/* =====================================================
   CSS変数（テーマ管理）
   ===================================================== */
:root {
  --bg-base:        #0f0f13;
  --bg-card:        #1a1a24;
  --bg-card-hover:  #20202e;
  --bg-input:       #12121a;
  --bg-elevated:    #23233a;

  --accent:         #6c63ff;
  --accent-hover:   #5a53e8;
  --accent-light:   rgba(108, 99, 255, 0.15);
  --accent-glow:    rgba(108, 99, 255, 0.4);

  --text-primary:   #f0f0f8;
  --text-secondary: #a0a0c0;
  --text-muted:     #606080;

  --border:         #2a2a40;
  --border-focus:   #6c63ff;

  --success:        #4caf50;
  --warning:        #ff9800;
  --danger:         #f44336;
  --info:           #2196f3;

  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      18px;

  --shadow:         0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.6);

  --transition:     0.18s ease;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* =====================================================
   ヘッダー
   ===================================================== */
.site-header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.header-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* =====================================================
   メインコンテナ
   ===================================================== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* =====================================================
   カード
   ===================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

.card:hover {
  border-color: #3a3a58;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* =====================================================
   トグルグループ（変換方向・品質・形式）
   ===================================================== */
.toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toggle-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1.3;
  padding: 8px 14px;
  text-align: center;
  transition: all var(--transition);
  white-space: nowrap;
}

.toggle-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.toggle-btn.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 0 0 1px var(--accent-glow);
}

/* =====================================================
   変換方向
   ===================================================== */
.ratio-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.ratio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ratio-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ratio-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  padding-top: 24px;
  font-weight: 300;
}

/* =====================================================
   アップロードゾーン
   ===================================================== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
}

.upload-zone.drag-over::after {
  content: 'ドロップして追加';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(108, 99, 255, 0.12);
  border-radius: inherit;
}

.upload-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.upload-text {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.upload-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* =====================================================
   ファイル一覧
   ===================================================== */
.file-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.file-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition);
}

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

.file-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.file-info {
  padding: 6px 8px;
}

.file-name {
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-ratio {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.file-status {
  font-size: 0.65rem;
  font-weight: 600;
  padding-top: 2px;
}

.file-status.pending   { color: var(--text-muted); }
.file-status.processing { color: var(--warning); }
.file-status.done      { color: var(--success); }
.file-status.error     { color: var(--danger); }

.file-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0,0,0,0.7);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.file-item:hover .file-remove {
  opacity: 1;
}

/* =====================================================
   モード選択グリッド
   ===================================================== */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.mode-card {
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 16px 12px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.mode-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.mode-card.active {
  background: var(--accent-light);
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.mode-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.mode-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.mode-desc {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.mode-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mode-badge.default {
  background: var(--accent);
  color: #fff;
}

/* =====================================================
   モードオプション共通
   ===================================================== */
.mode-options {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-top: 16px;
  padding: 20px;
}

.option-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =====================================================
   サブモードグリッド（Mode 2）
   ===================================================== */
.submode-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.submode-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.78rem;
  line-height: 1.4;
  padding: 8px 14px;
  text-align: center;
  transition: all var(--transition);
}

.submode-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.submode-btn.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.submode-detail {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 12px;
  padding: 16px;
}

/* =====================================================
   フォーム要素
   ===================================================== */
.form-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.88rem;
  padding: 10px 12px;
  resize: vertical;
  transition: border-color var(--transition);
  width: 100%;
}

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

.form-file {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 8px 10px;
  width: 100%;
}

.form-range {
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 4px;
  cursor: pointer;
  height: 4px;
  outline: none;
  width: 100%;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  height: 16px;
  width: 16px;
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-color {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  height: 40px;
  padding: 2px;
  width: 60px;
  transition: border-color var(--transition);
}

.form-color:hover {
  border-color: var(--accent);
}

.form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 8px 10px;
  transition: border-color var(--transition);
  width: 100%;
}

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

.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.form-col {
  flex: 1;
  min-width: 100px;
}

/* =====================================================
   参照画像プレビュー
   ===================================================== */
.ref-preview-wrap,
.bg-preview-wrap {
  margin-top: 10px;
}

