/* =========================================
   img2img タブ
   ========================================= */

.img2img-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 20px;
    height: 100%;
    padding: 16px;
    overflow: hidden;
}

/* ── 左カラム: 入力画像 + 設定 ── */

.img2img-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    padding-right: 4px;
}

/* ドロップゾーン */
.img2img-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 32px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-secondary);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.img2img-dropzone:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.img2img-dropzone.drag-over {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, var(--bg-secondary));
    transform: scale(1.01);
}

.img2img-dropzone svg {
    opacity: 0.4;
    color: var(--text-muted);
}

.img2img-dropzone-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.img2img-dropzone-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

/* 入力画像プレビュー */
.img2img-input-preview {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.img2img-input-image {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    display: block;
    border-radius: 12px;
}

.img2img-clear-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 2;
}

.img2img-clear-btn:hover {
    background: rgba(0, 0, 0, 0.85);
}

/* Denoise スライダー */
.img2img-denoise-group {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 12px 16px;
}

.img2img-denoise-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.img2img-denoise-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.85rem;
    min-width: 40px;
    text-align: right;
}

.img2img-denoise-slider {
    width: 100%;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    cursor: pointer;
}

.img2img-denoise-slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.15s;
}

.img2img-denoise-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.img2img-denoise-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-align: center;
}

/* メタデータ表示 */
.img2img-meta {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 12px 16px;
}

.img2img-meta-header {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.img2img-meta-header::before {
    content: '▸';
    display: inline-block;
    transition: transform 0.2s;
    font-size: 0.7rem;
}

.img2img-meta-header.open::before {
    transform: rotate(90deg);
}

.img2img-meta-body {
    display: none;
}

.img2img-meta-body.open {
    display: block;
}

.img2img-meta-section {
    margin-bottom: 8px;
}

.img2img-meta-section-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 2px;
    font-weight: 500;
}

.img2img-meta-text {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.4;
}

.img2img-meta-params {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.img2img-meta-param {
    font-size: 0.7rem;
    background: var(--bg-primary);
    border-radius: 4px;
    padding: 2px 8px;
}

.img2img-meta-param-label {
    color: var(--text-muted);
    margin-right: 4px;
}

.img2img-meta-param-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* 反映ボタン */
.img2img-apply-actions {
    display: flex;
    gap: 8px;
}

.img2img-apply-btn {
    flex: 1;
    padding: 6px 10px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.img2img-apply-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── 右カラム: プロンプト + 生成 ── */

.img2img-right {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
}

/* 設定バー */
.img2img-settings-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
    flex-wrap: wrap;
}

.img2img-sbar-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.img2img-sbar-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.img2img-sbar-select,
.img2img-sbar-num {
    font-size: 0.8rem;
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.img2img-sbar-select {
    min-width: 100px;
}

.img2img-sbar-num {
    width: 60px;
    text-align: center;
}

.img2img-sbar-slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.img2img-sbar-slider {
    width: 70px;
}

.img2img-seed-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.img2img-seed-input {
    width: 100px;
    font-size: 0.8rem;
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-align: center;
}

/* プロンプト入力 */
.img2img-prompt-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.img2img-prompt-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.img2img-prompt-label .section-color-dot {
    width: 8px;
    height: 8px;
}

.img2img-prompt-textarea {
    width: 100%;
    min-height: 80px;
    padding: 10px 12px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'SF Mono', 'Consolas', monospace;
    resize: vertical;
    line-height: 1.5;
    transition: border-color 0.15s;
}

.img2img-prompt-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.img2img-prompt-textarea--neg {
    min-height: 50px;
}

/* 生成ボタン */
.img2img-generate-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.img2img-generate-btn {
    flex: 1;
}

/* プレビューエリア */
.img2img-preview-area {
    flex: 1;
    min-height: 200px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.img2img-preview-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.img2img-preview-empty svg {
    opacity: 0.3;
    margin-bottom: 12px;
}

.img2img-preview-empty p {
    font-size: 0.85rem;
    margin: 0;
}

.img2img-preview-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--bg-secondary);
}

.img2img-preview-loading .preview-progress-bar {
    width: 60%;
    max-width: 300px;
}

.img2img-result-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    cursor: pointer;
}

/* レスポンシブ */
@media (max-width: 900px) {
    .img2img-layout {
        grid-template-columns: 1fr;
        overflow-y: auto;
    }

    .img2img-left {
        overflow-y: visible;
    }
}