/* 
  キタイスポーツクラブ 短期教室専用 連絡管理システム
  共通デザインシステム & スタイルシート (Vanilla CSS)
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Outfit:wght@400;600;800&display=swap');

/* --- CSS変数定義 --- */
:root {
  --font-base: 'Noto Sans JP', sans-serif;
  --font-accent: 'Outfit', sans-serif;
  
  /* カラーシステム */
  --color-primary: #0F52BA;        /* メインサファイアブルー */
  --color-primary-dark: #002D62;   /* ディープネイビー */
  --color-primary-light: #E8F1F5;  /* ソフトブルーグレー */
  --color-accent: #FF6B35;         /* アクティブオレンジ */
  --color-accent-hover: #E85A24;
  --color-bg: #F5F7FA;
  --color-card-bg: #FFFFFF;
  --color-text: #2C3E50;
  --color-text-light: #7F8C8D;
  --color-border: #E2E8F0;
  --color-success: #2ECC71;
  --color-warning: #F1C40F;
  --color-danger: #E74C3C;

  /* 支払ステータスカラー */
  --status-unpaid-bg: #FFF0F0;
  --status-unpaid-text: #D32F2F;
  --status-verifying-bg: #FFFDF0;
  --status-verifying-text: #B78103;
  --status-paid-bg: #ECFDF5;
  --status-paid-text: #059669;
  --status-onday-bg: #F3E8FF;
  --status-onday-text: #7C3AED;
  --status-cancelled-bg: #EDF2F7;
  --status-cancelled-text: #4A5568;

  /* シャドウ */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);

  /* 角丸 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

a {
  text-decoration: none;
  color: var(--color-primary);
}

/* --- ユーティリティ --- */
.text-center { text-align: center; }
.hidden { display: none !important; }

/* 支払ステータスバッジ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.status-badge.unpaid { background-color: var(--status-unpaid-bg); color: var(--status-unpaid-text); }
.status-badge.verifying { background-color: var(--status-verifying-bg); color: var(--status-verifying-text); }
.status-badge.paid { background-color: var(--status-paid-bg); color: var(--status-paid-text); }
.status-badge.onday { background-color: var(--status-onday-bg); color: var(--status-onday-text); }
.status-badge.cancelled { background-color: var(--status-cancelled-bg); color: var(--status-cancelled-text); }

/* --- ログイン画面のレイアウト --- */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  background: var(--color-card-bg);
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: slideUp var(--transition-normal);
}

.login-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  padding: 30px 20px;
  text-align: center;
  position: relative;
}

.login-logo {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-accent);
  letter-spacing: 1px;
  margin-bottom: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.login-logo span {
  color: var(--color-accent);
}

.login-subtitle {
  font-size: 0.95rem;
  opacity: 0.9;
}

.login-body {
  padding: 30px 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 82, 186, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.login-footer {
  text-align: center;
  padding: 0 24px 24px 24px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- アプリケーション共通ヘッダー --- */
.app-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-title h1 {
  font-size: 1.3rem;
  font-weight: 800;
  font-family: var(--font-accent);
  letter-spacing: 0.5px;
}

.app-title h1 span {
  color: var(--color-accent);
}

.app-title p {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-logout {
  background: rgba(255,255,255,0.15);
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(255,255,255,0.3);
}

/* --- 保護者用メインコンテナ --- */
.parent-container {
  max-width: 600px;
  margin: 20px auto;
  padding: 0 12px;
  animation: fadeIn var(--transition-normal);
}

/* 申込概要カード */
.applicant-info-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 15px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--color-primary);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  font-size: 0.85rem;
  margin-top: 8px;
}

.info-item span:first-child {
  color: var(--color-text-light);
  display: block;
}

.info-item span:last-child {
  font-weight: 700;
}

/* --- チャットインターフェース --- */
.chat-container {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 400px;
  overflow: hidden;
}

