/* ===================================
   2カラムサイドバーシステム
   =================================== */

/* 左サイドバー（メインカテゴリ） */
.sidebar-main {
  width: 80px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--app-update-bar-height));
  position: fixed;
  left: 0;
  top: var(--app-update-bar-height);
  z-index: 102;
}

.sidebar-main__header {
  padding: 16px 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-main__logo {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-accent-strong);
  letter-spacing: 0.5px;
}

.sidebar-main__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  gap: 5px;
  overflow-y: auto;
  min-height: 0;
  /* スクロールバー (+ ブラウザ標準の上下矢印) を非表示にし、 スクロール自体は可能。
     低解像度でメニュー数 > 画面高さの時の見た目崩れを防ぐ。 */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.sidebar-main__nav::-webkit-scrollbar {
  display: none;
}

.sidebar-main__nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 6px;
  margin: 0 6px;
  background: transparent;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--color-muted);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
  .sidebar-main__nav-item:hover {
    background: var(--color-bg);
    color: var(--color-text);
  }

  .sidebar-main__nav-item--active:hover {
    background: var(--color-accent-bg);
    color: var(--color-button-text);
  }
}

.sidebar-main__nav-item--active {
  background: var(--color-accent-bg);
  color: var(--color-button-text);
}

.sidebar-main__nav-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-main__nav-label {
  font-size: 0.65rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

/* サイドバー「もっと見る」セパレータ */
.sidebar-main__nav-separator {
  margin: 4px 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 4px;
}

.sidebar-main__nav-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 100%;
  padding: 6px 2px;
  border: none;
  background: none;
  color: var(--color-muted);
  cursor: pointer;
  border-radius: 7px;
  transition:
    color 0.2s ease,
    background 0.2s ease;
  font-family: inherit;
}

.sidebar-main__nav-more:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.sidebar-main__nav-more .sidebar-main__nav-icon {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.sidebar-main__nav-more--expanded .sidebar-main__nav-icon {
  transform: rotate(180deg);
}

.sidebar-main__nav-more .sidebar-main__nav-label {
  font-size: 0.6rem;
  font-weight: 500;
}

/* もっと見る: hidden グループ */
.sidebar-main__nav-hidden-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
}

/* ナビゲーションバッジ */
.nav-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--color-accent-strong, #7986cb);
  color: white;
  border-radius: 8px;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  box-shadow:
    0 1px 3px rgba(var(--color-accent-rgb, 114, 130, 187), 0.3),
    0 0 0 2px var(--color-surface);
  animation: badge-pulse 2s ease-in-out infinite;
  z-index: 10;
}

@keyframes badge-pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow:
      0 1px 3px rgba(var(--color-accent-rgb, 114, 130, 187), 0.3),
      0 0 0 2px var(--color-surface);
  }
  50% {
    transform: scale(1.1);
    box-shadow:
      0 2px 5px rgba(var(--color-accent-rgb, 114, 130, 187), 0.5),
      0 0 0 2px var(--color-surface);
  }
}

.sidebar-main__footer {
  padding: 12px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.sidebar-main__theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  color: var(--color-muted);
  transition: all 0.2s ease;
  position: relative;
}

@media (hover: hover) and (pointer: fine) {
  .sidebar-main__theme-toggle:hover {
    background: var(--color-bg);
    color: var(--color-text);
  }
}

/* サブメニュー閉じるボタン */
.sidebar-sub__close-btn {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    color 0.2s,
    background 0.2s;
  touch-action: manipulation;
}

@media (hover: hover) and (pointer: fine) {
  .sidebar-sub__close-btn:hover {
    color: var(--color-text);
    background: var(--color-bg);
  }
}

.sidebar-sub__header {
  position: relative;
}

/* モバイルでは閉じるボタン非表示 */
@media (max-width: 1024px) {
  .sidebar-sub__close-btn {
    display: none;
  }
}

/* サブメニュー折りたたみ状態 */
body.sidebar-sub-collapsed .sidebar-sub {
  transform: translateX(-100%);
  visibility: hidden;
  pointer-events: none;
  transition:
    transform 0.25s ease,
    visibility 0.25s;
}

body.sidebar-sub-collapsed .app-container {
  margin-left: 80px;
}

body.sidebar-sub-collapsed .knowledge-detail-view:not(.panel-mode) {
  left: 80px;
}

/* モバイルではトグルボタン非表示（ハンバーガーメニューがある） */
@media (max-width: 1024px) {
  .sidebar-main__sub-toggle {
    display: none;
  }
}

.sidebar-main__theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* 中央サイドバー（サブメニュー） */
.sidebar-sub {
  width: 220px;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--app-update-bar-height));
  position: fixed;
  left: 80px;
  top: var(--app-update-bar-height);
  z-index: 101;
}

.sidebar-sub__content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sidebar-sub__header {
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-sub__title {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.sidebar-sub__header-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  background: transparent;
  border-radius: 6px;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.12s;
}

.sidebar-sub__header-action:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.sidebar-sub__actions {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-sub__toolbar-row {
  display: flex;
  /* 文字サイズを上げると 2 つ並びでは幅が足りなくなる。 その時は縦に積んで
     ラベルを省略せずに読めるようにする (省略すると何のボタンか分からなくなる) */
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-sub__half-btn {
  position: relative;
  /* 基準を半分 (gap 6px の 2 個並び) にして、 入るときは常に半々に保つ。
     中身 (アイコン + ラベル + 未読バッジ) が半分に収まらなくなったときだけ、
     親の flex-wrap で縦に積んでラベルを省略せずに読めるようにする */
  flex: 1 1 calc(50% - 3px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.6875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.sidebar-sub__half-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-text);
}

