/* =============================================================
   admin.css — 管理画面デザインシステム
   ユーザーアプリの緑系デザインに統一 / サイドバー型 / 明るいグレー地＋緑アクセント
   すべて .admin-page 配下にスコープして style.css を上書きする。
   （header.php で style.css の後に読み込む）
   ============================================================= */

:root {
  --admin-primary: #2EB298;
  --admin-primary-hover: #249C84;
  --admin-primary-soft: #e8f5f1;
  --admin-primary-softer: #f2faf7;
  --admin-bg: #f5f7f9;
  --admin-surface: #ffffff;
  --admin-text: #2c3e50;
  --admin-text-sub: #667080;
  --admin-text-muted: #97a2b0;
  --admin-border: #e5e9ee;
  --admin-border-input: #dfe4ea;
  --admin-danger: #e74c3c;
  --admin-danger-hover: #d84636;
  --admin-warning: #f0993e;
  --admin-success-bg: #e4f5ee;
  --admin-success-text: #1c7a56;
  --admin-error-bg: #fdecea;
  --admin-error-text: #c0392b;
  --admin-radius-card: 18px;
  --admin-radius-sm: 12px;
  --admin-radius-input: 10px;
  --admin-shadow-card: 0 4px 16px rgba(17, 38, 60, .05);
  --admin-shadow-pop: 0 10px 30px rgba(17, 38, 60, .14);
  --admin-sidebar-w: 248px;
  --admin-topbar-h: 64px;
  --admin-font: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ---------- Base ---------- */
body.admin-page {
  margin: 0;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: var(--admin-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.admin-page *, .admin-page *::before, .admin-page *::after { box-sizing: border-box; }
.admin-page a { color: var(--admin-primary); }

/* ---------- Layout ---------- */
.admin-page .admin-layout { display: flex; min-height: 100vh; }

.admin-page .admin-sidebar {
  width: var(--admin-sidebar-w);
  flex-shrink: 0;
  background: var(--admin-surface);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  overflow-y: auto;
}
.admin-page .admin-main {
  flex: 1;
  min-width: 0;
  margin-left: var(--admin-sidebar-w);
  display: flex;
  flex-direction: column;
}

/* ---------- Sidebar ---------- */
.admin-page .sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--admin-border);
  min-height: var(--admin-topbar-h);
}
.admin-page .sidebar-brand img { height: 30px; width: auto; }
.admin-page .sidebar-brand .brand-text {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--admin-text);
  letter-spacing: .01em;
}
.admin-page .sidebar-brand .brand-badge {
  font-size: .62rem;
  font-weight: 700;
  color: var(--admin-primary);
  background: var(--admin-primary-soft);
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: auto;
}

.admin-page .sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 12px;
  flex: 1;
}
.admin-page .sidebar-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px;
  border-radius: 11px;
  color: var(--admin-text-sub);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
  transition: background-color .15s, color .15s;
  white-space: nowrap;
}
.admin-page .sidebar-link svg { width: 20px; height: 20px; flex-shrink: 0; fill: currentColor; opacity: .9; }
.admin-page .sidebar-link:hover { background: var(--admin-primary-softer); color: var(--admin-text); }
.admin-page .sidebar-link.active { background: var(--admin-primary-soft); color: var(--admin-primary-hover); }
.admin-page .sidebar-link.active svg { opacity: 1; }

.admin-page .sidebar-footer {
  margin-top: auto;
  padding: 14px 16px 18px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.admin-page .sidebar-user { display: flex; flex-direction: column; gap: 1px; margin-bottom: 4px; }
.admin-page .sidebar-user-name { font-weight: 700; font-size: .92rem; color: var(--admin-text); }
.admin-page .sidebar-user-role {
  font-size: .68rem;
  font-weight: 600;
  color: var(--admin-primary);
  background: var(--admin-primary-soft);
  align-self: flex-start;
  padding: 1px 8px;
  border-radius: 999px;
}
.admin-page .sidebar-sublink {
  font-size: .85rem;
  color: var(--admin-text-sub);
  text-decoration: none;
  padding: 6px 0;
}
.admin-page .sidebar-sublink:hover { color: var(--admin-primary); }
.admin-page .sidebar-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 10px;
  background: #f1f4f7;
  color: #5b6b7b;
  font-weight: 600;
  font-size: .85rem;
  text-decoration: none;
  transition: background-color .15s;
}
.admin-page .sidebar-logout:hover { background: #e6ebf0; color: var(--admin-text); }