.chat-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  background-color: #FAFCFF;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header-title {
  font-weight: 700;
  font-size: 1rem;
}

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background-color: #F8FAFD;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* メッセージ吹き出し */
.message-bubble {
  max-width: 75%;
  display: flex;
  flex-direction: column;
  animation: chatBubbleIn var(--transition-fast) forwards;
}

.message-bubble.incoming {
  align-self: flex-start;
}

.message-bubble.outgoing {
  align-self: flex-end;
}

.message-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
  padding: 0 4px;
}

.message-bubble.incoming .message-meta {
  text-align: left;
}

.message-bubble.outgoing .message-meta {
  text-align: right;
}

.message-content {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  word-break: break-all;
  white-space: pre-wrap;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.message-bubble.incoming .message-content {
  background-color: #FFFFFF;
  color: var(--color-text);
  border-top-left-radius: 2px;
  border: 1px solid var(--color-border);
}

.message-bubble.outgoing .message-content {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-top-right-radius: 2px;
}

.message-status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-top: 2px;
  padding: 0 4px;
}

.message-status .read-mark {
  color: var(--color-primary);
  font-weight: bold;
}

/* チャット送信フォーム */
.chat-input-area {
  padding: 15px;
  border-top: 1px solid var(--color-border);
  background-color: #FFFFFF;
}

.chat-input-form {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-textarea {
  flex: 1;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  resize: none;
  height: 48px;
  min-height: 48px;
  max-height: 120px;
  outline: none;
  transition: var(--transition-fast);
  line-height: 1.4;
}

.chat-textarea:focus {
  border-color: var(--color-primary);
}

.btn-send {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.btn-send:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.03);
}

.btn-send svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

/* --- 管理者画面レイアウト --- */
.admin-container {
  display: flex;
  height: calc(100vh - 65px);
  overflow: hidden;
}

/* 申込者リスト（左カラム） */
.admin-list-panel {
  width: 380px;
  background-color: #FFFFFF;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.list-filter-area {
  padding: 15px;
  border-bottom: 1px solid var(--color-border);
  background-color: #FAFCFF;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
}

.filter-select {
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
  background-color: #FFFFFF;
}

.filter-toggle-btn {
  display: inline-flex;
  margin-bottom: 5px;
  justify-content: center;
  align-items: center;
}

.filter-options-wrapper {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.3s ease, opacity 0.2s ease, margin-bottom 0.3s ease;
  margin-bottom: 0;
  width: 100%;
}

.filter-options-wrapper.open {
  max-height: 600px;
  opacity: 1;
  pointer-events: auto;
  margin-bottom: 10px;
}

.applicant-list {
  flex: 1;
  overflow-y: auto;
}

.applicant-list-item {
  padding: 15px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.applicant-list-item:hover {
  background-color: #F5F9FD;
}

.applicant-list-item.active {
  background-color: #EDF4FC;
  border-left: 4px solid var(--color-primary);
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.item-name-area {
  display: flex;
  flex-direction: column;
}

.item-name-kana {
  font-size: 0.7rem;
  color: var(--color-text-light);
}

.item-name {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.item-meta-top {
  display: flex;
  align-items: center;
  gap: 6px;
}

.unread-badge {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

.needs-reply-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.4);
}

.item-body {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.item-last-time {
  color: var(--color-text-light);
}

/* 詳細エリア（右カラム） */
.admin-detail-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #FFFFFF;
}

.detail-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  padding: 40px;
}

.detail-placeholder svg {
  width: 64px;
  height: 64px;
  fill: #CBD5E1;
  margin-bottom: 15px;
}

.detail-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--color-border);
  background-color: #FAFCFF;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.btn-back {
  display: none; /* デフォルト非表示、スマホで表示 */
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
}

.detail-title-info {
  display: flex;
  flex-direction: column;
}

.detail-name-kana {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.detail-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.detail-info-grid {
  display: flex;
  gap: 15px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.detail-info-grid span strong {
  color: var(--color-text);
}