.sidebar-sub__half-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.chat-new-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 2px 6px;
  margin-left: auto;
  background: var(--color-accent-bg);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--color-button-text);
  font-size: 0.6875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.chat-new-btn:hover {
  background: var(--color-accent-strong);
  transform: scale(1.1);
}

/* ホーム行: 通常時は背景なし・白文字 */
.sidebar__menu-link--home {
  background: none;
  color: var(--color-text);
  border-color: transparent;
}

/* ホーム行ホバー: 他チャンネルと同じ背景変化、ただし動き(transform)なし */
.sidebar__menu-link--home:hover {
  transform: none;
  box-shadow: none;
}

.sidebar-sub__action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.sidebar-sub__action-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-text);
}

.sidebar-sub__action-btn--primary {
  background: var(--color-accent-bg);
  border-color: var(--color-accent-text);
  color: var(--color-button-text);
}

.sidebar-sub__action-btn--primary:hover {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
}

.sidebar-sub__action-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* 通知設定モーダル */
.notification-settings-modal__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.notification-settings-modal__dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px 20px;
  min-width: 280px;
  max-width: 360px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.notification-settings-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.notification-settings-modal__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.notification-settings-modal__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 2px;
  display: flex;
  align-items: center;
}

.notification-settings-modal__close:hover {
  color: var(--color-text);
}

.notification-settings-modal__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notification-settings-modal__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.notification-settings-modal__label {
  font-size: 0.8rem;
  color: var(--color-text);
}

.notification-settings-modal__toggle {
  position: relative;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.2s;
  padding: 0;
}

.notification-settings-modal__toggle--on {
  background: var(--color-accent-bg);
}

.notification-settings-modal__toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  transition: transform 0.2s;
}

.notification-settings-modal__toggle--on .notification-settings-modal__toggle-knob {
  transform: translateX(16px);
}

.sidebar-sub__list {
  flex: 1;
  overflow-y: auto;
  padding: 5px;
}

.sidebar-sub__list .sidebar__menu {
  padding: 0;
  margin: 0;
}

.sidebar-sub__list .sidebar__menu-item {
  margin-bottom: 2px;
}

.sidebar-sub__list .sidebar__menu-link {
  padding: 6px 8px;
  font-size: 0.8rem;
}

.sidebar-sub__list .sidebar__menu-icon {
  width: 13px;
  height: 13px;
}

.sidebar__menu-divider {
  margin: 8px 12px;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

/* レスポンシブ対応 */

/* タグ管理モーダル */
.tag-manage-create-container {
  position: relative;
}

.tag-manage-create-input {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: all 0.2s ease;
}

.tag-manage-create-input::placeholder {
  color: var(--color-muted);
}

.tag-manage-create-input:focus {
  outline: none;
  border-color: var(--color-accent-text);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}

.tag-manage-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}

/* ミニマルチップスタイル */
.tag-manage-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.tag-manage-chip:hover {
  border-color: var(--color-accent-text);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tag-manage-chip:active {
  transform: translateY(0);
}

.tag-manage-chip--selected {
  background: var(--color-accent-bg);
  border-color: var(--color-accent-text);
  color: var(--color-button-text);
}

.tag-manage-chip--selected:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.tag-manage-chip-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}

.tag-manage-chip--selected .tag-manage-chip-icon {
  opacity: 1;
}

.tag-manage-empty {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.tag-manage-description {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

/* ========================================
   REFACTORED INLINE STYLES
   ======================================== */

/* ----------------------------------------
   COMMON/UTILITY CLASSES
   ---------------------------------------- */

.hidden {
  display: none;
}

.divider-text {
  margin: 20px 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ----------------------------------------
   PROFILE PANEL STYLES
   ---------------------------------------- */

.profile-header {
  margin-bottom: 24px;
}

.profile-heading {
  margin: 0;
  font-size: 1.4rem;
  color: var(--color-text);
  font-weight: 600;
}

.profile-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.profile-card-header {
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.profile-info-grid {
  display: grid;
  gap: 16px;
}

.profile-avatar-container {
  display: flex;
  align-items: center;
  gap: 24px;
}

.profile-avatar-preview {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 600;
  border: 3px solid var(--color-border);
  overflow: hidden;
}

.profile-avatar-preview--dragover {
  opacity: 0.7;
  border-color: var(--color-primary);
}

.profile-avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-avatar-actions {
  flex: 1;
}

.profile-avatar-buttons {
  display: flex;
  gap: 12px;
}

.profile-button-primary {
  padding: 10px 20px;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.profile-button-primary:hover {
  background: var(--color-accent-strong);
}

.profile-button-secondary {
  padding: 10px 20px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.profile-button-secondary:hover {
  background: var(--color-surface-alt);
}

/* Secret field container - フレックスボックスレイアウト */
.secret-field-container {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.secret-field-container > div:first-child {
  flex: 1;
}

.secret-delete-btn {
  margin-top: 0;
  white-space: nowrap;
}

.profile-form {
  display: grid;
  gap: 16px;
}

.profile-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.profile-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.profile-form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.profile-readonly-display {
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.9rem;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.profile-form-input {
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
  width: 100%;
}

.profile-form-input:focus {
  border-color: var(--color-accent-text);
  outline: none;
}

.profile-form-hint {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.profile-form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

