/* ==============================
   カラーパレット・変数
   ============================== */
:root {
  --color-primary:    #4f46e5;
  --color-primary-h:  #4338ca;
  --color-danger:     #e11d48;
  --color-danger-h:   #be123c;
  --color-success:    #16a34a;
  --color-surface:    #ffffff;
  --color-bg:         #f8fafc;
  --color-border:     #e2e8f0;
  --color-text:       #0f172a;
  --color-muted:      #64748b;
  --radius-md:        10px;
  --radius-lg:        16px;
  --shadow-sm:        0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:        0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:        0 8px 32px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
  --status-color:     #e2e8f0;
}

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

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

/* ==============================
   ステータスウィジェット
   ============================== */
.status-widget {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 5px solid var(--status-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.status-widget .status-icon {
  font-size: 1.8rem;
  line-height: 1;
  flex-shrink: 0;
}

.status-widget .status-label {
  font-size: 1.1rem;
  font-weight: 600;
}

.status-widget .status-msg {
  font-size: .9rem;
  color: var(--color-muted);
  margin-top: 2px;
}

/* ==============================
   訪問者向けフロントエンド
   ============================== */
.front-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* サイトヘッダー（タイトル・説明文） */
.site-header {
  margin-bottom: 20px;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 6px;
}

.site-description {
  font-size: .95rem;
  color: var(--color-muted);
  line-height: 1.7;
}

#calendar-container {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 16px;
}

/* カレンダー凡例 */
.cal-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 14px 4px 4px;
  margin-top: 12px;
  border-top: 1px solid var(--color-border);
}

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

.cal-legend-chip {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.cal-legend-name {
  font-size: .82rem;
  color: var(--color-muted);
}

/* FullCalendar上書き */
.fc .fc-button-primary {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  font-size: .85rem !important;
  padding: 5px 10px !important;
}
.fc .fc-button-primary:hover {
  background-color: var(--color-primary-h) !important;
  border-color: var(--color-primary-h) !important;
}
.fc .fc-button-primary:not(:disabled).fc-button-active {
  background-color: var(--color-primary-h) !important;
  border-color: var(--color-primary-h) !important;
}

/* リストビュー：予定の見やすさ改善 */
.fc-list-event-title { font-size: .95rem !important; }
.fc-list-event-dot   { border-width: 8px !important; }
.fc-list-day-cushion { background: var(--color-bg) !important; padding: 6px 14px !important; }
.fc-list-day-text,
.fc-list-day-side-text { font-size: .85rem !important; font-weight: 700 !important; color: var(--color-primary) !important; }
.fc-list-event:hover td { background: #f1f5f9 !important; }
.fc-list-event td { padding: 10px 14px !important; }

/* 月ビュー：イベントブロックの視認性 */
.fc-daygrid-event { font-size: .78rem !important; padding: 2px 4px !important; border-radius: 4px !important; }
.fc-daygrid-dot-event .fc-event-title { font-size: .78rem !important; }

/* ==============================
   管理画面共通
   ============================== */
.admin-body {
  background: var(--color-bg);
  min-height: 100vh;
}

.admin-header {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(79,70,229,.3);
}

.admin-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.admin-nav a {
  color: rgba(255,255,255,.85);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: .9rem;
  transition: background .15s;
}
.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  text-decoration: none;
}

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* カード */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px 28px 24px;
  margin-bottom: 28px;
  border: 1px solid rgba(226,232,240,.6);
}

.card h2 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.card-head h2 {
  margin: 0;
  padding: 0;
  border: none;
}

/* フォームセクション */
.form-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.form-section h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

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

.form-group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

.form-group input[type="color"] {
  width: 60px;
  height: 44px;
  padding: 2px 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.hint {
  display: block;
  font-size: .8rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.required { color: var(--color-danger); }

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: none;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, box-shadow .15s, transform .1s;
  text-decoration: none;
  min-height: 44px;
  white-space: nowrap;
  letter-spacing: .01em;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(79,70,229,.35);
}
.btn-primary:hover { background: var(--color-primary-h); color: #fff; text-decoration: none; box-shadow: 0 4px 12px rgba(79,70,229,.4); }

.btn-secondary {
  background: #f1f5f9;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: #e2e8f0; color: var(--color-text); text-decoration: none; }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  box-shadow: 0 2px 6px rgba(225,29,72,.3);
}
.btn-danger:hover { background: var(--color-danger-h); color: #fff; text-decoration: none; }

.btn-sm {
  padding: 6px 14px;
  font-size: .85rem;
  min-height: 36px;
}

/* テーブル */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table th {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-muted);
  background: var(--color-bg);
}

.data-table tbody tr:hover { background: #f1f5f9; }

.url-cell {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: .8rem;
  color: var(--color-muted);
}

.action-cell {
  white-space: nowrap;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* カラーチップ */
.color-chip {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 4px;
  border: 1px solid rgba(0,0,0,.1);
}

/* タブ */
.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.tab-link {
  padding: 10px 20px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: color .15s, background .15s;
  position: relative;
  bottom: -2px;
  border: 2px solid transparent;
  text-decoration: none;
}