.detail-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-item label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.control-select {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
  font-weight: 700;
  cursor: pointer;
}

.detail-content-area {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* チャット側 */
.detail-chat-wrapper {
  flex: 2;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
}

/* メモ・詳細属性側（右端） */
.detail-meta-wrapper {
  flex: 1;
  width: 300px;
  padding: 20px;
  background-color: #FAFCFF;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.meta-section {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 15px;
  box-shadow: var(--shadow-sm);
}

.meta-section h3 {
  font-size: 0.9rem;
  font-weight: 700;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 6px;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.meta-table {
  width: 100%;
  font-size: 0.8rem;
  border-collapse: collapse;
}

.meta-table th, .meta-table td {
  padding: 6px 4px;
  text-align: left;
}

.meta-table th {
  color: var(--color-text-light);
  font-weight: 500;
  width: 80px;
}

.meta-table td {
  font-weight: 700;
}

.memo-textarea {
  width: 100%;
  height: 150px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.85rem;
  resize: none;
  outline: none;
  margin-bottom: 8px;
}

.memo-textarea:focus {
  border-color: var(--color-primary);
}

.memo-status-msg {
  font-size: 0.75rem;
  color: var(--color-success);
  min-height: 18px;
}

/* テンプレート返信パネル */
.template-panel {
  padding: 10px 15px;
  background-color: #FAFCFF;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.template-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.btn-template {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-template:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --- アニメーション --- */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes chatBubbleIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(5px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* --- レスポンシブ対応 --- */

/* 詳細情報トグルボタンのデフォルト（大画面PCでは非表示） */
.btn-toggle-meta {
  display: none !important;
}

@media (max-width: 1200px) {
  /* トグルボタンを表示 */
  .btn-toggle-meta {
    display: inline-flex !important;
    align-items: center;
    gap: 4px;
  }

  /* クローズバーを表示 */
  .meta-close-bar {
    display: flex !important;
  }

  /* 詳細パネルをドロワー化 */
  .detail-meta-wrapper {
    position: absolute !important;
    top: 0;
    right: 0;
    width: 340px;
    height: 100%;
    z-index: 150;
    background-color: #FAFCFF;
    border-left: 1px solid var(--color-border);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex !important;
    flex-direction: column;
    padding: 15px !important;
    gap: 15px !important;
  }

  /* オープン時の状態 */
  .detail-meta-wrapper.open {
    transform: translateX(0) !important;
  }

  .detail-content-area {
    position: relative;
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  /* スマートモバイルヘッダー (崩れ防止とコンパクト化) */
  .app-header {
    display: grid !important;
    grid-template-areas: 
      "logo logout"
      "tabs tabs";
    grid-template-columns: 1fr auto;
    padding: 8px 12px;
    gap: 6px;
    transition: padding var(--transition-fast), gap var(--transition-fast);
  }
  
  .app-title {
    grid-area: logo;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
  }
  
  .app-title p {
    display: none; /* スマホでは説明文を非表示にして高さをカット */
  }
  
  .app-title h1 {
    font-size: 1.15rem !important; /* ロゴを小さく */
  }
  
  .header-tabs {
    grid-area: tabs;
    margin-left: 0 !important;
    justify-content: space-around;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 6px;
    display: flex;
  }
  
  .header-actions {
    grid-area: logout;
    align-self: center;
  }
  
  .btn-logout {
    padding: 4px 10px;
    font-size: 0.75rem;
  }

  /* スクロール時にさらにコンパクト化する縮小ヘッダー (Shrink) */
  .app-header.shrink {
    grid-template-areas: "tabs logout";
    grid-template-columns: 1fr auto;
    padding: 4px 10px;
    gap: 0;
  }
  
  .app-header.shrink .app-title {
    display: none !important; /* ロゴも非表示にして高さを最小限にする */
  }
  