.profile-submit-button {
  padding: 12px 24px;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.profile-submit-button:hover {
  background: var(--color-accent-strong);
}

.profile-upgrade-description {
  margin: 0 0 16px 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.upgrade-status-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin: 0 0 16px 0;
  background: var(--color-highlight-bg);
  border: 1px solid var(--color-accent);
  border-radius: 8px;
}

.upgrade-status-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.upgrade-status-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.upgrade-status-description {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.4;
}

.profile-upgrade-heading {
  margin: 0 0 12px 0;
  font-size: 1.1rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ----------------------------------------
   DASHBOARD PANEL STYLES
   ---------------------------------------- */

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.dashboard-heading {
  margin: 0;
  font-size: 1.3rem;
  color: var(--color-text);
}

.dashboard-refresh-button {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-target);
  color: var(--color-text);
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dashboard-refresh-button:hover {
  background: var(--color-accent-bg);
  color: var(--color-button-text);
}

.stat-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px;
}

.stat-card-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-card-icon {
  width: 2rem;
  height: 2rem;
}

.stat-card-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.stat-card-value {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-text);
}

.stat-card-unit {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.dashboard-section {
  margin-bottom: 32px;
}

.dashboard-section-heading {
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  color: var(--color-text);
}

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.admin-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px;
}

.admin-stat-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.admin-stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent-strong);
}

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 16px 0;
}

.activity-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  max-height: 400px;
  overflow-y: auto;
  padding: 6px;
}

.activity-loading {
  text-align: center;
  color: var(--color-muted);
  padding: 40px 0;
}

.moderation-section {
  margin-top: 24px;
}

.guest-info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px;
}

.guest-info-heading {
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  color: var(--color-text);
}

.guest-info-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.guest-info-label {
  color: var(--color-muted);
}

.guest-info-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent-strong);
  margin: 0 8px;
}

.guest-upgrade-button {
  padding: 8px 16px;
  border: none;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.guest-upgrade-button:hover {
  background: var(--color-accent-strong);
}

/* ----------------------------------------
   MEDIA PANEL STYLES
   ---------------------------------------- */

.media-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.media-heading {
  margin: 0;
  font-size: 1.4rem;
  color: var(--color-text);
  font-weight: 600;
}

.media-refresh-button {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-target);
  color: var(--color-text);
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.media-refresh-button:hover {
  background: var(--color-accent-bg);
  color: var(--color-button-text);
}

/* ----------------------------------------
   KNOWLEDGE PANEL STYLES
   ---------------------------------------- */

.knowledge-detail-meta-container {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin: 8px 0;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.knowledge-detail-meta-item {
  display: flex;
  align-items: center;
  gap: 3px;
}

.knowledge-meta-icon {
  width: 12px;
  height: 12px;
  opacity: 0.6;
}

.knowledge-meta-avatar {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* 包む .knowledge-meta-avatar と同じ値にする (片方だけ px で残すと枠から突き出る) */
.knowledge-meta-avatar-img {
  width: 1.5rem;
  height: 1.5rem;
  object-fit: cover;
  border-radius: 50%;
}

.knowledge-scroll-sentinel {
  height: 1px;
  visibility: hidden;
}

.knowledge-detail-tags-display {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 8px 0;
}

.knowledge-permission-container {
  margin: 8px 0;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.knowledge-permission-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.knowledge-permission-select {
  padding: 3px 28px 3px 6px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8rem;
}

.knowledge-tags-editor-container {
  margin: 8px 0;
}

.knowledge-icon-small {
  width: 18px;
  height: 18px;
}

/* ----------------------------------------
   ADMIN PANEL STYLES
   ---------------------------------------- */

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.admin-heading {
  margin: 0;
  font-size: 1.5rem;
  color: var(--color-text);
}

.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.admin-card-header {
  margin: 0 0 16px 0;
  font-size: 1.2rem;
  color: var(--color-text);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-card-description {
  margin: 0 0 20px 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 危険なカード */
.admin-card--danger {
  border: 1px solid var(--color-status-error);
  background: rgba(var(--color-status-error-rgb), 0.05);
  margin-top: 40px;
}

/* 危険なカード見出し */
.admin-card-header--danger {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-status-error);
  margin-bottom: 12px;
}

/* セーブログ */
.changelog-list {
  max-height: 400px;
  overflow-y: auto;
}

.changelog-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.78rem;
}

.changelog-item:last-child {
  border-bottom: none;
}

.changelog-hash {
  font-family: monospace;
  color: var(--color-accent-text);
  flex-shrink: 0;
  font-size: 0.72rem;
}

.changelog-subject {
  flex: 1;
  color: var(--color-text);
}

.changelog-date {
  color: var(--color-muted);
  flex-shrink: 0;
  font-size: 0.72rem;
}

/* 小さな説明文 */
.admin-card-description--small {
  font-size: 0.75rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

/* 危険ボタン */
.admin-btn-danger {
  background: var(--color-status-error);
  color: var(--color-button-text);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 4px 10px;
  transition: all var(--animation-duration) ease;
}

.admin-btn-danger:hover {
  opacity: 0.9;
}

/* システム概要 統計グリッド */
.system-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.system-stat-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.system-stat-value {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
}

.system-stat-value--mono {
  font-family: monospace;
}

.system-stat-value--small {
  font-size: 0.9rem;
  font-weight: normal;
}

/* トグルスイッチ */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  transition: background 0.2s;
}

.toggle-slider:before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

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

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

/* ゲスト設定グリッド */
.guest-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.setting-label {
  font-size: 0.95rem;
  color: var(--color-text);
}