.tab-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.tab-link.active {
  color: var(--color-primary);
  border-color: var(--color-border) var(--color-border) #fff var(--color-border);
  background: #fff;
}

/* アラート */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: .95rem;
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.alert-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* ステータスプレビュー（管理画面内） */
.status-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border-left: 5px solid #e2e8f0;
  margin-bottom: 16px;
}

.status-preview .status-icon { font-size: 1.6rem; }

.detail-list {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 6px 12px;
  font-size: .875rem;
  color: var(--color-muted);
  margin-top: 8px;
}

.detail-list dt { font-weight: 600; }

/* トークン表示 */
.token-display {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.token-display code {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: .85rem;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  word-break: break-all;
}

/* ユーティリティ */
.text-muted { color: var(--color-muted); font-size: .9rem; }

/* ==============================
   レスポンシブ（767px以下）
   ============================== */
@media (max-width: 767px) {

  /* --- フロントエンド --- */
  .front-wrap  { padding: 12px 12px 40px; }
  .site-title  { font-size: 1.25rem; }

  #calendar-container {
    padding: 8px 6px;
    border-radius: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .status-widget  { padding: 12px 14px; }
  .notices-widget { padding: 12px 14px; }

  /* --- FullCalendar --- */
  .fc .fc-toolbar       { gap: 6px; flex-wrap: wrap; }
  .fc .fc-toolbar-title { font-size: 1rem !important; }
  .fc .fc-button-primary { font-size: .72rem !important; padding: 5px 7px !important; }
  .fc .fc-button-group  { gap: 2px; }

  /* 月グリッド：横スクロール */
  .fc-dayGridMonth-view { min-width: 640px; }
  .fc-dayGridMonth-view .fc-daygrid-day-frame { min-height: 70px !important; }

  /* リストビュー */
  .fc-list-event td    { padding: 10px 8px !important; }
  .fc-list-event-dot   { border-width: 10px !important; }
  .fc-list-event-title { font-size: 1rem !important; }
  .fc-list-day-cushion { padding: 6px 8px !important; }

  /* --- 管理画面ヘッダー --- */
  .admin-header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 6px;
  }
  .admin-title { font-size: .95rem; }
  .admin-nav   { display: flex; flex-wrap: wrap; gap: 2px; width: 100%; }
  .admin-nav a { font-size: .78rem; padding: 5px 9px; border-radius: 5px; }

  /* --- 管理画面レイアウト --- */
  .admin-main { padding: 16px 12px 40px; }
  .card       { padding: 20px 16px; }
  .card-head  { flex-direction: column; align-items: flex-start; gap: 10px; }

  /* --- テーブル → カード型 --- */
  .data-table thead { display: none; }

  .data-table tbody tr {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    padding: 12px 16px;
    background: #fff;
  }

  .data-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: .9rem;
  }

  .data-table tbody td:last-child { border-bottom: none; }

  .data-table tbody td::before {
    content: attr(data-label);
    font-weight: 700;
    font-size: .78rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    flex-shrink: 0;
    margin-right: 8px;
  }

  .action-cell { justify-content: flex-end; }
  .url-cell    { max-width: 160px; }

  /* --- フォーム --- */
  .form-row { grid-template-columns: 1fr !important; }
  .btn-row  { flex-wrap: wrap; }

  /* --- タブ --- */
  .tab-nav  { overflow-x: auto; flex-wrap: nowrap; }
  .tab-link { white-space: nowrap; padding: 8px 14px; }

  /* --- その他 --- */
  .detail-list { grid-template-columns: 70px 1fr; font-size: .82rem; }
  .token-display { flex-wrap: wrap; }
  .token-display code { word-break: break-all; font-size: .78rem; }

  /* --- カラースウォッチ --- */
  .swatch { width: 36px; height: 36px; }
}

/* ===== お知らせウィジェット ===== */
.notices-widget {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.notice-heading {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.notice-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.notice-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.notice-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.notice-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.notice-period {
  font-size: 0.78rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.notice-body {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  white-space: pre-wrap;
}

@media (max-width: 480px) {
  .notice-header { flex-direction: column; gap: 2px; }
  .front-wrap    { padding: 10px 10px 32px; }
}

/* ===== サイト設定プレビュー（管理画面） ===== */
.site-header-preview {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  min-height: 60px;
}

.preview-site-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.preview-site-desc {
  font-size: .9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ===== カラースウォッチピッカー ===== */
.color-picker-wrap { display: flex; flex-direction: column; gap: 8px; }

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
  padding: 0;
  flex-shrink: 0;
}
.swatch:hover { transform: scale(1.15); box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.swatch.selected {
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px #fff inset;
}

/* カスタムカラーボタン */
.swatch-custom {
  background: #fff !important;
  border: 2px dashed var(--color-border) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: var(--color-muted);
  position: relative;
  overflow: hidden;
}
.swatch-custom:hover { border-color: var(--color-primary) !important; color: var(--color-primary); transform: scale(1.1); }
.swatch-custom input[type="color"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
}

/* 選択中のカラープレビュー */
.color-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--color-muted);
}
.color-preview-chip {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,.1);
  flex-shrink: 0;
}