  .app-header.shrink .header-tabs {
    border-top: none;
    padding-top: 0;
  }
  
  .app-header.shrink .btn-logout {
    padding: 3px 8px;
    font-size: 0.7rem;
  }

  /* 管理者画面のリストと詳細の切り替え表示 */
  .admin-container {
    position: relative;
  }
  
  .admin-list-panel {
    width: 100%;
  }
  
  .admin-detail-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    transform: translateX(100%);
    transition: var(--transition-normal);
  }
  
  /* 詳細画面スライドイン */
  .admin-container.show-detail .admin-detail-panel {
    transform: translateX(0);
  }
  
  .btn-back {
    display: inline-flex;
  }

  .detail-controls {
    width: 100%;
    justify-content: space-between;
  }

  .detail-content-area {
    flex-direction: column;
  }

  /* スマホ幅では詳細ドロワーを画面幅いっぱいに広げる */
  .detail-meta-wrapper {
    width: 100% !important;
    border-left: none;
  }

  .detail-chat-wrapper {
    flex: 1;
    border-right: none;
  }

  .chat-container {
    height: calc(100vh - 200px);
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  /* モバイル用フィルタートグルのスタイルは共通スタイルに移行しました */

  /* 送迎画面テーブルのカード化 */
  #shuttle-layout table, 
  #shuttle-layout thead, 
  #shuttle-layout tbody, 
  #shuttle-layout th, 
  #shuttle-layout td, 
  #shuttle-layout tr { 
    display: block; 
  }
  
  /* ヘッダー行を非表示にする */
  #shuttle-layout thead tr { 
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  #shuttle-layout tr { 
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    background-color: #FFFFFF;
    box-shadow: var(--shadow-sm);
    padding: 10px;
  }
  
  #shuttle-layout td { 
    border: none;
    position: relative;
    padding: 8px 10px 8px 120px !important; 
    text-align: left;
    border-bottom: 1px dashed var(--color-border);
  }
  
  #shuttle-layout td:last-child {
    border-bottom: none;
  }
  
  /* セルの前にラベルを設定する */
  #shuttle-layout td:before { 
    position: absolute;
    top: 8px;
    left: 10px;
    width: 100px; 
    padding-right: 10px; 
    white-space: nowrap;
    font-weight: bold;
    color: var(--color-primary-dark);
  }
  
  /* 各列のラベルテキスト */
  #shuttle-layout td:nth-of-type(1):before { content: "氏名"; }
  #shuttle-layout td:nth-of-type(2):before { content: "参加日"; }
  #shuttle-layout td:nth-of-type(3):before { content: "コース"; }
  #shuttle-layout td:nth-of-type(4):before { content: "乗車場所"; }
  #shuttle-layout td:nth-of-type(5):before { content: "降車場所"; }
  #shuttle-layout td:nth-of-type(6):before { content: "写真"; }
  #shuttle-layout td:nth-of-type(7):before { content: "確認状況"; }
  #shuttle-layout td:nth-of-type(8):before { content: "操作"; }
  #shuttle-layout td:nth-of-type(9):before { content: "最終更新"; }
}

/* --- モーダル（送迎登録）スタイル --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-fast);
}

.modal-card {
  background-color: var(--color-card-bg);
  width: 90%;
  max-width: 550px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp var(--transition-fast);
}

.modal-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close-x {
  background: none;
  border: none;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--color-primary-dark);
  transition: var(--transition-fast);
}

.modal-close-x:hover {
  transform: scale(1.1);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 15px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: #FAFCFF;
}

/* 画像プレビューグリッド */
.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.photo-preview-item {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.photo-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.existing-photos-area {
  margin-top: 15px;
  border-top: 1px dashed var(--color-border);
  padding-top: 15px;
}

/* --- ホーム画面追加ガイドのアコーディオン --- */
.home-guide-accordion {
  margin-top: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
}