.setting-input-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.setting-number-input {
  width: 70px;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  text-align: center;
}

.setting-text-input {
  min-width: 0;
  flex: 1 1 200px;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
}

/* label の既定が縦並び (flex-direction: column) のため、 横並びを明示する */
.setting-checkbox-label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.setting-checkbox-label input[type='checkbox'] {
  margin: 0;
}

/* 設定項目を 1 列で縦に積む (ラベルと入力欄が横並びの行を並べる) */
.mail-settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.mail-settings-grid .setting-row {
  gap: 12px;
}

.mail-settings-grid .setting-label {
  flex: 0 0 130px;
}

/* 入力欄の左端をラベル幅で揃える (行ごとに開始位置がずれないように) */
.mail-settings-grid .setting-input-group {
  flex: 1 1 auto;
  justify-content: flex-start;
}

/* テスト送信欄と保存ボタンを両端に置く。 幅が足りなければ折り返す */
.mail-settings-footer {
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.mail-settings-footer .setting-input-group {
  flex: 1 1 260px;
}

.mail-settings-footer button {
  white-space: nowrap;
}

@media (max-width: 640px) {
  .mail-settings-grid .setting-row {
    flex-direction: column;
    align-items: stretch;
  }

  .mail-settings-grid .setting-label {
    flex: 0 0 auto;
  }

  .mail-settings-grid .setting-input-group {
    justify-content: flex-start;
  }
}

.setting-unit {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.setting-select {
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.9rem;
}

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

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.admin-form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.admin-form-input {
  padding: 12px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.admin-form-input:focus {
  border-color: var(--color-accent-text);
  outline: none;
}

.admin-form-select {
  padding: 12px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  cursor: pointer;
}

.admin-form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

.admin-button-primary {
  padding: 12px 24px;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.admin-button-primary:hover {
  background: var(--color-accent-strong);
}

.admin-button-secondary {
  padding: 12px 24px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-button-secondary:hover {
  background: var(--color-surface-alt);
}

.admin-button-danger {
  padding: 12px 24px;
  background: #e74c3c;
  color: var(--color-button-text);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.admin-button-danger:hover {
  background: #c0392b;
}

.admin-table-container {
  overflow-x: auto;
  margin-top: 16px;
}

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

.admin-table th {
  background: var(--color-surface-alt);
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
}

.admin-table td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.admin-table tr:hover {
  background: var(--color-surface-alt);
}

/* ----------------------------------------
   MOBILE STYLES
   ---------------------------------------- */

.mobile-guest-counter-inline {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-right: 8px;
}

/* ----------------------------------------
   UTILITY CLASSES
   ---------------------------------------- */

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

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-gap-12 {
  display: flex;
  gap: 12px;
}

.margin-bottom-16 {
  margin-bottom: 16px;
}

.margin-bottom-24 {
  margin-bottom: 24px;
}

.text-muted {
  color: var(--color-muted);
}

.font-small {
  font-size: 0.85rem;
}

.font-tiny {
  font-size: 0.75rem;
}

/* ----------------------------------------
   MODAL STYLES
   ---------------------------------------- */

.modal-width-default {
  width: 420px;
  max-width: 95vw;
}

.modal-width-large {
  width: 480px;
  max-width: 95vw;
}

/* ----------------------------------------
   FORM STYLES (GENERIC)
   ---------------------------------------- */

.form-grid {
  display: grid;
  gap: 16px;
}

.form-field-column {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field-with-gap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label-block {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--color-text);
}

.form-label-small {
  display: block;
  margin-bottom: 4px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.form-label-medium {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-hint-text {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.form-hint-small {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.form-input-full {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--color-bg);
  color: var(--color-text);
}

.form-input-full:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-input-compact {
  width: 100%;
  height: 36px;
  padding: 0 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  box-sizing: border-box;
}

.form-input-compact:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-textarea {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: inherit;
  line-height: 1.5;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-actions-end {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.form-actions-between {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
}

.form-field-flex-min {
  flex: 1;
  min-width: 150px;
}

.form-input-enhanced {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
}

.form-input-enhanced:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-input-readonly {
  background: var(--color-target);
  font-weight: 600;
}

.form-label-text-muted {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-hint-smallest {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.form-select {
  width: 100%;
  padding: 8px 32px 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: inherit;
  line-height: 1.5;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url('data:image/svg+xml;charset=UTF-8,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2212%22 height=%228%22 viewBox=%220 0 12 8%22%3E%3Cpath fill=%22%23666%22 d=%22M1.41 0L6 4.58 10.59 0 12 1.42l-6 6-6-6z%22/%3E%3C/svg%3E');
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-label-block {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--color-text);
}

.form-textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  resize: vertical;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.form-radio-group {
  display: flex;
  gap: 16px;
}

.form-radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.form-radio-label input[type='radio'] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.form-radio-label span {
  color: var(--color-text);
}

.form-input-monospace {
  font-family: monospace;
}

.form-info-box {
  padding: 12px;
  background: var(--color-surface);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.form-info-box p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.form-hint-small {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.form-code-display {
  display: none;
  padding: 16px;
  background: var(--color-surface);
  border-radius: 6px;
  border: 2px solid var(--color-accent-border);
}

.form-code-display.active {
  display: block;
}

.form-code-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.8125rem;
}

.form-code-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.form-code-input {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-accent-strong);
  font-family: monospace;
  font-weight: bold;
}

