/* ==========================================================================
   劇団チケット予約システム 総合CSSスタイルシート
   劇団「プレイカンパニー 空集合」トーン＆マナー仕様（洗練化・統一版）
   ========================================================================== */

:root {
  /* Colors */
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F8F9FA;
  --color-text-main: #222222;
  --color-text-sub: #666666;
  --color-border: #E2E2E2;
  --color-border-dark: #333333;
  
  /* Brand Accents */
  --color-primary-navy: #0D1B4C;
  --color-accent-crimson: #A82222;
  
  /* Radii & Borders (シャープな直角基調) */
  --radius-none: 0px;
  --border-hairline: 1px solid var(--color-border);
  
  /* Fonts */
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans JP", sans-serif;

  /* システム互換エイリアス */
  --primary-color: var(--color-primary-navy);
  --primary-hover: #071030;
  --primary-light: #f0f3fa;
  --secondary-color: var(--color-text-sub);
  --secondary-hover: #444444;
  
  --accent-gold: var(--color-accent-crimson);
  --accent-gold-light: #fdf2f2;
  
  --success-color: var(--color-primary-navy);
  --success-light: #f0f3fa;
  --warning-color: var(--color-text-sub);
  --warning-light: var(--color-bg-subtle);
  --danger-color: var(--color-accent-crimson);
  --danger-light: #fdf2f2;

  --bg-main: var(--color-bg-subtle);
  --bg-card: var(--color-bg);
  --text-main: var(--color-text-main);
  --text-muted: var(--color-text-sub);
  --border-color: var(--color-border);

  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

  --font-family: var(--font-sans);
}

/* 枠線・形状（基本は直角基調） */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.max-w-500 { max-width: 500px; }
.max-w-700 { max-width: 700px; }
.margin-auto { margin-left: auto; margin-right: auto; }
.margin-bottom-20 { margin-bottom: 20px; }
.margin-top-15 { margin-top: 15px; }
.text-center { text-align: center; }

/* ==========================================================================
   タイポグラフィ（明朝体は大見出し・公演タイトルのみに厳格限定）
   ========================================================================== */

/* 明朝体適用対象：劇団名・ポータルタイトル・公演演目タイトルのみ */
h1,
.brand-title,
.show-title,
.production-title {
  font-family: var(--font-serif);
  letter-spacing: 0.08em;
  color: var(--color-text-main);
}

/* それ以外の全テキスト・中見出し・ラベル・ボタン・数値はゴシック体で統一 */
h2, h3, h4, h5, h6,
.section-title,
.section-subtitle,
.card-header h2,
.card-header h3,
.modal-header h2,
.legend-title,
.stages-header-label,
.member-link-title,
p, span, label, input, select, textarea, button, td, th {
  font-family: var(--font-sans);
}

/* ==========================================================================
   ヘッダー（ノイズ色オレンジの完全排除）
   ========================================================================== */

.app-header {
  background: var(--color-primary-navy);
  color: #ffffff;
  padding: 18px 0;
  border-bottom: 3px solid var(--color-accent-crimson);
  box-shadow: none;
}

.admin-header {
  background: #08102d;
  border-bottom: 3px solid var(--color-accent-crimson);
}

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

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

/* ヘッダーアイコン：ノイズとなるオレンジ色を完全廃止し、深紅または白で統一 */
.brand-icon {
  font-size: 1.6rem;
  color: var(--color-accent-crimson);
}

.admin-header .brand-icon {
  color: #ffffff;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: #c7d2fe;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
}

.header-nav {
  display: flex;
  gap: 10px;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* ==========================================================================
   メインコンテンツ & カード
   ========================================================================== */

.main-content {
  flex: 1;
  padding: 30px 0;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 24px;
  box-shadow: none;
  margin-bottom: 24px;
}

.card-header {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.card-header h2, .card-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-header p {
  color: var(--color-text-sub);
  font-size: 0.875rem;
  margin-top: 4px;
}

.show-info-card {
  border-left: 4px solid var(--color-primary-navy);
}

.show-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.info-icon {
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  border: 1px solid var(--color-border);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.info-content label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  font-weight: 600;
}

.info-content span {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* ==========================================================================
   フォーム・入力要素 (Form Controls)
   ========================================================================== */

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-subtitle {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group-full { grid-column: span 2; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-group-full { grid-column: span 1; }
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.badge-required {
  background: #fdf2f2;
  color: var(--color-accent-crimson);
  border: 1px solid #f87171;
  font-size: 0.7rem;
  padding: 2px 6px;
  margin-left: 6px;
}