.accordion-header {
  width: 100%;
  padding: 12px 16px;
  background: #FFFFFF;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  outline: none;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-primary-light);
}

.accordion-icon {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
  display: inline-block;
}

.home-guide-accordion.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  border-top: 1px solid var(--color-border);
  background-color: #FFFFFF;
  padding: 15px;
  animation: fadeIn var(--transition-fast);
}

.guide-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.tab-btn {
  flex: 1;
  padding: 8px;
  background: var(--color-primary-light);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.guide-list {
  padding-left: 20px;
  font-size: 0.8rem;
  color: var(--color-text);
  line-height: 1.6;
}

.guide-list li {
  margin-bottom: 8px;
}

.guide-list li:last-child {
  margin-bottom: 0;
}

.guide-icon {
  font-size: 0.95rem;
  vertical-align: middle;
}

/* --- ハコモノ登録案内バナー --- */
.hakomono-banner-card {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 15px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: slideUp var(--transition-normal);
}

.hakomono-banner-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.banner-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.banner-badge {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
  width: fit-content;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(255, 107, 53, 0.3);
}

.banner-header h4 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.banner-body p {
  font-size: 0.8rem;
  opacity: 0.9;
  line-height: 1.5;
}

.banner-btn {
  margin-top: 4px;
  font-size: 0.85rem;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  background-color: var(--color-accent) !important;
  color: #FFFFFF !important;
}

.banner-btn:hover {
  background-color: var(--color-accent-hover) !important;
  transform: translateY(-1px);
}

/* --- 今回追加された視認性向上用スタイル --- */

/* リスト内バスバッジ */
.shuttle-list-badge {
  font-size: 0.7rem;
  background-color: #EBF8FF;
  color: #2B6CB0;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  border: 1px solid #BEE3F8;
  vertical-align: middle;
}

/* 要返信（未対応）のアイテムスタイル */
.applicant-list-item.needs-reply-item {
  border-left: 5px solid var(--color-danger) !important;
  background-color: #FFF5F5;
}
.applicant-list-item.needs-reply-item:hover {
  background-color: #FFF0F0;
}
.applicant-list-item.needs-reply-item.active {
  background-color: #FFEBEB;
  border-left: 5px solid var(--color-danger) !important;
}

/* --- 保護者ページ情報欄アコーディオン用スタイル --- */
.applicant-info-card.collapsible-card {
  padding: 0;
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.collapsible-card .card-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  background-color: var(--color-card-bg);
  transition: background-color var(--transition-fast);
}

.collapsible-card .card-header:hover {
  background-color: #FAFCFF;
}

/* バス用カードのホバー背景色調整 */
#shuttle-accordion.collapsible-card .card-header:hover {
  background-color: #FFF9F6;
}

.collapsible-card .accordion-arrow {
  font-size: 0.8rem;
  transition: transform var(--transition-fast);
  color: var(--color-text-light);
  display: inline-block;
}

.collapsible-card.open .accordion-arrow {
  transform: rotate(180deg);
}

.collapsible-card .card-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, opacity 0.25s ease-out, padding-bottom 0.35s ease-out;
  padding: 0 20px;
}

.collapsible-card.open .card-content {
  max-height: 1500px; /* 十分な高さ */
  opacity: 1;
  padding-bottom: 20px;
  border-top: 1px solid var(--color-border);
}

/* --- 今回追加された保護者ページチャット画面最大化スタイル --- */

/* アニメーション用の遷移設定 */
.hakomono-banner-card,
.applicant-info-card,
.chat-container {
  transition: max-height var(--transition-normal), opacity var(--transition-normal), margin var(--transition-normal), padding var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal), border-radius var(--transition-normal), height var(--transition-normal);
}

.app-header {
  transition: transform var(--transition-normal);
}

/* 最大化された状態 */
body.chat-maximized {
  overflow: hidden; /* ページ全体のスクロールを抑止 */
}

/* ヘッダーを上部に隠す */
body.chat-maximized .app-header {
  transform: translateY(-100%);
  position: absolute;
  width: 100%;
  z-index: 100;
}

