/* ========================================
   Settings View Styles
   ======================================== */

/* Settings tabs container */
.settings-tabs-wrapper {
  background: transparent;
  border-radius: 0;
  overflow: hidden;
}

.settings-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

/* Settings tab button */
.settings-tab {
  flex: 1;
  padding: 16px 24px;
  background: transparent;
  color: var(--color-muted);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

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

/* Settings tab content container */
.settings-tab-content {
  padding: 0;
}

/* Settings main container */
.settings-container {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: 32px;
}

.settings-container--wide {
  gap: 40px;
}

/* Settings typography */
.settings-heading {
  margin: 0 0 16px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.settings-heading--small {
  font-size: 0.85rem;
  font-weight: 500;
}

.settings-description {
  margin: 0 0 20px 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.settings-description--small {
  font-size: 0.75rem;
  margin: 0 0 16px 0;
  line-height: 1.5;
}

/* Settings alert boxes */
.settings-alert {
  padding: 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--color-text);
}

.settings-alert--warn {
  background: var(--color-status-warn-bg, #fff3cd);
  border: 1px solid var(--color-status-warn, #ffc107);
}

.settings-alert--error {
  border: 1px solid var(--color-status-error, #dc3545);
}

/* Settings form control container */
.settings-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.settings-control__label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.settings-control__sublabel {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* Settings form labels */
.settings-form-label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}

.settings-form-label--small {
  font-size: 0.8rem;
  margin-bottom: 8px;
}

/* Settings text input */
.settings-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

/* Settings grid layouts */
.settings-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.settings-grid-2--small-gap {
  gap: 12px;
}

/* Settings buttons */
.settings-btn {
  padding: 12px 32px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.settings-btn--primary {
  background: var(--color-accent-bg);
  color: white;
}

.settings-btn--primary-full {
  width: 100%;
  padding: 14px;
  font-size: 0.95rem;
}

.settings-btn--secondary {
  width: 100%;
  padding: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.settings-btn--transparent {
  padding: 4px 0;
  background: none;
  border: none;
  color: var(--color-accent-text);
  cursor: pointer;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Settings image preview */
.settings-image-preview {
  position: relative;
  min-height: 100px;
  padding: 20px;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-image-preview--small {
  min-height: 80px;
}

.settings-image-preview--light {
  background: #fefefe;
}

.settings-image-preview--dark {
  background: #22252d;
}

.settings-image-preview--theme {
  background: var(--color-bg);
}

.settings-image-preview__text {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.settings-image-preview__text--dark {
  color: #999;
}

.settings-image-preview__clear {
  display: none;
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  padding: 0;
  background: var(--color-surface);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1;
  transition: all 0.2s ease;
  z-index: 10;
}

/* Settings footer actions */
.settings-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* Settings theme button */
.settings-theme-btn {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface-alt);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  font-weight: 400;
}

.settings-theme-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover, rgba(0, 0, 0, 0.03));
}

.settings-theme-btn--active {
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: white;
  font-weight: 600;
}

.settings-theme-btn--active:hover {
  opacity: 0.9;
}

/* Settings divider section */
.settings-divider-section {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* Settings utility classes */
.settings-mt-12 {
  margin-top: 12px;
}

/* ========================================
   Reaction Icons Settings
   ======================================== */

/* Reaction icons grid - 8x4 layout */
.reaction-icons-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}

/* Individual reaction icon item */
.reaction-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  transition: all 0.2s ease;
}

.reaction-icon-item--disabled {
  opacity: 0.4;
}

.reaction-icon-item:hover {
  border-color: var(--color-accent);
}

/* Reaction icon preview */
.reaction-icon-preview {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reaction-icon-preview svg {
  width: 100%;
  height: 100%;
}

/* Reaction icon label */
.reaction-icon-label {
  font-size: 0.7rem;
  color: var(--color-text);
  text-align: center;
  min-height: 2em;
  display: flex;
  align-items: center;
}

/* Toggle switch small variant */
.toggle-switch--small {
  transform: scale(0.8);
}

/* Responsive: 4 columns on medium screens */
@media (max-width: 1024px) {
  .reaction-icons-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Responsive: 3 columns on small screens */
@media (max-width: 768px) {
  .reaction-icons-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .reaction-icon-item {
    padding: 8px;
  }
}