.badge-optional {
  background: var(--color-bg-subtle);
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
  font-size: 0.7rem;
  padding: 2px 6px;
  margin-left: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-main);
  background: var(--color-bg);
  box-shadow: none;
  transition: border-color 0.2s ease;
}

.form-textarea {
  resize: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-navy);
  box-shadow: none !important;
}

.form-help {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}

/* ==========================================================================
   公演日時・券種選択カード (角丸なし直角・左端赤ボーダーアクセント)
   ========================================================================== */

.stage-buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stage-btn-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: none;
  position: relative;
}

.stage-btn-card:hover:not(.disabled) {
  border-color: var(--color-primary-navy);
}

/* 選択時 (Active) */
.stage-btn-card.active {
  border: 1px solid var(--color-primary-navy);
  border-left: 4px solid var(--color-accent-crimson);
  background: var(--color-bg);
  box-shadow: none !important;
}

.stage-btn-card.disabled {
  opacity: 0.55;
  background: var(--color-bg-subtle);
  border-color: var(--color-border);
  cursor: not-allowed;
}

.stage-btn-card.expired {
  background: var(--color-bg-subtle);
  border-color: var(--color-border);
}

.stage-date-text {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-text-main);
}

.stage-btn-card.disabled .stage-date-text {
  color: var(--color-text-sub);
}

/* ステータスバッジ：緑などの雑多な色を排し、落ち着いたモノトーン・深藍・深紅のみへ集約 */
.seat-status-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 3px 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  color: var(--color-text-main);
}

.seat-status-badge.ok {
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  border-color: #cbd5e1;
}

.seat-status-badge.few {
  background: #fffbeb;
  color: #b45309;
  border-color: #fde68a;
}

.seat-status-badge.full {
  background: #fdf2f2;
  color: var(--color-accent-crimson);
  border-color: #fca5a5;
}

.seat-status-badge.expired {
  background: #f1f5f9;
  color: #64748b;
  border-color: #cbd5e1;
}

.ticket-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.ticket-type-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ticket-name { font-weight: 700; font-size: 1rem; color: var(--color-text-main); }
.ticket-price { color: var(--color-accent-crimson); font-weight: 700; font-size: 1.1rem; }

.quantity-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border-dark);
  background: var(--color-bg);
  color: var(--color-text-main);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}

.qty-btn:hover:not(:disabled) {
  background: var(--color-primary-navy);
  color: #ffffff;
  border-color: var(--color-primary-navy);
}

.qty-number { font-weight: 700; width: 24px; text-align: center; }

.total-price-banner {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-navy);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  font-size: 1.05rem;
}

.total-price-banner strong {
  font-size: 1.3rem;
  color: var(--color-accent-crimson);
}

/* Dedicated Cast Banner */
.dedicated-cast-banner {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-primary-navy);
  border-left: 4px solid var(--color-accent-crimson);
  padding: 14px 18px;
  color: var(--color-primary-navy);
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==========================================================================
   ボタン (CTA: 赤カラーバー象徴的ディテール + 直角基調)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  box-shadow: none !important;
}

.btn * {
  pointer-events: none;
}

/* メインアクションボタン (CTA) : 左端赤カラーバー */
.btn-primary, .btn-submit, button[type="submit"] {
  background-color: var(--color-primary-navy);
  color: #ffffff;
  position: relative;
  padding-left: 26px;
  border: none;
}

.btn-primary::before, .btn-submit::before, button[type="submit"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  background-color: var(--color-accent-crimson);
}

.btn-primary:hover, .btn-submit:hover, button[type="submit"]:hover {
  background-color: #071030;
  color: #ffffff;
}

/* その他ボタン */
.btn-secondary {
  background-color: var(--color-text-sub);
  color: #ffffff;
}
.btn-secondary:hover {
  background-color: #444444;
}

/* 緑系ボタンも深藍（プライマリ）またはシックなトーンへ統一 */
.btn-success {
  background-color: var(--color-primary-navy);
  color: #ffffff;
}
.btn-success:hover {
  background-color: #071030;
}

.btn-danger {
  background-color: var(--color-accent-crimson);
  color: #ffffff;
}
.btn-danger:hover {
  background-color: #881b1b;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-main);
}
.btn-outline:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-primary-navy);
}