/* コンテナを画面いっぱいに広げる */
body.chat-maximized .parent-container {
  margin: 0 !important;
  padding: 0 !important;
  max-width: 100% !important;
  height: 100vh !important;
  display: flex;
  flex-direction: column;
}

/* バナー、カード類をスムーズに非表示 */
body.chat-maximized .hakomono-banner-card,
body.chat-maximized #info-accordion,
body.chat-maximized #shuttle-accordion,
body.chat-maximized #shuttle-always-visible {
  max-height: 0 !important;
  opacity: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  padding: 0 !important;
  border-width: 0 !important;
  border-color: transparent !important;
  overflow: hidden;
  pointer-events: none;
}

/* チャットコンテナを画面全高にフィット */
body.chat-maximized .chat-container {
  height: 100vh !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  margin: 0 !important;
  flex: 1;
}

body.chat-maximized .chat-messages {
  background-color: #FFFFFF; /* 全画面時はよりすっきりした白背景に */
}

/* 復元ボタンのフェードイン */
.btn-restore {
  animation: fadeIn var(--transition-fast);
}

/* ==================== 管理画面：一覧のみモード（PC/SP共通＆レスポンシブ） ==================== */

/* PC版（769px以上）でのレイアウト切り替え */
@media (min-width: 769px) {
  /* 一覧のみモードの時、一覧を全幅にし、詳細を隠す */
  .admin-container.list-only-mode .admin-list-panel {
    width: 100% !important;
  }
  .admin-container.list-only-mode .admin-detail-panel {
    display: none !important;
  }
  
  /* 一覧のみモードの時は戻るボタンを非表示、詳細モードの時は表示 */
  .admin-container.list-only-mode .btn-back {
    display: none !important;
  }
  .btn-back {
    display: inline-flex;
    margin-right: 10px;
  }

  /* テーブルヘッダーとリストアイテムのグリッド定義 */
  .applicant-list-header,
  .admin-container.list-only-mode .applicant-list-item {
    display: grid !important;
    grid-template-areas: "reg name course status msg time" !important;
    grid-template-columns: 140px 200px 220px 130px 1fr 130px !important;
    align-items: center;
    gap: 15px;
  }

  .applicant-list-header {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: bold;
    font-size: 0.85rem;
    padding: 12px 15px;
    border-bottom: 2px solid var(--color-border);
    flex-shrink: 0;
    display: grid;
  }

  .admin-container.list-only-mode .applicant-list-item {
    padding: 12px 15px;
  }

  .admin-container.list-only-mode .col-time {
    text-align: left !important;
  }
}

/* 通常モード（サイドバー表示）及びスマホ表示（768px以下）時のグリッドレイアウト */
.applicant-list-item {
  display: grid;
  grid-template-areas:
    "name status"
    "course course"
    "msg msg"
    "reg time";
  grid-template-columns: 1fr auto;
  gap: 6px;
  padding: 15px;
}

/* 各グリッドエリアの割り当て */
.col-reg {
  grid-area: reg;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.col-name {
  grid-area: name;
  display: flex;
  flex-direction: column;
}

.col-course {
  grid-area: course;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.col-status {
  grid-area: status;
  justify-self: end;
  align-self: center;
}

.col-message {
  grid-area: msg;
  font-size: 0.8rem;
  color: var(--color-text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.col-time {
  grid-area: time;
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-align: right;
}

/* 全幅表示以外の時（サイドバーやスマホ）、テーブルヘッダーは非表示 */
.applicant-list-header {
  display: none;
}

/* テーブル表示での学年表示調整 */
.item-grade {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: normal;
}