/* ---------- Topbar ---------- */
.admin-page .admin-topbar {
  background: var(--admin-surface);
  color: var(--admin-text);
  min-height: var(--admin-topbar-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--admin-border);
  box-shadow: none;
  position: sticky;
  top: 0;
  z-index: 150;
}
.admin-page .admin-topbar .topbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  color: var(--admin-text);
}
.admin-page .admin-topbar .topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* ハンバーガー（モバイルのみ表示） */
.admin-page .hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  cursor: pointer;
}
.admin-page .hamburger-btn span {
  display: block; height: 2px; width: 100%;
  background: var(--admin-text); border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.admin-page .hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.admin-page .hamburger-btn.open span:nth-child(2) { opacity: 0; }
.admin-page .hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* サイドバー用バックドロップ（モバイル） */
.admin-page .sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(17, 38, 60, .38);
  z-index: 190;
}
.admin-page .sidebar-backdrop.show { display: block; }

/* ---------- Content ---------- */
.admin-page .admin-content { flex: 1; padding: 26px 24px 64px; }
.admin-page .container { max-width: 1120px; margin: 0 auto; padding: 0; width: 100%; }

/* 未ログイン（ログイン/パスワードリセット）用の中央寄せ */
.admin-page.admin-auth { display: flex; }
.admin-page.admin-auth .admin-content { display: flex; align-items: flex-start; justify-content: center; padding-top: 8vh; }
.admin-page.admin-auth .container { max-width: 420px; }

/* ---------- 見出し ---------- */
.admin-page h1, .admin-page h2, .admin-page h3 { color: var(--admin-text); }
.admin-page .admin-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--admin-border);
  text-align: left;
}
.admin-page .admin-content h3 { font-size: 1.1rem; font-weight: 700; text-align: left; border-bottom: none; }

/* ---------- カード / コンテナ ---------- */
.admin-page .card,
.admin-page .form-container,
.admin-page .table-responsive,
.admin-page .tab-container,
.admin-page .user-filter-form {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-card);
  box-shadow: var(--admin-shadow-card);
}
.admin-page .card,
.admin-page .form-container,
.admin-page .user-filter-form { padding: 24px; margin-bottom: 22px; }
.admin-page .table-responsive { padding: 6px; margin-bottom: 22px; overflow-x: auto; }

/* ---------- ダッシュボードのサマリーカード ---------- */
.admin-page .dashboard-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}
.admin-page .summary-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-card);
  box-shadow: var(--admin-shadow-card);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-page .summary-card-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--admin-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-page .summary-card-icon svg { width: 26px; height: 26px; fill: var(--admin-primary); }
.admin-page .summary-card-body { min-width: 0; }
.admin-page .summary-card h4,
.admin-page .summary-card h3,
.admin-page .summary-card .summary-title { font-size: .88rem; font-weight: 600; color: var(--admin-text-sub); margin: 0 0 4px; }
.admin-page .summary-card p,
.admin-page .summary-card .summary-value { font-size: 1.8rem; font-weight: 700; color: var(--admin-text); margin: 0; line-height: 1.15; }

/* ---------- フォーム（余白バグ修正含む） ---------- */
.admin-page .form-group { margin-bottom: 20px; }
.admin-page form { margin-top: 0; }
.admin-page form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--admin-text);
  text-align: left;
}
.admin-page form input[type="text"],
.admin-page form input[type="email"],
.admin-page form input[type="password"],
.admin-page form input[type="number"],
.admin-page form input[type="date"],
.admin-page form input[type="search"],
.admin-page form input[type="tel"],
.admin-page form select,
.admin-page form textarea {
  width: 100%;
  padding: 11px 12px;
  margin-top: 0;
  border: 1px solid var(--admin-border-input);
  border-radius: var(--admin-radius-input);
  font-size: .95rem;
  font-family: inherit;
  color: var(--admin-text);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.admin-page form textarea { min-height: 110px; resize: vertical; }
.admin-page form input:focus,
.admin-page form select:focus,
.admin-page form textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(46, 178, 152, .15);
}
.admin-page form input::placeholder,
.admin-page form textarea::placeholder { color: var(--admin-text-muted); }