.btn-large {
  padding: 14px 28px;
  padding-left: 32px;
  font-size: 1.1rem;
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}
.btn-sm.btn-primary::before {
  width: 4px;
}

/* ==========================================================================
   管理画面 (Admin Dashboard & Tables)
   ========================================================================== */

.admin-header-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-crimson);
}

.admin-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.admin-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.status-dot { width: 8px; height: 8px; }
.status-dot.green { background: var(--color-primary-navy); }

.admin-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0px;
  overflow-x: auto;
}

.admin-tab-btn {
  background: transparent;
  border: none;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-sub);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-tab-btn:hover {
  color: var(--color-primary-navy);
}

.admin-tab-btn.active {
  color: var(--color-primary-navy);
  border-bottom-color: var(--color-accent-crimson);
  font-weight: 700;
}

.admin-tab-content { display: none; }
.admin-tab-content.active { display: block; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-navy);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 統計カードアイコン：カラフルな色使いを廃止し、統一感ある背景・テキストへ */
.stat-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.stat-icon.blue, .stat-icon.green, .stat-icon.purple {
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  border-color: var(--color-border);
}

.stat-info { display: flex; flex-direction: column; }
.stat-label { font-size: 0.8rem; color: var(--color-text-sub); font-weight: 600; }
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--color-text-main); }

.toolbar-card { padding: 16px; }
.toolbar-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.toolbar-left, .toolbar-right { display: flex; gap: 12px; align-items: center; }

.admin-container .card {
  padding: 16px 20px;
  margin-bottom: 14px;
}

.admin-container .card-header {
  margin-bottom: 10px;
  padding-bottom: 8px;
}

.admin-container .table-card {
  padding: 0;
  overflow: hidden;
}

.admin-container .filter-card {
  padding: 12px 16px;
  margin-bottom: 12px;
}

.cast-summary-card { margin-bottom: 14px; }
.card-header-collapsible { display: flex; justify-content: space-between; align-items: center; }
.collapsible-body { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--color-border); }
.cast-summary-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }

.cast-summary-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cast-item-header { display: flex; justify-content: space-between; align-items: center; }
.cast-name-text { font-size: 0.95rem; font-weight: 700; }
.cast-tickets-badge {
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  border: 1px solid var(--color-border);
  font-weight: 700;
  padding: 2px 10px;
  font-size: 0.85rem;
}

/* クロス集計テーブル & ランキングバッジ */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.matrix-table th, .matrix-table td {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  text-align: center;
  white-space: nowrap;
}

.matrix-table th {
  background: var(--color-bg-subtle);
  font-weight: 700;
  color: var(--color-text-main);
  position: sticky;
  top: 0;
  z-index: 2;
}

.matrix-table th.rank-col, .matrix-table td.member-name-cell { text-align: left; }
.matrix-table tr.total-row { background: var(--color-bg-subtle); font-weight: 700; }

.rank-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 6px;
  border: 1px solid transparent;
}

.rank-badge.rank-1 { background: #fdf2f2; color: var(--color-accent-crimson); border-color: #f87171; }
.rank-badge.rank-2 { background: var(--color-bg-subtle); color: var(--color-primary-navy); border-color: #93c5fd; }
.rank-badge.rank-3 { background: #fffbeb; color: #b45309; border-color: #fde68a; }

.table-responsive {
  overflow-x: auto;
  max-height: calc(100vh - 250px);
  overflow-y: auto;
  border: 1px solid var(--color-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--color-bg-subtle);
  padding: 10px 12px;
  font-weight: 700;
  color: var(--color-text-main);
  border-bottom: 2px solid var(--color-border-dark);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  white-space: nowrap;
}

.data-table tbody tr:hover { background: var(--color-bg-subtle); }

.res-status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.res-status-badge.active { background: var(--color-bg-subtle); color: var(--color-primary-navy); border-color: #cbd5e1; }
.res-status-badge.cancelled { background: #fdf2f2; color: var(--color-accent-crimson); border-color: #f87171; }

.admin-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 868px) { .admin-two-col { grid-template-columns: 1fr; } }

.shows-manage-list { display: flex; flex-direction: column; gap: 12px; }

.mini-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.mini-tag {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mini-tag-del, .mini-tag-del-c { color: var(--color-accent-crimson); cursor: pointer; }
.mini-form-row { display: flex; gap: 8px; }

.config-switches-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 24px; }
.config-item {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.config-info h4 { font-size: 1rem; font-weight: 700; }
.config-info p { font-size: 0.8rem; color: var(--color-text-sub); }
.config-controls { display: flex; align-items: center; gap: 20px; }