.ref-preview-img {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: block;
  height: auto;
  max-height: 160px;
  max-width: 100%;
  object-fit: contain;
}

/* =====================================================
   グラデーションプレビュー
   ===================================================== */
.gradient-preview {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  height: 60px;
  margin-top: 12px;
  transition: all var(--transition);
}

/* =====================================================
   カラープリセット
   ===================================================== */
.color-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.color-preset {
  border: 2px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  height: 32px;
  width: 32px;
  transition: all var(--transition);
}

.color-preset:hover {
  border-color: var(--accent);
  transform: scale(1.15);
}

/* =====================================================
   マスクキャンバス（Mode 2-E）
   ===================================================== */
.mask-canvas {
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  cursor: crosshair;
  display: block;
  margin-top: 10px;
  max-width: 100%;
}

.mask-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

/* =====================================================
   品質・出力設定
   ===================================================== */
.quality-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.quality-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-width: 160px;
}

/* =====================================================
   プレビューエリア
   ===================================================== */
.preview-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.preview-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 40px;
  text-align: center;
  grid-column: 1 / -1;
}

.preview-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.preview-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.preview-item-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.preview-item-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.preview-canvases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
}

.preview-canvas-wrap {
  position: relative;
}

.preview-canvas-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  padding: 4px 0;
}

.preview-canvas-img {
  border-radius: 4px;
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #111;
}

.preview-item-actions {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}

/* =====================================================
   候補グリッド（Mode 2-D）
   ===================================================== */
.candidates-result {
  margin-top: 20px;
}

.candidates-grid-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.candidate-item {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition);
}

.candidate-item:hover {
  border-color: var(--accent);
  transform: scale(1.02);
}

.candidate-item.selected {
  border-color: var(--success);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.4);
}

.candidate-item img {
  display: block;
  width: 100%;
  height: auto;
}

/* =====================================================
   アクションバー
   ===================================================== */
.action-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: sticky;
  bottom: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

/* =====================================================
   ボタン
   ===================================================== */
.btn {
  align-items: center;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  font-size: 0.88rem;
  font-weight: 600;
  gap: 6px;
  padding: 10px 20px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

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

.btn-danger {
  background: rgba(244, 67, 54, 0.12);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(244, 67, 54, 0.2);
  border-color: var(--danger);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  font-size: 0.78rem;
  padding: 6px 12px;
}

.btn-xs {
  font-size: 0.72rem;
  padding: 4px 10px;
}

.btn-icon {
  font-size: 1em;
}

/* =====================================================
   プログレスバー
   ===================================================== */
.progress-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.progress-bar-wrap {
  background: var(--bg-input);
  border-radius: 6px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar {
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  border-radius: 6px;
  height: 100%;
  transition: width 0.3s ease;
  width: 0%;
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  to { left: 100%; }
}

.progress-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
}

/* =====================================================
   ヒントテキスト
   ===================================================== */
.hint-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.5;
}

/* =====================================================
   トースト通知
   ===================================================== */
.toast-container {
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  position: fixed;
  right: 20px;
  z-index: 1000;
}

.toast {
  align-items: center;
  animation: toast-in 0.3s ease;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 4px solid var(--info);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  color: var(--text-primary);
  display: flex;
  font-size: 0.85rem;
  gap: 8px;
  max-width: 320px;
  padding: 12px 16px;
  pointer-events: all;
}

.toast.success { border-left-color: var(--success); }
.toast.error   { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

.toast.removing {
  animation: toast-out 0.3s ease forwards;
}

/* =====================================================
   レスポンシブ
   ===================================================== */
@media (max-width: 640px) {
  .container { padding: 16px 12px 70px; }
  .card { padding: 16px; }

  .ratio-row { flex-direction: column; gap: 12px; }
  .ratio-arrow { padding-top: 0; transform: rotate(90deg); }

  .mode-grid { grid-template-columns: repeat(2, 1fr); }

  .quality-row { gap: 16px; }

  .action-bar {
    border-radius: var(--radius-md);
    gap: 8px;
    padding: 12px;
  }

  .btn { flex: 1; justify-content: center; font-size: 0.82rem; padding: 10px 12px; }

