/* ==========================================================================
   L-MASTER: LINE Official Account Manager 完全模倣スタイルシート
   ========================================================================== */

/* 全体リセット & 基本設定 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #F0F1F5;
  color: #333333;
  font-size: 14px;
  line-height: 1.5;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   1. ヘッダーバー (LINE Official Manager 共通)
   -------------------------------------------------------------------------- */
.main-header {
  height: 56px;
  background-color: #2B303B;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-logo {
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 1px;
  color: #06C755; /* LINEグリーン */
}

.form-select {
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid #444B5A;
  background-color: #383E4C;
  color: #FFFFFF;
  font-size: 13px;
  outline: none;
}

/* --------------------------------------------------------------------------
   2. メインレイアウト & サイドナビゲーション
   -------------------------------------------------------------------------- */
.body-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.side-nav {
  width: 220px;
  background-color: #FFFFFF;
  border-right: 1px solid #E2E5EC;
  flex-shrink: 0;
  overflow-y: auto;
}

.nav-list {
  list-style: none;
  padding: 10px 0;
}

.nav-item {
  padding: 12px 20px;
  color: #555555;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  transition: background-color 0.15s ease;
}

.nav-item:hover {
  background-color: #F8F9FA;
  color: #06C755;
}

.nav-item.active {
  background-color: #E8F8EE;
  color: #06C755;
  border-left: 4px solid #06C755;
}

.nav-divider {
  height: 1px;
  background-color: #E2E5EC;
  margin: 10px 0;
  padding: 0;
}

.content-area {
  flex: 1;
  background-color: #F0F1F5;
  position: relative;
  overflow: hidden;
}

.view-panel {
  display: none;
  height: 100%;
  width: 100%;
}

.view-panel.active {
  display: block;
}

/* --------------------------------------------------------------------------
   3. チャット画面レイアウト (3列カラム構成)
   -------------------------------------------------------------------------- */
.chat-layout {
  display: flex;
  height: 100%;
  width: 100%;
}

/* トーク相手一覧パネル */
.chat-list-panel {
  width: 280px;
  background-color: #FFFFFF;
  border-right: 1px solid #E2E5EC;
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 12px;
  border-bottom: 1px solid #E2E5EC;
}

.search-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #D0D5DD;
  border-radius: 4px;
  font-size: 13px;
  outline: none;
}

.customer-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
}

.customer-item {
  padding: 12px 16px;
  border-bottom: 1px solid #F0F1F5;
  cursor: pointer;
}

.customer-item:hover, .customer-item.active {
  background-color: #F8F9FA;
}

/* メインチャット表示領域 */
.chat-main-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #FFFFFF;
}

.chat-header {
  height: 50px;
  padding: 0 20px;
  border-bottom: 1px solid #E2E5EC;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.customer-name {
  font-weight: bold;
  font-size: 15px;
}

.badge-danger {
  background-color: #FF4D4F;
  color: #FFFFFF;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: normal;
}

.chat-history {
  flex: 1;
  padding: 20px;
  background-color: #F8F9FA;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-input-area {
  padding: 12px;
  border-top: 1px solid #E2E5EC;
  background-color: #FFFFFF;
}

.chat-input-area textarea {
  width: 100%;
  height: 70px;
  border: 1px solid #D0D5DD;
  border-radius: 4px;
  padding: 8px;
  font-size: 13px;
  resize: none;
  outline: none;
}

.input-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

/* 右側独自CRM拡張パネル */
.chat-crm-panel {
  width: 300px;
  background-color: #FFFFFF;
  border-left: 1px solid #E2E5EC;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-title {
  font-weight: bold;
  font-size: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #06C755;
  color: #333333;
}

.crm-field label {
  font-size: 12px;
  color: #666666;
  display: block;
  margin-bottom: 4px;
}

.field-value {
  font-size: 13px;
  font-weight: 500;
  word-break: break-all;
}

.input-group {
  display: flex;
  gap: 6px;
}

.input-group input {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid #D0D5DD;
  border-radius: 4px;
  font-size: 12px;
}

/* 共通ボタン & 汎用クラス */
.btn {
  padding: 6px 16px;
  border-radius: 4px;
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.btn-primary {
  background-color: #06C755;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #05B34C;
}

.btn-secondary {
  background-color: #6C757D;
  color: #FFFFFF;
}

.hidden {
  display: none !important;
}

.panel-placeholder {
  padding: 40px;
  text-align: center;
  color: #888888;
  font-size: 16px;
}