/**
 * ============================================================================
 * assets/css/tool-image-split.css - 사진 분할 전용 격리 스타일
 * ============================================================================
 * [네임스페이스]: .tool-image-split 하위 선택자로만 한정되어 다른 도구와 충돌하지 않습니다.
 */

/* 캔버스 작업 영역 컨테이너 */
.tool-image-split .split-canvas-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.tool-image-split .split-canvas-wrapper {
    max-width: 100%;
    max-height: 520px;
    overflow: auto;
    background: #0f172a;
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
}

.tool-image-split #split-canvas {
    max-width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    user-select: none;
}

/* 하단 분할 안내 상태 텍스트 */
.tool-image-split .split-canvas-footer {
    margin-top: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
}

/* 우측 설정 사이드바 내 인라인 헤더 */
.tool-image-split .setting-header-inline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.tool-image-split .btn-link-sm {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.tool-image-split .btn-link-sm:hover {
    color: var(--primary-hover);
}

.tool-image-split .form-check-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-image-split .form-check-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   분할 결과 섹션 (스크린샷 100% 일치)
   -------------------------------------------------------------------------- */
.tool-image-split .split-result-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: fadeIn 0.25s ease-out;
}

/* 상단 액션 바 */
.tool-image-split .split-action-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.tool-image-split .split-complete-msg {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* 중간 ZIP 다운로드 카드 */
.tool-image-split .zip-download-card {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tool-image-split .zip-info-text {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.tool-image-split .btn-zip-download {
    width: fit-content;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 700;
    background: #8b5cf6;
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.tool-image-split .btn-zip-download:hover {
    background: #7c3aed;
    transform: translateY(-1px);
}

/* 분할된 조각 그리드 (스크린샷 4개 카드 형태) */
.tool-image-split .split-pieces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
    width: 100%;
}

.tool-image-split .split-piece-card {
    background: #ffffff;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xs);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-image-split .split-piece-card:hover {
    border-color: #8b5cf6;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tool-image-split .piece-thumb-wrap {
    width: 100%;
    height: 130px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 10px;
    border-bottom: 1px solid #f1f5f9;
}

.tool-image-split .piece-thumb {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    border-radius: 2px;
}

.tool-image-split .btn-piece-download {
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 700;
    color: #4338ca;
    background: #ffffff;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tool-image-split .btn-piece-download:hover {
    background: #f5f3ff;
    color: #6d28d9;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}