/* ============================================
 * COCORO CHOICE 管理システム - メインスタイルシート
 * ============================================ */

/* --- CSS変数（テーマ設定） --- */
:root {
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #4338ca;
  --secondary: #64748b;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-sidebar: #1e293b;
  --bg-sidebar-hover: #334155;
  --bg-sidebar-active: #4f46e5;

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-sidebar: #cbd5e1;
  --text-sidebar-active: #ffffff;

  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

  --sidebar-width: 260px;
  --header-height: 60px;
  --radius: 8px;
  --transition: all 0.2s ease;
}

/* ダークテーマ */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;

  --border-color: #334155;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* --- リセット --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* iOS Safari で body だけだと overflow-x: hidden が効かない場合があるため html にも適用 */
html {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, 'Noto Sans JP', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 14px;
  overflow-x: hidden;
  width: 100%;
}

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

a:hover {
  text-decoration: underline;
}

/* --- レイアウト --- */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* --- サイドバー --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-brand {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand h2 {
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.sidebar-brand .brand-sub {
  font-size: 11px;
  color: var(--text-sidebar);
  margin-top: 4px;
}

.sidebar-section {
  padding: 15px 0 5px;
}

.sidebar-section-title {
  padding: 0 20px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 5px;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: var(--text-sidebar);
  text-decoration: none;
  transition: var(--transition);
  font-size: 13px;
}

.sidebar-menu a:hover {
  background: var(--bg-sidebar-hover);
  color: #ffffff;
  text-decoration: none;
}

.sidebar-menu a.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
}

.sidebar-menu a svg,
.sidebar-menu a .menu-icon {
  width: 18px;
  height: 18px;
  margin-right: 10px;
  flex-shrink: 0;
}

/* --- メインコンテンツ --- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: var(--transition);
  /* flex子の min-width を 0 にし、テーブル等が幅を超えても親が膨らまないようにする */
  min-width: 0;
}

/* --- ヘッダー --- */
.header {
  background: var(--bg-secondary);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-left h1 {
  font-size: 18px;
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-primary);
}

.sidebar-toggle svg {
  width: 24px;
  height: 24px;
}

/* テーマ切替ボタン */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-primary);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
}

/* ユーザー情報 */
.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius);
  background: var(--bg-primary);
  font-size: 13px;
}

.user-info svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

/* --- ページコンテンツ --- */
.page-content {
  padding: 24px;
}

/* --- カード --- */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* タイトル+ボタンが画面幅を超えた時に折り返す */
  flex-wrap: wrap;
  gap: 12px;
}

.card-header h2,
.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

/* --- テーブル --- */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  white-space: nowrap;
}

.data-table th {
  background: var(--bg-primary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
  background: rgba(79, 70, 229, 0.04);
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-center {
  text-align: center;
}

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.5;
}

.btn:hover {
  text-decoration: none;
}

.btn svg {
  width: 16px;
  height: 16px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-success {
  background: var(--success);
  color: #ffffff;
}

.btn-success:hover {
  background: #16a34a;
  color: #ffffff;
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: #dc2626;
  color: #ffffff;
}

.btn-warning {
  background: var(--warning);
  color: #ffffff;
}

.btn-warning:hover {
  background: #d97706;
  color: #ffffff;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ボタングループ */
.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- フォーム --- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-group label .required {
  color: var(--danger);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
  color: var(--text-secondary);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* 検索フォーム */
.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-form .form-control {
  max-width: 300px;
}

/* --- バッジ / ステータス --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-primary {
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
}

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.badge-secondary {
  background: rgba(100, 116, 139, 0.1);
  color: var(--secondary);
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.badge-gray {
  background: rgba(148, 163, 184, 0.15);
  color: #64748b;
}

/* --- アラート / メッセージ --- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* --- ページネーション --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 20px;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.page-btn:hover {
  background: var(--bg-primary);
  text-decoration: none;
}

.page-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.page-btn.disabled {
  color: var(--text-secondary);
  pointer-events: none;
  opacity: 0.5;
}

.page-ellipsis {
  padding: 0 4px;
  color: var(--text-secondary);
}

/* --- 統計カード --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  margin: 4px 0;
  color: var(--text-primary);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

/* --- モーダル --- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* --- ユーティリティ --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-secondary); }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mr-1 { margin-right: 4px; }
.mr-2 { margin-right: 8px; }
.ml-1 { margin-left: 4px; }
.ml-2 { margin-left: 8px; }

.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }

.w-100 { width: 100%; }
.w-50 { width: 50%; }

.overflow-hidden { overflow: hidden; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- ログインページ --- */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
  padding: 24px;
}

.login-box {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.login-box h1 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--primary);
}

.login-box .login-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 32px;
}

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

.login-box .btn {
  margin-top: 8px;
}

/* --- レスポンシブ --- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: block;
  }

  .header {
    padding: 0 16px;
  }

  .header-left h1 {
    font-size: 15px;
  }

  .page-content {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* カード周りの余白を縮め画面幅に合わせる */
  .card-header {
    padding: 12px 16px;
  }

  .card-header h2,
  .card-header h3 {
    font-size: 14px;
  }

  .card-body {
    padding: 16px;
  }

  /* 検索フォームを2列グリッド化（狭画面で操作しやすく） */
  .search-form {
    gap: 6px;
  }

  .search-form .form-control {
    max-width: 100% !important;
    flex: 1 1 calc(50% - 6px);
  }

  /* ボタンはラベル中心に縮める */
  .btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  .btn-sm {
    padding: 6px 8px;
    font-size: 11px;
  }

  .btn-group {
    gap: 4px;
  }

  /* テーブルの密度を高くする */
  .data-table th,
  .data-table td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* ページネーションは折り返し */
  .pagination {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-box {
    padding: 24px;
  }

  .btn-group {
    flex-direction: column;
  }

  /* 検索フォームは完全に1列化 */
  .search-form .form-control {
    flex: 1 1 100%;
  }
}

/* --- 印刷 --- */
@media print {
  .sidebar,
  .header,
  .btn,
  .pagination,
  .search-form {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .page-content {
    padding: 0;
  }

  .card {
    border: none;
    box-shadow: none;
  }
}

/* ============================================
 * ログイン画面
 * ============================================ */
.login-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--bg-primary);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header .brand-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.login-card .form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.login-card .btn-primary:hover {
  background: var(--primary-dark) !important;
}

@media (max-width: 480px) {
  .login-card {
    padding: 24px;
  }
}