/* =============================================
   favicon-gen ツール専用スタイル
   ============================================= */

/* タブ */
.mode-tabs {
  display: flex;
  background: var(--clr-bg);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 20px;
  gap: 4px;
}
.mode-tab {
  flex: 1;
  padding: 10px 4px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  touch-action: manipulation;
}
.mode-tab.active {
  background: var(--clr-surface);
  color: var(--clr-primary);
  box-shadow: 0 1px 4px var(--clr-shadow);
}

/* テキスト入力 */
.text-input-large {
  width: 100%;
  padding: 16px;
  font-size: 48px;
  font-weight: 700;
  text-align: center;
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  border: 2px solid var(--clr-border);
  border-radius: 10px;
  transition: border-color 0.15s;
  letter-spacing: 0.05em;
  touch-action: manipulation;
}
.text-input-large:focus {
  outline: none;
  border-color: var(--clr-primary);
}

/* カラーグリッド */
.color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

/* カラーピッカー */
.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--clr-bg);
  border: 2px solid var(--clr-border);
  border-radius: 10px;
  cursor: pointer;
  touch-action: manipulation;
}
.color-picker-wrap input[type="color"] {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  padding: 0;
  cursor: pointer;
  background: none;
  -webkit-appearance: none;
  appearance: none;
}
.color-picker-wrap input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-picker-wrap input[type="color"]::-webkit-color-swatch { border-radius: 4px; border: 1px solid rgba(0,0,0,0.1); }
.color-picker-wrap span {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-text-muted);
  flex: 1;
}
.color-value {
  font-size: 12px;
  color: var(--clr-text-muted);
  font-family: monospace;
}

/* 形状・フォント選択 */
.option-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.opt-btn {
  flex: 1;
  padding: 10px 6px;
  font-size: 13px;
  font-weight: 600;
  border: 2px solid var(--clr-border);
  background: var(--clr-surface);
  border-radius: 8px;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  touch-action: manipulation;
  text-align: center;
}
.opt-btn.active {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* 画像アップロード */
.upload-zone {
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  touch-action: manipulation;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--clr-primary);
  background: rgba(58,168,232,0.05);
}
.upload-zone input { display: none; }
.upload-icon { font-size: 40px; margin-bottom: 8px; }
.upload-text { font-size: 14px; color: var(--clr-text-muted); }
.upload-sub  { font-size: 12px; color: var(--clr-text-muted); margin-top: 4px; }

/* プレビューエリア */
.preview-section {
  background: var(--clr-bg);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}
.preview-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.preview-sizes {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.preview-canvas-wrap {
  background: repeating-conic-gradient(#ccc 0% 25%, #fff 0% 50%) 0 0 / 12px 12px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.preview-item canvas {
  display: block;
  image-rendering: pixelated;
}
.preview-size-label {
  font-size: 11px;
  color: var(--clr-text-muted);
}

/* 生成ボタン */
.btn-generate {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  background: var(--clr-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 20px;
  touch-action: manipulation;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-generate:hover  { background: #2a8cc8; }
.btn-generate:active { transform: scale(0.98); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }

/* ダウンロードセクション */
.dl-section {
  background: #f0faf0;
  border: 2px solid #28a745;
  border-radius: var(--radius);
  padding: 20px 16px;
  margin-top: 20px;
  display: none;
}
[data-theme="dark"] .dl-section {
  background: #0d2b14;
  border-color: #28a745;
}
.dl-section h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1a7a35;
  margin: 0 0 12px;
}
[data-theme="dark"] .dl-section h3 { color: #5dd87a; }
.dl-files {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--clr-text-muted);
}
.dl-file-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.btn-dl-zip {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
  touch-action: manipulation;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-dl-zip:hover { background: #218838; }

/* HTMLコードスニペット */
.code-block {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 12px;
  font-family: monospace;
  font-size: 11px;
  color: var(--clr-text);
  white-space: pre;
  overflow-x: auto;
  margin-top: 12px;
  line-height: 1.6;
}
.btn-copy-code {
  margin-top: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  background: var(--clr-surface);
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  touch-action: manipulation;
}
.btn-copy-code:hover { background: rgba(58,168,232,0.1); }

/* 個別ダウンロード（スマホ用） */
.individual-dl {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.individual-dl-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin: 0 0 4px;
}
.btn-dl-single {
  display: block;
  padding: 11px 14px;
  background: var(--clr-surface);
  border: 1px solid #28a745;
  border-radius: 8px;
  color: #1a7a35;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  text-align: left;
  transition: background 0.15s;
  touch-action: manipulation;
}
[data-theme="dark"] .btn-dl-single { color: #5dd87a; }
.btn-dl-single:hover { background: #f0faf0; }
[data-theme="dark"] .btn-dl-single:hover { background: #0d2b14; }

/* ドラッグキャンバス */
.drag-canvas-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 4px;
}
#drag-canvas {
  display: block;
  border-radius: 10px;
  border: 2px solid var(--clr-border);
  cursor: grab;
  transition: border-color 0.15s;
  max-width: 100%;
}
#drag-canvas.dragging {
  border-color: var(--clr-primary);
  cursor: grabbing;
}

/* プライバシーバッジ */
.privacy-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--clr-text-muted);
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--clr-bg);
  border-radius: 8px;
}

@media (max-width: 480px) {
  .color-grid { grid-template-columns: 1fr; }
  .dl-files { grid-template-columns: 1fr; }
  .text-input-large { font-size: 36px; padding: 12px; }
  .preview-sizes { gap: 10px; }
}