  .preview-canvases { grid-template-columns: 1fr; }

  .candidates-grid-result { grid-template-columns: 1fr; }

  .form-row { flex-direction: column; }

  .submode-grid { flex-direction: column; }
  .submode-btn { text-align: left; }
}

@media (max-width: 480px) {
  .mode-grid { grid-template-columns: 1fr 1fr; }
  .file-list  { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}

/* =====================================================
   スクロールバー
   ===================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* =====================================================
   選択テキスト
   ===================================================== */
::selection {
  background: var(--accent-light);
  color: var(--accent);
}

/* =====================================================
   タブバー（変換モード / 編集モード）
   ===================================================== */
.tab-bar {
  display:          flex;
  gap:              4px;
  padding:          0 20px;
  background:       var(--bg-card);
  border-bottom:    1px solid var(--border);
  position:         sticky;
  top:              0;
  z-index:          100;
}

.tab-btn {
  padding:          14px 24px;
  background:       transparent;
  border:           none;
  border-bottom:    3px solid transparent;
  color:            var(--text-muted);
  font-size:        0.95rem;
  font-weight:      600;
  cursor:           pointer;
  transition:       color 0.2s, border-color 0.2s;
  white-space:      nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
}

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

/* =====================================================
   編集モード: ツールバー
   ===================================================== */
.editor-toolbar {
  display:          flex;
  align-items:      center;
  justify-content:  space-between;
  flex-wrap:        wrap;
  gap:              12px;
  margin-bottom:    12px;
}

.editor-toolbar-left {
  display:    flex;
  align-items: center;
  gap:        12px;
  flex-wrap:  wrap;
}

.editor-toolbar-right {
  display:  flex;
  gap:      8px;
  flex-wrap: wrap;
}

.editor-brush-range {
  width: 160px;
}

.editor-hint {
  margin-bottom: 12px;
  color:         var(--text-muted);
  font-size:     0.875rem;
}

/* =====================================================
   編集モード: キャンバスコンテナ
   ===================================================== */
.editor-canvas-wrap {
  position:      relative;
  display:       inline-block;
  width:         100%;
  max-width:     100%;
  border:        1px solid var(--border);
  border-radius: var(--radius);
  overflow:      hidden;
  background:    #111;
  line-height:   0; /* 隙間をなくす */
}

.editor-image-canvas {
  display:    block;
  width:      100%;
  height:     auto;
  max-width:  100%;
}

.editor-mask-canvas {
  position:   absolute;
  top:        0;
  left:       0;
  width:      100%;
  height:     100%;
  cursor:     crosshair;
  touch-action: none; /* スクロール抑止 */
}

/* =====================================================
   編集モード: プロンプトグリッド
   ===================================================== */
.editor-prompt-grid {
  display:               grid;
  grid-template-columns: 1fr 1fr;
  gap:                   20px;
}

@media (max-width: 640px) {
  .editor-prompt-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   編集モード: 結果プレビュー
   ===================================================== */
.editor-result-grid {
  display:          flex;
  align-items:      flex-start;
  gap:              24px;
  flex-wrap:        wrap;
}

.editor-result-item {
  flex:         1;
  min-width:    200px;
}

.editor-result-arrow {
  font-size:    2rem;
  color:        var(--text-muted);
  align-self:   center;
  padding-top:  24px;
}

.result-label {
  font-size:    0.8rem;
  color:        var(--text-muted);
  text-align:   center;
  margin-bottom: 8px;
  font-weight:  600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.editor-result-img {
  width:          100%;
  height:         auto;
  border-radius:  var(--radius);
  border:         1px solid var(--border);
  display:        block;
}

/* =====================================================
   btn-accent（編集モード用）
   ===================================================== */
.btn-accent {
  background: var(--accent);
  color:      #fff;
  border:     none;
}