.form-code-copy-btn {
  padding: 10px 16px;
  background: var(--color-accent-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.form-code-copy-btn:hover {
  opacity: 0.9;
}

.confirm-text {
  margin: 0;
  color: var(--color-text);
  font-size: 0.95rem;
}

.confirm-details-box {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface-alt);
}

.confirm-details-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.confirm-label {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.confirm-value {
  font-size: 0.95rem;
  color: var(--color-text);
}

.confirm-value-strong {
  font-family: monospace;
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 600;
}

.popup-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 24px;
  border-top: 1px solid var(--color-border);
}

.popup-footer.space-between {
  justify-content: space-between;
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border: none;
}

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

.btn-warning {
  background: var(--color-warning);
  color: #fff;
  border: none;
}

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

.popup-body-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.media-preview {
  margin-bottom: 20px;
  text-align: center;
  position: relative;
}

.media-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.media-preview img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.media-preview .file-icon-preview {
  font-size: 3rem;
  padding: 20px;
}

/* 動画インライン再生（メディア詳細モーダル）
   縦撮りスマホ動画（1080×1920 等）でも視認性を保つため、
   ビューポート高さ基準の上限と固定 720px を min() で組み合わせ。
   横動画は max-width: 100% で横幅優先、縦動画は max-height で高さ優先。
   鬼教官 L-B 対応: 横向きスマホ等で 70vh が小さすぎる事を防ぐ下限ガード（max(280px, ...)）。 */
.media-preview-video {
  max-width: 100%;
  max-height: max(280px, min(70vh, 720px));
  border-radius: 8px;
  background: #000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  /* 動画自身の縦横比を維持（CSS で潰さない） */
  height: auto;
  width: auto;
}

/* 音声インライン再生（音符アイコン + audio コントロール縦並び） */
.media-preview-audio {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
}

.media-preview-audio .file-icon-preview {
  font-size: 3rem;
}

.media-preview-audio-player {
  width: 100%;
  max-width: 480px;
}

.media-edit-field {
  margin-bottom: 16px;
}

.media-edit-field label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}

.media-edit-field label.label-with-button {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.media-edit-field input[type='text'],
.media-edit-field textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
}

.media-edit-field input[readonly] {
  background: var(--color-surface);
  opacity: 0.7;
}

.media-edit-field textarea {
  resize: vertical;
}

.media-edit-field small {
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}

.tag-manage-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  min-height: 42px;
}

/* メディアナビゲーションボタン */
.media-nav-button {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  z-index: 10001;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

/* 画像ポップアップ用のナビゲーションボタン配置（画面端に配置） */
.image-popup-overlay #image-popup-nav-prev {
  left: 20px;
}

.image-popup-overlay #image-popup-nav-next {
  right: 20px;
}

/* モバイル: 画像ポップアップのナビボタンを画面端寄りに */
@media (max-width: 768px) {
  .image-popup-overlay #image-popup-nav-prev {
    left: 10px;
  }

  .image-popup-overlay #image-popup-nav-next {
    right: 10px;
  }

  .media-preview {
    margin-bottom: 12px;
  }

  .media-preview img {
    max-height: 150px; /* さらに小さく */
  }

  .media-edit-field {
    margin-bottom: 10px;
  }

  .media-edit-field label {
    font-size: 0.875rem;
    margin-bottom: 4px;
  }

  .media-edit-field input,
  .media-edit-field textarea {
    font-size: 1rem; /* iOS Safariのズーム防止 */
    padding: 8px;
  }

  .media-edit-field textarea {
    min-height: 60px; /* テキストエリアの高さを制限 */
  }

  /* 画像ツール（圧縮・リサイズ）のセクションを折りたたみ可能に */
  .media-image-tools {
    margin-bottom: 8px;
  }

  .media-image-tools label {
    cursor: pointer;
  }

  /* タグ入力エリア */
  .tag-manage-container {
    flex-wrap: wrap;
  }

  .tag-manage-chip {
    font-size: 0.8125rem;
    padding: 6px 12px;
  }

  /* 画像圧縮・リサイズUIを縦並びに */
  .compress-controls,
  .resize-controls {
    flex-direction: column;
    gap: 12px;
  }

  .resize-inputs {
    flex-direction: column;
    gap: 12px;
  }

  .resize-inputs .input-group {
    width: 100%;
  }

  /* ボタンエリア */
  .popup-footer .btn {
    min-height: 44px; /* タッチ操作しやすいサイズ */
  }
}

.media-nav-button:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.8);
  transform: translateY(-50%) scale(1.1);
}

.media-nav-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.media-nav-button svg {
  width: 24px;
  height: 24px;
}

/* バルク操作ツールバー */
.media-bulk-toolbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-accent);
  color: white;
  padding: 12px 16px;
  margin-bottom: 0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-100%);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.media-bulk-toolbar--visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
  margin-bottom: 16px;
}

.media-bulk-toolbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.media-bulk-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.media-bulk-info span {
  font-weight: 500;
}

.media-bulk-info .btn-text {
  color: white;
  opacity: 0.9;
  padding: 4px 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: underline;
  font-size: 0.9rem;
}

.media-bulk-info .btn-text:hover {
  opacity: 1;
}

.media-bulk-actions {
  display: flex;
  gap: 8px;
  /* AIタグ提案の追加でボタンが 5 個になったため、狭幅では折り返す */
  flex-wrap: wrap;
}

.media-bulk-actions .btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: white;
  color: var(--color-accent);
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.media-bulk-actions .btn:hover {
  background: #f5f5f5;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.media-bulk-actions .btn-danger {
  background: var(--color-status-off);
  color: white;
}