/* ---------- ボタン ---------- */
.admin-page button[type="submit"],
.admin-page input[type="submit"],
.admin-page .button-primary,
.admin-page .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 20px;
  background: var(--admin-primary);
  color: #fff;
  border: 1px solid var(--admin-primary);
  border-radius: var(--admin-radius-input);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, border-color .15s, box-shadow .15s;
}
.admin-page button[type="submit"]:hover,
.admin-page input[type="submit"]:hover,
.admin-page .button-primary:hover,
.admin-page .btn-primary:hover { background: var(--admin-primary-hover); border-color: var(--admin-primary-hover); }
.admin-page button[type="submit"]:disabled,
.admin-page button:disabled { background: #c3ccd6; border-color: #c3ccd6; cursor: not-allowed; }

.admin-page .button-secondary,
.admin-page .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  background: #fff;
  color: var(--admin-primary-hover) !important; /* style.css の .button-secondary{color:white !important} を上書き */
  border: 1px solid var(--admin-primary);
  border-radius: var(--admin-radius-input);
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 0;
  transition: background-color .15s;
}
.admin-page .button-secondary:hover,
.admin-page .button-link:hover { background: var(--admin-primary-soft); color: var(--admin-primary-hover) !important; }
.admin-page .button-secondary:disabled,
.admin-page .button-secondary[disabled] { background: #f1f4f7; color: #aab3bd; border-color: var(--admin-border); cursor: not-allowed; }

.admin-page .button-danger,
.admin-page .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--admin-danger);
  color: #fff;
  border: 1px solid var(--admin-danger);
  border-radius: var(--admin-radius-input);
  font-family: inherit;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s;
}
.admin-page .button-danger:hover, .admin-page .btn-danger:hover { background: var(--admin-danger-hover); border-color: var(--admin-danger-hover); }

/* 小さめの補助ボタン（パスワード表示トグル等） */
.admin-page .toggle-password-button {
  background: #f1f4f7;
  border: 1px solid var(--admin-border);
  color: #5b6b7b;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
}
.admin-page .toggle-password-button:hover { background: #e6ebf0; }

.admin-page .form-actions { display: flex; gap: 12px; align-items: center; margin-top: 24px; flex-wrap: wrap; }

/* ---------- フィルタフォーム（ダッシュボード等の横並び） ---------- */
.admin-page .user-filter-form { background: var(--admin-surface); }
.admin-page .filter-form-content,
.admin-page .user-filter-form form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}
.admin-page .form-group-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
}
.admin-page .form-group-inline label {
  margin-bottom: 0;
  white-space: nowrap;
  font-size: .88rem;
  color: var(--admin-text-sub);
}
.admin-page .form-group-inline input,
.admin-page .form-group-inline select { width: auto; margin-top: 0; }
.admin-page .button-icon { gap: 7px; }
.admin-page .button-icon svg { width: 17px; height: 17px; fill: currentColor; }

/* ---------- テーブル ---------- */
.admin-page table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: transparent;
  font-size: .92rem;
}
.admin-page table th {
  text-align: left;
  font-weight: 600;
  font-size: .8rem;
  color: var(--admin-text-sub);
  background: #f7f9fb;
  padding: 12px 14px;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}
.admin-page table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-text);
  vertical-align: middle;
}
.admin-page table tbody tr:last-child td { border-bottom: none; }
.admin-page table tbody tr { transition: background-color .12s; }
.admin-page table tbody tr:hover { background: var(--admin-primary-softer); }
.admin-page table th:first-child { border-top-left-radius: 12px; }
.admin-page table th:last-child { border-top-right-radius: 12px; }

/* ---------- タブ ---------- */
.admin-page .tab-container { padding: 6px; margin-bottom: 22px; }
.admin-page .tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--admin-border);
  padding: 6px 6px 0;
  flex-wrap: wrap;
}
.admin-page .tab-nav a,
.admin-page .tab-nav button,
.admin-page .tab-link {
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--admin-text-sub);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
}
.admin-page .tab-nav a.active,
.admin-page .tab-nav button.active,
.admin-page .tab-link.active { color: var(--admin-primary-hover); border-bottom-color: var(--admin-primary); }