/* Reaction Icon Card Styles */
.reaction-icon-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 8px 4px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.5;
}

.reaction-icon-card--enabled {
  opacity: 1;
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

.reaction-icon-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.reaction-icon-card--dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.reaction-icon-card__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.reaction-icon-card__icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.reaction-icon-card__icon svg {
  width: 100%;
  height: 100%;
}

.reaction-icon-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reaction-icon-card__label {
  font-size: 0.75rem;
  color: var(--color-text);
  text-align: center;
  font-weight: 500;
  max-width: 54px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Delete button for custom icons */
.reaction-icon-card__delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-danger, #dc2626);
  color: white;
  border: none;
  font-size: 0.875rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 2;
}

.reaction-icon-card--custom:hover .reaction-icon-card__delete {
  opacity: 1;
}

.reaction-icon-card__delete:hover {
  background: var(--color-danger-hover, #b91c1c);
  transform: scale(1.1);
}

/* Add button styling */
.reaction-icon-card--add {
  border: 2px dashed var(--color-border);
  background: transparent;
  opacity: 0.6;
}

.reaction-icon-card--add:hover {
  opacity: 1;
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

.reaction-icon-card--add .reaction-icon-card__icon {
  color: var(--color-text-secondary);
}

.reaction-icon-card--add:hover .reaction-icon-card__icon {
  color: var(--color-accent);
}

/* Make add button non-draggable */
.reaction-icon-card--add {
  cursor: pointer;
}

.reaction-icon-card--add[draggable='true'] {
  cursor: pointer;
}

/* Shake animation for limit reached */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-4px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(4px);
  }
}

.reaction-icon-card--shake {
  animation: shake 0.5s ease-in-out;
  border-color: var(--color-warning, #f59e0b) !important;
}

/* --- メニュー設定（サイドバーカスタマイズ） --- */

.settings-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid transparent;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
  cursor: default;
  user-select: none;
}

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

.settings-sidebar-item.dragging {
  opacity: 0.3;
  background: var(--color-surface-alt);
  border: 1px dashed var(--color-border);
}

.settings-sidebar-item.drag-over {
  position: relative;
  margin-top: 6px;
}

.settings-sidebar-item.drag-over::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 8px;
  right: 8px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.settings-sidebar-item.drag-over-bottom {
  position: relative;
  margin-bottom: 6px;
}

.settings-sidebar-item.drag-over-bottom::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 8px;
  right: 8px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.settings-sidebar-item--clone {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.settings-sidebar-handle {
  cursor: grab;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  padding: 2px;
  flex-shrink: 0;
}

.settings-sidebar-handle:active {
  cursor: grabbing;
}

.settings-sidebar-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-muted);
}

.settings-sidebar-label {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text);
}

.settings-sidebar-toggle-area {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.settings-sidebar-required {
  font-size: 0.7rem;
  color: var(--color-muted);
  white-space: nowrap;
}

/* トグルスイッチ（attendance-managerパターン踏襲） */
.settings-sidebar-toggle {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.settings-sidebar-toggle input[type='checkbox'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.settings-sidebar-toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background: var(--color-surface-alt, #2b2d36);
  border: 1px solid var(--color-border, #2f3138);
  border-radius: 10px;
  transition:
    background 0.2s,
    border-color 0.2s;
  flex-shrink: 0;
}

.settings-sidebar-toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--color-muted, #afb3c5);
  border-radius: 50%;
  transition:
    transform 0.2s,
    background 0.2s;
}

.settings-sidebar-toggle input:checked + .settings-sidebar-toggle-switch {
  background: rgba(109, 180, 155, 0.2);
  border-color: var(--color-status-ok, #6db49b);
}

.settings-sidebar-toggle input:checked + .settings-sidebar-toggle-switch::after {
  transform: translateX(16px);
  background: var(--color-status-ok, #6db49b);
}

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

.settings-sidebar-toggle input:focus-visible + .settings-sidebar-toggle-switch {
  outline: 2px solid var(--color-accent, #7282bb);
  outline-offset: 2px;
}