.media-bulk-actions .btn-danger:hover {
  background: #c62828;
}

.warning-box {
  padding: 12px;
  border: 1px solid var(--color-warning);
  border-radius: 8px;
  background: rgba(255, 193, 7, 0.1);
}

.warning-box p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ----------------------------------------
   TABLE HEADER STYLES
   ---------------------------------------- */

.table-header-cell {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.9rem;
}

/* ----------------------------------------
   CODE DISPLAY STYLES
   ---------------------------------------- */

.code-inline {
  padding: 2px 4px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  background: var(--color-surface-alt);
}

/* ----------------------------------------
   TOGGLE SWITCH STYLES
   ---------------------------------------- */

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: 0.3s;
  border-radius: 26px;
}

.toggle-slider:before {
  position: absolute;
  content: '';
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-button-text);
  transition: 0.3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--color-accent-text);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===================================
   通知ビュー
   =================================== */

/* パネル */
.notifications-panel {
  padding: 0;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background: var(--color-bg, #1a1b23);
}

/* ツールバー */
.notifications-panel__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.notifications-panel__toolbar-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.72rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.notifications-panel__toolbar-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-text);
}

.notifications-panel__toolbar-btn--icon {
  padding: 5px;
  flex-shrink: 0;
}

.notifications-panel__toolbar-btn--icon svg {
  width: 14px;
  height: 14px;
}

.notifications-panel__toolbar-info {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  color: var(--color-text-secondary);
  font-size: 0.72rem;
}

/* フィルターバー */
.notification-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.notification-filters__select {
  padding: 4px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  color: var(--color-text);
  font-size: 0.7rem;
  cursor: pointer;
  max-width: 160px;
  transition: border-color 0.2s ease;
}

.notification-filters__select:focus {
  outline: none;
  border-color: var(--color-accent-text);
}

.notification-filters__sort-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.7rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.notification-filters__sort-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-text);
}

.notification-filters__unread-btn {
  display: flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.7rem;
  white-space: nowrap;
  transition:
    background 0.15s,
    border-color 0.15s;
}

.notification-filters__unread-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-text);
}

.notification-filters__unread-btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.notification-filters__unread-btn--active:hover {
  background: var(--color-accent-hover, var(--color-accent));
}

.notification-filters__search {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 120px;
  padding: 4px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  transition: border-color 0.2s ease;
}

.notification-filters__search:focus-within {
  border-color: var(--color-accent-text);
}

.notification-filters__search svg {
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

.notification-filters__search input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 0.7rem;
  outline: none;
  min-width: 0;
}

.notification-filters__search input::placeholder {
  color: var(--color-text-secondary);
}

/* リスト */
.notifications-list {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
}

/* 右クリック / 長押しで出す通知操作メニュー */
.notifications-context-menu {
  position: fixed;
  z-index: 2000;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-hover);
  padding: 4px 0;
  min-width: 160px;
}

.notifications-context-menu__item {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text);
  transition: background 0.15s ease;
}

.notifications-context-menu__item:hover {
  background: var(--color-bg);
}

/* 空状態 */
.notifications-empty {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.notifications-load-more {
  padding: 1rem;
  text-align: center;
}

.notifications-load-more__btn {
  padding: 8px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.8rem;
  transition: background 0.15s;
}

.notifications-load-more__btn:hover {
  background: var(--color-surface-alt);
}

.notifications-load-more__btn:disabled {
  cursor: default;
  opacity: 0.6;
}

/* --- 通知アイテム（Gmail風1行） --- */
.notifications-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  cursor: default;
  transition: background 0.12s;
  position: relative;
  min-height: 2.5rem;
}

.notifications-item:hover {
  background: var(--color-surface);
}

/* 未読 -- 左線 + 薄いアクセント背景 + クリッカブル */
.notifications-item--unread {
  background: rgba(var(--color-accent-rgb), 0.04);
  cursor: pointer;
}

.notifications-item--unread::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}

.notifications-item--unread:hover {
  background: rgba(var(--color-accent-rgb), 0.07);
}

/* ソース名（左、固定幅） -- Gmailの差出人に相当 */
.notifications-item__source {
  flex-shrink: 0;
  width: 6rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notifications-item--unread .notifications-item__source {
  font-weight: 500;
  color: var(--color-text);
}

/* コンテンツ（中央、1行でタイトル+本文を繋げる） */
.notifications-item__content {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.notifications-item__title {
  font-weight: 400;
  color: var(--color-text);
}

.notifications-item--unread .notifications-item__title {
  font-weight: 600;
}

.notifications-item__body {
  color: var(--color-muted);
}

/* 時間（右端） */
.notifications-item__time {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--color-muted);
  white-space: nowrap;
  min-width: 3.5rem;
  text-align: right;
}

/* 閲覧権限の申請に対する承認 / 却下 (設計 2026-07-25)
   通知一覧の行内で完結させる = メディア画面を開かずに許可できるのが目的。
   行クリック (既読化 + 遷移) と競合しないよう、 ボタン側で stopPropagation する */
.notifications-item__request-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-left: 0.5rem;
}

.notifications-item__request-btn {
  padding: 0.125rem 0.5rem;
  font-family: inherit;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s;
}

.notifications-item__request-btn:hover:not(:disabled) {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

.notifications-item__request-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* 処理後の結果表示 (ボタンを置き換える) */
.notifications-item__request-result {
  flex-shrink: 0;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--color-muted);
}

