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--color-text);
}
.p4-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 68, 124, 0.12);
}
.p4-search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 14px;
  pointer-events: none;
}

/* ----- セグメント(アクティブ/アーカイブ/全て) ----- */
.p4-segment {
  display: inline-flex;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  overflow: hidden;
}
.p4-segment-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text-sub);
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  border-right: 1px solid var(--color-border);
}
.p4-segment-btn:last-child {
  border-right: none;
}
.p4-segment-btn:hover {
  background: #F2F4F7;
}
.p4-segment-btn.is-active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 500;
}

/* ----- ソートセレクタ ----- */
.p4-sort {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-sub);
}
.p4-sort select {
  padding: 7px 10px;
  font-family: inherit;
  font-size: 13px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--color-text);
}

/* ----- クイックフィルタチップ ----- */
.p4-chips-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-right: 4px;
  white-space: nowrap;
}
.p4-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}
.p4-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: 18px;
  background: #FFFFFF;
  color: var(--color-text-sub);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.p4-chip:hover {
  background: #F2F4F7;
}
.p4-chip.is-active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.p4-chip-count {
  background: rgba(0, 0, 0, 0.06);
  padding: 0 6px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
}
.p4-chip.is-active .p4-chip-count {
  background: rgba(12, 68, 124, 0.15);
}

/* ----- メイン: 2ペイン構成 ----- */
.p4-main {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 16px;
  align-items: start;
}

/* ----- 左ペイン:一覧 ----- */
.p4-list-pane {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 320px);
  min-height: 480px;
}
.p4-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  background: #FAFBFC;
  font-size: 12px;
  color: var(--color-text-sub);
  flex-shrink: 0;
}
.p4-list-count {
  font-weight: 500;
  color: var(--color-text);
}
.p4-list-scroll {
  flex: 1;
  overflow-y: auto;
}
.p4-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.p4-list-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ----- 顧客カード ----- */
.p4-card {
  border-bottom: 1px solid var(--color-border);
  padding: 11px 14px 11px 18px;
  cursor: pointer;
  transition: background 0.1s ease;
  position: relative;
}
.p4-card:hover {
  background: #F7F8FA;
}
.p4-card.is-selected {
  background: var(--color-primary-bg);
}
.p4-card.is-selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
}
.p4-card.is-archived {
  opacity: 0.55;
}

.p4-card-line1 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.p4-card-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.p4-card-kana {
  font-size: 11px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.p4-card-line2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--color-text-sub);
  margin-bottom: 4px;
}
.p4-card-area {
  white-space: nowrap;
}
.p4-card-area.is-empty {
  color: var(--color-text-muted);
  font-style: italic;
}
.p4-card-visit {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.p4-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}
.p4-card-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
  white-space: nowrap;
}
.p4-badge-warning {
  background: #FAEEDA;
  color: #854F0B;
}
.p4-badge-coral {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}
.p4-badge-archived {
  background: #F1F5F9;
  color: var(--color-text-muted);
}
.p4-badge-info {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* ----- 右ペイン:詳細(Phase 2-A-1 では空状態のみ) ----- */
.p4-detail-pane {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.p4-detail-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-muted);
  gap: 12px;
}
.p4-detail-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #F2F4F7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-text-muted);
}
.p4-detail-empty-text {
  font-size: 14px;
  line-height: 1.6;
}
.p4-detail-empty-sub {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Phase 2-A-2 で実装予定の編集フォーム用プレースホルダ */
.p4-detail-stub {
  background: #FAEEDA;
  border: 1px dashed #854F0B;
  border-radius: var(--radius-sm);
  padding: 16px;
  color: #854F0B;
  font-size: 13px;
  line-height: 1.6;
}

/* ----- レスポンシブ ----- */
@media (max-width: 1100px) {
  .p4-main {
    grid-template-columns: 1fr;
  }
  .p4-list-pane {
    max-height: 60vh;
  }
}

@media (max-width: 760px) {
  .p4-filterbar-row {
    gap: 8px;
  }
  .p4-segment-btn {
    padding: 7px 10px;
    font-size: 12px;
  }
  .p4-chips {
    width: 100%;
  }
}

/* ============================================================
   Phase 2-A-2: 編集フォーム
============================================================ */

.p4-editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.p4-editor-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}
.p4-editor-title {
  margin: 0 0 4px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.p4-editor-archived-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 3px;
  background: #F1F5F9;
  color: var(--color-text-muted);
}
.p4-editor-meta {
  font-size: 12px;
  color: var(--color-text-sub);
}

.p4-editor-archived-banner {
  background: #F1F5F9;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* ----- フォーム本体 ----- */
.p4-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.p4-form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.p4-form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-sub);
}

.p4-required {
  color: var(--color-danger);
  font-weight: 600;
}

.p4-input,
.p4-textarea {
  width: 100%;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--color-text);
  box-sizing: border-box;
}
.p4-input:focus,
.p4-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 68, 124, 0.12);
}
.p4-input:disabled,
.p4-textarea:disabled {
  background: #F7F8FA;
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.p4-textarea {
  resize: vertical;
  min-height: 60px;
  font-family: inherit;
  line-height: 1.6;
}

/* ----- 所在地(prefecture / municipality 連動)----- */
.p4-form-location {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 8px;
}
.p4-location-field {
  display: flex;
}
.p4-location-field input {
  width: 100%;
}

.p4-form-help {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.p4-area-preview {
  font-size: 12px;
  color: var(--color-text-sub);
  padding: 6px 10px;
  background: #FAFBFC;
  border-radius: var(--radius-sm);
  min-height: 14px;
}
.p4-area-preview strong {
  color: var(--color-text);
  font-weight: 600;
}
.p4-area-preview:empty {
  display: none;
}

/* ----- 業態チェックボックス ----- */
.p4-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.p4-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text);
}
.p4-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
}
.p4-checkbox-label input[type="checkbox"]:disabled {
  cursor: not-allowed;
}
.p4-checkbox-label input[type="checkbox"]:disabled + span {
  color: var(--color-text-muted);
}

/* ----- フォームアクション ----- */
.p4-form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  flex-wrap: wrap;
}
.p4-form-actions .btn {
  width: auto;
  padding: 8px 18px;
}
.p4-form-actions .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.p4-edit-status {
  font-size: 12px;
  margin-left: auto;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.p4-edit-status:empty {
  display: none;
}
.p4-edit-status.is-info {
  color: var(--color-text-sub);
  background: #F2F4F7;
}
.p4-edit-status.is-success {
  color: var(--color-success);
  background: var(--color-success-bg);
}
.p4-edit-status.is-error {
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

/* ----- 統合候補バナー ----- */
.p4-merge-banner {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--color-danger);
  line-height: 1.6;
}

/* ----- 補助 ----- */
.p4-text-muted {
  color: var(--color-text-muted);
}

/* レスポンシブ:狭い画面で所在地を縦並びに */
@media (max-width: 760px) {
  .p4-form-location {
    grid-template-columns: 1fr;
  }
}