.btn-accent:hover {
  background: var(--accent-hover, #5a52e0);
}

.btn-sm {
  padding:    6px 14px;
  font-size:  0.82rem;
}

/* =====================================================
   ヘッダー: ユーザーエリア・管理ボタン
   ===================================================== */
.header-inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  flex-wrap:       wrap;
  gap:             12px;
}
.header-title-group { flex: 1; }
.header-user {
  display:     flex;
  align-items: center;
  gap:         10px;
  flex-shrink: 0;
}
.user-email {
  font-size:  0.82rem;
  color:      var(--text-muted);
  max-width:  200px;
  overflow:   hidden;
  text-overflow: ellipsis;
  white-space:   nowrap;
}
.btn-admin {
  background: transparent;
  border:     1px solid var(--border);
  color:      var(--text-muted);
  border-radius: 6px;
  padding:    4px 8px;
  cursor:     pointer;
  font-size:  1rem;
  line-height: 1;
  transition: background 0.2s, color 0.2s;
}
.btn-admin:hover { background: var(--bg-hover); color: var(--text-main); }

.btn-logout {
  background: transparent;
  border:     1px solid var(--border);
  color:      var(--text-muted);
  border-radius: 6px;
  padding:    5px 12px;
  cursor:     pointer;
  font-size:  0.82rem;
  transition: background 0.2s, color 0.2s;
}
.btn-logout:hover { background: rgba(255,107,107,0.12); color: var(--danger); border-color: var(--danger); }

/* =====================================================
   ユーザー管理モーダル
   ===================================================== */
.modal-overlay {
  position:        fixed;
  inset:           0;
  background:      rgba(0,0,0,0.65);
  z-index:         500;
  display:         flex;
  align-items:     center;
  justify-content: center;
  padding:         20px;
}
.modal-box {
  background:    var(--bg-card);
  border:        1px solid var(--border);
  border-radius: var(--radius);
  width:         100%;
  max-width:     480px;
  max-height:    80vh;
  display:       flex;
  flex-direction: column;
  overflow:      hidden;
}
.modal-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding:         20px 24px 16px;
  border-bottom:   1px solid var(--border);
  flex-shrink:     0;
}
.modal-title {
  font-size:  1.1rem;
  font-weight: 700;
  margin:     0;
}
.modal-close {
  background: transparent;
  border:     none;
  color:      var(--text-muted);
  font-size:  1.1rem;
  cursor:     pointer;
  padding:    4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-main); }

/* 追加フォーム */
.admin-add-row {
  display: flex;
  gap:     10px;
  padding: 16px 24px 12px;
  flex-shrink: 0;
}
.admin-email-input {
  flex:          1;
  padding:       9px 12px;
  background:    rgba(255,255,255,0.06);
  border:        1px solid var(--border);
  border-radius: 8px;
  color:         var(--text-main);
  font-size:     0.9rem;
  outline:       none;
}
.admin-email-input:focus { border-color: var(--accent); }

/* メッセージ */
.admin-msg {
  margin:        0 24px 10px;
  padding:       8px 12px;
  border-radius: 6px;
  font-size:     0.85rem;
  flex-shrink:   0;
}
.admin-msg.success { background: rgba(78,205,196,0.15); color: #4ecdc4; border: 1px solid rgba(78,205,196,0.3); }
.admin-msg.error   { background: rgba(255,107,107,0.15); color: var(--danger); border: 1px solid rgba(255,107,107,0.3); }

/* ユーザー一覧 */
.admin-user-list {
  overflow-y: auto;
  padding:    0 24px 20px;
  flex:       1;
}
.admin-user-row {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding:         11px 0;
  border-bottom:   1px solid var(--border);
}
.admin-user-row:last-child { border-bottom: none; }
.admin-user-email {
  font-size:  0.9rem;
  color:      var(--text-main);
  word-break: break-all;
}
.badge-me {
  display:       inline-block;
  font-size:     0.7rem;
  background:    rgba(108,99,255,0.2);
  color:         var(--accent);
  border-radius: 4px;
  padding:       1px 6px;
  margin-left:   6px;
  vertical-align: middle;
}
.btn-delete-user {
  background:    transparent;
  border:        1px solid rgba(255,107,107,0.4);
  color:         var(--danger);
  border-radius: 6px;
  padding:       4px 10px;
  font-size:     0.78rem;
  cursor:        pointer;
  flex-shrink:   0;
  transition:    background 0.2s;
}
.btn-delete-user:hover { background: rgba(255,107,107,0.15); }

.admin-loading, .admin-empty, .admin-error {
  color:      var(--text-muted);
  font-size:  0.9rem;
  text-align: center;
  padding:    20px 0;
}