/* --- 関連するお申し込み・兄弟表示用スタイル --- */

/* リスト内兄弟バッジ */
.sibling-badge {
  font-size: 0.7rem;
  background-color: #FAF5FF;
  color: #6B46C1;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  border: 1px solid #E9D8FD;
  vertical-align: middle;
}

/* リスト内複数申込バッジ */
.multiple-season-badge {
  font-size: 0.7rem;
  background-color: #FFFAF0;
  color: #DD6B20;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  border: 1px solid #FEEBC8;
  vertical-align: middle;
}

/* 関連お申し込みリスト（右ペイン） */
.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 5px;
}

.related-item-link {
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.related-item-link:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.related-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.related-item-name {
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--color-primary-dark);
}

.related-item-season {
  font-size: 0.7rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: bold;
}

.related-item-season.archived-season {
  background-color: #E2E8F0;
  color: #4A5568;
}

.related-item-course {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 切り替えフェードインアニメーション */
.fade-in-element {
  animation: detailFadeIn 0.35s ease-out;
}

@keyframes detailFadeIn {
  from {
    opacity: 0.85;
    transform: translateY(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 一般申込フォーム専用プレミアムデザイン ==================== */
.register-body {
  background: radial-gradient(circle at 10% 20%, rgba(240, 244, 248, 1) 0%, rgba(225, 235, 245, 1) 90.1%);
}

.classroom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 15px;
  margin-top: 8px;
}

.classroom-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: center;
  cursor: pointer;
  background-color: #FFFFFF;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.classroom-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.classroom-card.selected {
  border-color: var(--color-primary);
  background-color: #F0F7FF;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
}

.classroom-card.selected::after {
  content: '✓';
  position: absolute;
  top: 10px;
  right: 12px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}

.classroom-name {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.classroom-desc {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* フォーム完了画面のチェックアニメーション */
.success-icon {
  width: 80px;
  height: 80px;
  background-color: #E6FFFA;
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 3rem;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(49, 151, 149, 0.15);
  animation: scaleUpCheck 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleUpCheck {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* --- 兄弟同時申込 & 写真アップロード用追加スタイル --- */
.student-card {
  position: relative;
  transition: all var(--transition-fast);
}
.student-card:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary-light) !important;
}
.btn-remove-student {
  background-color: #FED7D7 !important;
  color: #C53030 !important;
  border: 1px solid #FEB2B2 !important;
  font-weight: bold;
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: auto !important;
  transition: background-color var(--transition-fast);
}
.btn-remove-student:hover {
  background-color: #FEB2B2 !important;
}

/* 生徒切り替えタブ */
.student-tab-btn {
  background-color: #E2E8F0;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.student-tab-btn:hover {
  background-color: #CBD5E0;
}
.student-tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

/* 写真プレビュー削除ボタン */
#btn-remove-shuttle-photo:hover {
  background: rgba(0,0,0,0.8) !important;
  transform: scale(1.1);
}

/* --- 日程別受講管理（スケジュール）用追加スタイル --- */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table th, 
.schedule-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--color-border);
}

.schedule-table tbody tr.sched-date-row {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.schedule-table tbody tr.sched-date-row:hover {
  background-color: #F8FAFD;
}

/* アコーディオンの中身が入る行 */
.sched-detail-row {
  background-color: #FAFBFD;
}

.sched-detail-row td {
  padding: 15px 25px !important;
  border-bottom: 2px solid var(--color-primary-light);
}

/* 受講者名簿カードの並び */
.sched-student-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 5px;
}

.sched-student-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.sched-student-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  border-color: var(--color-primary-light);
}

.sched-student-name-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
}

.sched-student-name-link:hover {
  color: var(--color-primary-dark);
}

.sched-student-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

.sched-student-badges {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

/* アコーディオンの開閉矢印アニメーション用 */
.sched-arrow-icon {
  display: inline-block;
  transition: transform var(--transition-fast);
}
tr.sched-date-row.open .sched-arrow-icon {
  transform: rotate(90deg);
}