/* ==========================================================================
   トグルスイッチ（本来の丸みカプセル形状・操作性を保護復元）
   ========================================================================== */

.toggle-switch { position: relative; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }

.slider {
  width: 44px;
  height: 24px;
  background-color: #cbd5e1;
  border-radius: 24px !important;
  transition: .25s ease;
  position: relative;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50% !important;
  transition: .25s ease;
}

input:checked + .slider {
  background-color: var(--color-primary-navy);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.remind-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 868px) { .remind-grid { grid-template-columns: 1fr; } }
.tag-pills { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 8px; font-size: 0.8rem; }
.tag-btn {
  background: var(--color-bg-subtle);
  color: var(--color-primary-navy);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}
.tag-btn:hover { background: var(--color-primary-navy); color: #ffffff; }
.output-area {
  background: #08102d;
  color: #93c5fd;
  font-family: monospace;
  font-size: 0.85rem;
  min-height: 320px;
  border: 1px solid var(--color-border-dark);
}

/* ==========================================================================
   モーダル (Modal Window)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 76, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-dark);
  width: 100%;
  max-width: 550px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.modal-wide { max-width: 700px; }
.modal-header {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header.success-header {
  background: var(--color-primary-navy);
  border-bottom: 3px solid var(--color-accent-crimson);
  color: #ffffff;
  flex-direction: column;
  text-align: center;
  padding: 28px 20px 20px;
}
.modal-header.success-header h2 {
  color: #ffffff;
}
.modal-icon { font-size: 2.5rem; margin-bottom: 8px; color: #a7f3d0; }
.close-modal-x { background: transparent; border: none; font-size: 1.5rem; color: var(--color-text-sub); cursor: pointer; }
.modal-body { padding: 20px; overflow-y: auto; }
.reservation-summary-box {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 16px;
  margin: 16px 0;
}
.summary-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 0.9rem; border-bottom: 1px dashed var(--color-border); }
.summary-row:last-child { border-bottom: none; }
.summary-row.highlight {
  background: #fffbeb;
  border: 1px solid #fde68a;
  padding: 8px;
  margin-bottom: 6px;
}
.res-id-text { font-size: 1.2rem; color: var(--color-accent-crimson); font-weight: 700; }
.email-preview-box { background: var(--color-bg-subtle); border: 1px solid var(--color-border); padding: 14px; font-size: 0.8rem; }
.email-header { font-weight: 700; color: var(--color-text-main); margin-bottom: 6px; }
.email-body { white-space: pre-wrap; color: var(--color-text-main); font-family: monospace; background: var(--color-bg); padding: 10px; border: 1px solid var(--color-border); }
.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--color-bg-subtle);
}
.app-footer {
  background: var(--color-primary-navy);
  border-top: 3px solid var(--color-accent-crimson);
  color: #ffffff;
  text-align: center;
  padding: 24px 0;
  font-size: 0.85rem;
  margin-top: auto;
}

/* ==========================================================================
   公演 (演目) ＞ ステージ (回) 階層構造 UI スタイル
   ========================================================================== */

.production-manage-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-navy);
  margin-bottom: 16px;
}

.production-card-header {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.production-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.production-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-navy);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  width: fit-content;
}

.production-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 0;
}

.production-meta {
  font-size: 0.82rem;
  color: var(--color-text-sub);
}

.production-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.production-stages-container {
  padding: 12px 18px 16px 24px;
  background: var(--color-bg);
  border-left: 3px solid var(--color-accent-crimson);
  margin: 8px 12px 12px 16px;
}

.stages-header-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stages-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stage-manage-item {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 6px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.stage-manage-item:hover {
  background: #ffffff;
  border-color: var(--color-primary-navy);
}

.stage-info-compact {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.stage-date-line {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-title);
  display: flex;
  align-items: center;
  gap: 6px;
}

.stage-avail-line {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-left: 20px;
}

.stage-badge {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.stage-detail-text {
  font-size: 0.78rem;
  color: var(--color-text-sub);
}

.stage-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* 管理画面 絞り込みフィルタータグ (チップUI) */
.stage-filter-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.filter-tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-tag-btn:hover {
  border-color: var(--color-primary-navy);
}

.filter-tag-btn.active {
  background: var(--color-primary-navy);
  color: #ffffff;
  border-color: var(--color-primary-navy);
  position: relative;
}