/* Color presets (デザインパターン / スキン) */
.color-preset-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.color-preset-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.color-preset-card__info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.color-preset-card__swatches {
  display: flex;
  flex-shrink: 0;
}

.color-preset-swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.color-preset-swatch + .color-preset-swatch {
  margin-left: -5px;
}

.color-preset-card__name {
  font-size: 0.9rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.color-preset-card__badge {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-alt);
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.color-preset-card__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.color-preset-btn {
  padding: 6px 12px;
  font-size: 0.78rem;
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.color-preset-btn.settings-btn--primary {
  background: var(--color-accent-bg);
  color: #fff;
  border-color: transparent;
}

.color-preset-empty {
  margin: 0;
}

@media (max-width: 600px) {
  .color-preset-card {
    flex-direction: column;
    align-items: stretch;
  }

  .color-preset-card__actions {
    justify-content: flex-end;
  }
}

/* ============================================
   AIツール公開設定 (MCP 公開ツール許可リスト)
   ============================================ */

.mcp-tools-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.mcp-tools-lead {
  margin: 0 0 16px;
  color: var(--color-text-secondary, #6b7280);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 68ch;
}

.mcp-tools-status {
  padding: 10px 14px;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface-alt);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 警告は色だけに頼らず、 文言そのものが状態を説明する (色覚差への配慮) */
.mcp-tools-status--warning {
  border-color: var(--color-warning, #f59e0b);
  background: var(--color-warning-bg, rgba(245, 158, 11, 0.12));
}

.mcp-tool-group {
  margin-bottom: 24px;
}

.mcp-tool-group-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.mcp-tool-items {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.mcp-tool-item + .mcp-tool-item {
  border-top: 1px solid var(--color-border);
}

.mcp-tool-label {
  display: flex;
  /* ui.css が label 全体に flex-direction: column を当てているため明示的に戻す */
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  /* タッチ標的を 44px 以上に保つための最小高さ + 余白 */
  min-height: 44px;
  padding: 12px 14px;
  cursor: pointer;
}

.mcp-tool-label:hover {
  background: var(--color-surface-alt);
}

.mcp-tool-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.mcp-tool-checkbox:disabled {
  cursor: not-allowed;
}

/* 行全体がラベルなので、 チェックできない状態では行のカーソルも変える
   (pointer のままだと押せそうに見える) */
.mcp-tool-label:has(.mcp-tool-checkbox:disabled) {
  cursor: not-allowed;
}

.mcp-tool-label:has(.mcp-tool-checkbox:disabled):hover {
  background: transparent;
}

.mcp-tool-checkbox:disabled + .mcp-tool-text {
  opacity: 0.65;
}

.mcp-tool-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.mcp-tool-name {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.5;
}

.mcp-tool-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.75rem;
  color: var(--color-text-secondary, #6b7280);
}

/* 内部のツール名は長いので折り返しを許す。 種別ラベルは折らない */
.mcp-tool-kind {
  white-space: nowrap;
}

.mcp-tool-id {
  word-break: break-all;
}

.mcp-tools-loading,
.mcp-tools-empty {
  margin: 0;
  padding: 16px;
  color: var(--color-text-secondary, #6b7280);
  font-size: 0.85rem;
}

.mcp-tools-unavailable {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.mcp-tools-unavailable-lead {
  margin: 0 0 12px;
  color: var(--color-text-secondary, #6b7280);
  font-size: 0.83rem;
  line-height: 1.7;
  max-width: 68ch;
}

.mcp-tools-unavailable-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mcp-tools-unavailable-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface-alt);
}

.mcp-tools-unavailable-item + .mcp-tools-unavailable-item {
  margin-top: 8px;
}

.mcp-tools-unavailable-name {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.85rem;
  color: var(--color-text);
}

.mcp-tools-unavailable-note {
  font-size: 0.78rem;
  color: var(--color-text-secondary, #6b7280);
  line-height: 1.6;
}

@media (max-width: 600px) {
  /* 見出しとボタンを横並びのままにすると「AIツール公 / 開設定」のように
     タイトルが不自然な位置で折れるため、 縦積みにして 1 行で読ませる */
  #mcp-tools-view .admin-header {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
  }

  .mcp-tools-header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .mcp-tool-label {
    padding: 14px 12px;
  }
}