/* アクションボタン群 -- 常時表示 */
.notifications-item__actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.25rem;
}

.notifications-item__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  border-radius: 6px;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.12s;
}

.notifications-item__action-btn:hover {
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent);
}

.notifications-item__action-btn svg {
  width: 1rem;
  height: 1rem;
}

/* リンクなしアイテム用スペーサー（レイアウト維持） */
.notifications-item__action-spacer {
  display: inline-block;
  width: 2rem;
  height: 2rem;
}

/* サイドバー通知バッジ */
#notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.25rem;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
  border-radius: 999px;
  background: var(--color-accent-strong, #7986cb);
  color: #fff;
}

/* サブメニュー内の通知バッジ */
.submenu-badge {
  margin-left: auto;
  background: var(--color-accent-strong, #7986cb);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  min-width: 1.1rem;
  text-align: center;
  line-height: 1.3;
}

/* --- 通知コンテンツタブ --- */
.notification-content-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 0 16px;
}

.notification-content-tab {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.notification-content-tab:hover {
  color: var(--color-text);
  background: var(--color-bg-hover);
}

.notification-content-tab--active {
  color: var(--color-accent-text);
  border-bottom-color: var(--color-accent-text);
}

/* --- 送信履歴 --- */
.sent-history-item {
  cursor: pointer;
}

.sent-history-item__media-icon {
  flex-shrink: 0;
  opacity: 0.5;
  margin-right: 4px;
}

.sent-history-load-more {
  display: block;
  width: 100%;
  padding: 12px;
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font-size: 0.85rem;
  text-align: center;
}

.sent-history-load-more:hover {
  background: var(--color-bg-hover);
}

.notifications-loading {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

/* ==========================================
   ダッシュボード改善: グラフ・TOP3・アクティビティ
   ========================================== */

/* 2カラム行 */
.dashboard-row {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.dashboard-section--flex {
  flex: 1;
  min-width: 0;
}

.dashboard-section__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 10px 0;
}

.dashboard-chart {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
}

/* 棒グラフ */
.mini-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding-top: 20px;
}

.mini-bar-chart__col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.mini-bar-chart__bar-area {
  width: 100%;
  max-width: 40px;
  display: flex;
  align-items: flex-end;
}

.mini-bar-chart__bar {
  width: 100%;
  min-height: 2px;
  border-radius: 3px 3px 0 0;
  transition: height 0.3s ease;
}

.mini-bar-chart__value {
  font-size: 0.625rem;
  color: var(--color-muted);
  line-height: 1;
}

.mini-bar-chart__label {
  font-size: 0.6875rem;
  color: var(--color-muted);
  line-height: 1;
}

.mini-chart__empty {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8125rem;
  padding: 24px 0;
  margin: 0;
}

/* 折れ線グラフ */
.mini-line-chart {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
}

.mini-line-chart svg {
  width: 100%;
  display: block;
}

.mini-line-chart__line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mini-line-chart__dot {
  transition: r 0.15s ease;
  cursor: default;
}

.mini-line-chart__dot:hover {
  r: 5;
}

.mini-line-chart__grid {
  stroke: var(--color-border);
  stroke-width: 0.5;
  stroke-dasharray: 4 4;
}

.mini-line-chart__x-label {
  fill: var(--color-muted);
  font-size: 6px;
}

.mini-line-chart__y-label {
  fill: var(--color-muted);
  font-size: 5px;
  text-anchor: start;
}

/* プログレスバー */
.mini-progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.mini-progress__bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* TOP3チャットリスト */
.top-chats-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.top-chats-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
  transition: background 0.15s ease;
  border-bottom: 1px solid var(--color-border);
}

.top-chats-item:last-child {
  border-bottom: none;
}

.top-chats-item:hover {
  background: var(--color-surface-alt);
}

.top-chats-item--empty {
  cursor: default;
  color: var(--color-muted);
  font-size: 0.8125rem;
  justify-content: center;
  padding: 24px 12px;
}

.top-chats-item--empty:hover {
  background: transparent;
}

.top-chats-item__rank {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent-text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  flex-shrink: 0;
}

.top-chats-item__title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.8125rem;
  color: var(--color-text);
}

.top-chats-item__count {
  font-size: 0.6875rem;
  color: var(--color-muted);
  flex-shrink: 0;
}

/* アクティビティフィード（ダッシュボード・過去ログ共通） */
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  margin: 0;
  border-radius: 6px;
  transition: background 0.15s ease;
}

.activity-item:hover {
  background: var(--color-surface-alt);
}

.activity-item--mention {
  background: rgba(68, 136, 255, 0.06);
}

.activity-item__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--color-muted);
  margin-top: 1px;
}

.activity-item__icon svg {
  display: block;
}

.activity-item--mention .activity-item__icon {
  color: #4488ff;
}

.activity-item__body {
  flex: 1;
  min-width: 0;
}

.activity-item__description {
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.4;
}

.activity-item__time {
  font-size: 0.6875rem;
  color: var(--color-muted);
  margin-top: 2px;
}

/* 導線リンク（ダッシュボード → アナリティクス） */
.admin-analytics-link {
  margin-top: 12px;
  text-align: right;
}

.dashboard-text-link {
  color: var(--color-accent-text);
  font-size: 0.8125rem;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.15s ease;
}

.dashboard-text-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ひとこと分析 */
.dashboard-insights-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
}

.dashboard-insight-item {
  margin: 0;
  padding: 4px 0;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.dashboard-insight-item + .dashboard-insight-item {
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  padding-top: 8px;
}