.filter-tag-btn.tag-all-shows { font-weight: 700; }
.filter-tag-btn.tag-all-stages { background: var(--color-bg-subtle); color: var(--color-primary-navy); border-color: var(--color-border); }
.filter-tag-btn.tag-all-stages.active { background: var(--color-primary-navy); color: #ffffff; }

/* 団員マイページ専用 予約URLコピーカード */
.member-personal-link-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-navy);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.member-link-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.member-link-title {
  font-size: 1rem;
  color: var(--color-primary-navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.member-show-select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text-main);
  font-weight: 600;
  white-space: nowrap;
}

.member-show-select-wrap label { white-space: nowrap; flex-shrink: 0; }

.member-personal-show-select {
  font-size: 0.88rem;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-weight: 600;
  max-width: 260px;
}

.member-link-body { display: flex; gap: 10px; align-items: center; }

.member-url-input {
  flex: 1;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.9rem;
  font-family: monospace;
}

.btn-copy-personal {
  white-space: nowrap;
  padding: 10px 18px;
  font-weight: 600;
}

/* 予約表の行タップ＆詳細モーダル用スタイル */
.res-row-clickable {
  cursor: pointer;
  transition: background-color 0.15s ease;
}
.res-row-clickable:hover {
  background-color: var(--color-bg-subtle) !important;
}

.detail-info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-info-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--color-border);
}
.detail-info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.detail-info-label {
  font-weight: 600;
  color: var(--color-text-sub);
  font-size: 0.88rem;
  min-width: 90px;
}
.detail-info-value {
  font-weight: 600;
  color: var(--color-text-main);
  text-align: right;
  font-size: 0.92rem;
  word-break: break-all;
}

body.role-cast .role-admin-only {
  display: none !important;
}

/* ==========================================================================
   スマートフォン表示・タッチUI完全最適化 (@media max-width: 640px)
   ========================================================================== */
@media (max-width: 640px) {
  .container { padding: 0 12px; }
  .app-header { padding: 14px 0; }
  .header-container { padding: 0 12px; }
  .brand-title { font-size: 1.15rem; }
  .brand-subtitle { font-size: 0.7rem; }
  .main-content { padding: 16px 0; }
  .card { padding: 16px 14px; margin-bottom: 16px; }

  /* フォーム入力時のiOS自動ズーム防止 (16px化) */
  .form-input, .form-select, .form-textarea {
    font-size: 16px !important;
    padding: 12px 14px;
  }

  .qty-btn { width: 40px; height: 40px; font-size: 1.2rem; }
  .qty-number { font-size: 1.1rem; width: 30px; }

  .stage-buttons-grid { grid-template-columns: 1fr; gap: 10px; }
  .stage-btn-card { padding: 14px; }
  .ticket-types-grid { grid-template-columns: 1fr; gap: 10px; }
  .ticket-type-card { padding: 14px; }

  .admin-title-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  .admin-tabs { padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .admin-tab-btn { padding: 8px 12px; font-size: 0.88rem; }
  .table-responsive { -webkit-overflow-scrolling: touch; max-height: calc(100vh - 200px); }

  .production-card-header { padding: 12px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .production-actions { width: 100%; justify-content: flex-start; }
  .production-stages-container { padding: 10px 10px 12px 14px; margin: 6px 6px 10px 8px; }
  .stage-manage-item { padding: 10px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .stage-actions { width: 100%; justify-content: flex-end; }

  .modal-overlay { padding: 10px; }
  .modal-card { max-height: 94vh; }
  .modal-header { padding: 14px 16px; }
  .modal-body { padding: 14px 16px; }
  .modal-footer { padding: 12px 16px; flex-direction: column-reverse; gap: 8px; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  .member-link-header { flex-direction: column; align-items: flex-start; }
  .member-show-select-wrap { width: 100%; justify-content: space-between; }
  .member-personal-show-select { flex: 1; max-width: 100%; }
  .member-link-body { flex-direction: column; align-items: stretch; }
  .btn-copy-personal { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .toolbar-row { flex-direction: column; align-items: stretch; }
  .toolbar-left, .toolbar-right { flex-direction: column; align-items: stretch; }
}

/* ==========================================================================
   ブラウザ共通 汎用インラインエラー表示スタイル (Safari・Mobile対応)
   ========================================================================== */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #dc2626 !important;
  background-color: #fef2f2 !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15) !important;
}

.input-error-msg {
  display: block;
  color: #dc2626;
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 4px;
  line-height: 1.3;
}