/* ---------- バッジ / メッセージ ---------- */
.admin-page .badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  background: var(--admin-primary-soft);
  color: var(--admin-primary-hover);
}
.admin-page .message-success,
.admin-page .alert-success {
  background: var(--admin-success-bg);
  color: var(--admin-success-text);
  border: 1px solid #bfe6d6;
  border-radius: var(--admin-radius-sm);
  padding: 13px 16px;
  margin-bottom: 20px;
  font-weight: 600;
}
.admin-page .message-error,
.admin-page .alert-error,
.admin-page .alert-danger {
  background: var(--admin-error-bg);
  color: var(--admin-error-text);
  border: 1px solid #f3c9c4;
  border-radius: var(--admin-radius-sm);
  padding: 13px 16px;
  margin-bottom: 20px;
  font-weight: 600;
}

/* ---------- 通知ドロップダウン ---------- */
.admin-page .notification-area { position: relative; }
.admin-page .notification-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  color: var(--admin-primary);
  cursor: pointer;
  transition: background-color .15s;
}
.admin-page .notification-bell:hover { background: var(--admin-primary-softer); }
.admin-page .notification-bell .bell-icon { width: 22px; height: 22px; }
.admin-page .notification-badge {
  position: absolute; top: -4px; right: -4px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  background: var(--admin-danger);
  color: #fff;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
}
.admin-page .notification-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 340px;
  max-width: 88vw;
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  box-shadow: var(--admin-shadow-pop);
  overflow: hidden;
  z-index: 300;
}
.admin-page .notification-dropdown.show { display: block; }
.admin-page .notification-header { padding: 14px 18px; border-bottom: 1px solid var(--admin-border); }
.admin-page .notification-header h3 { margin: 0; font-size: 1rem; font-weight: 700; }
.admin-page .notification-body { max-height: 360px; overflow-y: auto; }
.admin-page .notification-body ul { list-style: none; margin: 0; padding: 0; }
.admin-page .notification-item-link {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 18px;
  border-bottom: 1px solid #f0f2f5;
  text-decoration: none;
  color: var(--admin-text);
}
.admin-page .notification-item-link:hover { background: var(--admin-primary-softer); }
.admin-page .notification-message { font-size: .88rem; }
.admin-page .notification-time { font-size: .72rem; color: var(--admin-text-muted); }
.admin-page .no-notifications-item { padding: 22px 18px; text-align: center; color: var(--admin-text-muted); font-size: .88rem; }
.admin-page .notification-footer {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--admin-border);
  background: #fafbfc;
}
.admin-page .notification-footer a { font-size: .82rem; font-weight: 600; text-decoration: none; }

/* ---------- フッター（style.css の dark footer / width:100% を上書き） ---------- */
body.admin-page footer {
  background: transparent;
  text-align: center;
  color: var(--admin-text-muted);
  font-size: .8rem;
  padding: 18px 20px;
  margin-top: auto;
  margin-left: var(--admin-sidebar-w);
  width: auto;
}
body.admin-page.admin-auth footer { margin-left: 0; }

/* ---------- レスポンシブ（モバイル: サイドバー→ドロワー） ---------- */
@media (max-width: 860px) {
  .admin-page .admin-sidebar {
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: var(--admin-shadow-pop);
  }
  .admin-page .admin-sidebar.open { transform: translateX(0); }
  .admin-page .admin-main { margin-left: 0; }
  .admin-page .hamburger-btn { display: flex; }
  body.admin-page footer { margin-left: 0; }
  .admin-page .admin-content { padding: 18px 16px 56px; }
}

/* 一覧の「削除」はリンクではなく POST フォームのボタン（リンクを踏むだけで消えないようにするため）。
   見た目は隣の「編集」リンクに揃える（.admin-page button[type="submit"] の緑ボタンより優先させる） */
.admin-page button[type="submit"].link-button,
.admin-page .link-button {
  display: inline;
  background: none;
  border: 0;
  border-radius: 0;
  padding: 0;
  margin: 0;
  min-height: 0;
  box-shadow: none;
  font: inherit;
  color: var(--admin-primary-hover, #007bff);
  cursor: pointer;
}
.admin-page button[type="submit"].link-button:hover,
.admin-page .link-button:hover { background: none; text-decoration: underline; }