/* レスポンシブ: 狭い画面では縦並び */
@media (max-width: 600px) {
  .dashboard-row {
    flex-direction: column;
  }
}

/* ==========================================
   アナリティクス改善: グラフ・ランキング・前週比
   ========================================== */

.analytics-section {
  margin-bottom: 24px;
}

.analytics-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.analytics-section__header .admin-subtitle {
  margin-bottom: 0;
}

/* 期間切替ボタン */
.analytics-period-toggle {
  display: flex;
  gap: 4px;
}

.analytics-period-btn {
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.analytics-period-btn:hover {
  border-color: var(--color-accent-text);
  color: var(--color-text);
}

.analytics-period-btn--active {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
}

/* 前週比表示 */
.stat-card-change {
  font-size: 0.6875rem;
  font-weight: 500;
  margin-top: 4px;
  color: var(--color-muted);
}

.stat-card-change--up {
  color: var(--color-success, #4caf50);
}

.stat-card-change--down {
  color: var(--color-error, #f44336);
}

/* ============================================
   AI使用状況ダッシュボード
   ============================================ */
.ai-usage-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ai-usage-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
}

.ai-usage-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ai-usage-table thead {
  background: var(--color-surface-alt);
}

.ai-usage-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.ai-usage-table th.ai-usage-num,
.ai-usage-table td.ai-usage-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.ai-usage-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.ai-usage-table tbody tr:last-child td {
  border-bottom: none;
}

.ai-usage-table tbody tr:hover {
  background: rgba(var(--color-accent-rgb, 101, 116, 205), 0.05);
}

.ai-usage-empty {
  text-align: center !important;
  color: var(--color-muted) !important;
  padding: 24px 12px !important;
}

.ai-usage-error {
  color: var(--color-status-error);
  font-weight: 600;
}

.ai-usage-note {
  margin-top: 16px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: rgba(var(--color-accent-rgb, 101, 116, 205), 0.04);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.ai-usage-note code {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.8125rem;
}

/* チャットランキング */
.analytics-ranking {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.analytics-ranking__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.analytics-ranking__item:last-child {
  border-bottom: none;
}

.analytics-ranking__rank {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent-text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  flex-shrink: 0;
}

.analytics-ranking__info {
  flex: 1;
  min-width: 0;
}

.analytics-ranking__title {
  font-size: 0.8125rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}

.analytics-ranking__bar {
  width: 100%;
}

.analytics-ranking__count {
  font-size: 0.6875rem;
  color: var(--color-muted);
  flex-shrink: 0;
}

/* ==========================================
   まとめ読み SidePanel
   ========================================== */
.catchup-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--color-border);
}

.catchup-toolbar__btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 0.15s;
}

.catchup-toolbar__btn:hover {
  background: var(--color-surface-alt);
}

.catchup-toolbar__btn svg {
  flex-shrink: 0;
}

.catchup-toolbar__btn--primary {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
}

.catchup-toolbar__btn--primary:hover {
  background: var(--color-accent);
  opacity: 0.9;
}

.catchup-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition:
    background 0.15s,
    opacity 0.3s;
}

.catchup-item:hover {
  background: var(--color-surface-alt);
}

.catchup-item--removing {
  opacity: 0;
  pointer-events: none;
}

.catchup-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.catchup-item__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.catchup-item__badge {
  flex-shrink: 0;
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--color-muted);
  color: var(--color-button-text);
}

.catchup-item__badge--blue {
  background: #4488ff;
}

.catchup-item__badge--red {
  background: #ff4444;
}

.catchup-item__badge--purple {
  background: #aa44ff;
}

.catchup-item__preview {
  font-size: 0.75rem;
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}

.catchup-item__from {
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-right: 4px;
}

.catchup-item__meta {
  margin-bottom: 6px;
}

.catchup-item__time {
  font-size: 0.6875rem;
  color: var(--color-muted);
}

.catchup-item__actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.catchup-item__btn {
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all 0.15s;
}

.catchup-item__btn:hover {
  background: var(--color-surface-alt);
}

.catchup-item__btn--open {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
}

.catchup-item__btn--open:hover {
  opacity: 0.9;
}

/* 既読ログ (読んだのはこれ、の振り返り) */
.catchup-log {
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
}

.catchup-log__title {
  padding: 10px 16px 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-muted);
}

.catchup-item--log {
  opacity: 0.75;
}

.catchup-item--log:hover {
  opacity: 1;
}

.catchup-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  color: var(--color-muted);
  gap: 12px;
}

.catchup-empty p {
  font-size: 0.8125rem;
  margin: 0;
}

.catchup-loading {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.catchup-action-badge {
  margin-left: 4px;
  padding: 1px 5px;
  border-radius: 8px;
  font-size: 0.625rem;
  font-weight: 600;
  background: var(--color-accent);
  color: var(--color-button-text);
}

/* ==============================================
   アナリティクス統計テキスト
   ============================================== */

.analytics-stat-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin-top: 8px;
}

.analytics-stat-sub {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ==============================================
   ローディングプレースホルダー
   ============================================== */

.loading-placeholder {
  padding: 40px;
  text-align: center;
}

.loading-text {
  margin-top: 12px;
  color: var(--color-muted);
}

.loading-text--center {
  color: var(--color-muted);
  padding: 20px;
  text-align: center;
}

/* ==============================================
   チャットフィルター無効状態
   ============================================== */

.chat-filter-disabled {
  color: var(--color-muted);
  font-style: italic;
  pointer-events: none;
}