/* ============================================
   Korea1700 디자인 파일 업로더 - Modern Design
   ============================================ */

.file-uploader,
#item-uploader {
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: var(--radius-lg, 0.75rem);
    padding: var(--spacing-xl, 2rem);
    margin: var(--spacing-xl, 2rem) 0;
    box-shadow: var(--shadow-md, 0 0.25rem 0.375rem -1px rgb(0 0 0 / 0.1));
}

.uploader-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 0.75rem);
    margin-bottom: var(--spacing-lg, 1.5rem);
    padding-bottom: var(--spacing-md, 1rem);
    border-bottom: 2px solid var(--primary-color, #2563eb);
}

.uploader-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1e293b);
    margin: 0;
}

.uploader-header::before {
    content: "📤";
    font-size: 1.5rem;
}

/* 드래그 앤 드롭 영역 */
.upload-dropzone {
    position: relative;
    min-height: 12.5rem;
    padding: var(--spacing-xl, 2rem);
    background: var(--bg-section, #f8fafc);
    border: 0.1875rem dashed var(--border-color, #e2e8f0);
    border-radius: var(--radius-md, 0.5rem);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-dropzone:hover {
    border-color: var(--primary-light, #3b82f6);
    background: var(--bg-hover, #f1f5f9);
    transform: scale(1.02);
}

.upload-dropzone.dragover {
    border-color: var(--accent-color, #f97316);
    background: linear-gradient(135deg, #fff8f2 0%, #ffe5cc 100%);
    border-width: 0.25rem;
}

.dropzone-icon {
    font-size: 4rem;
    color: var(--primary-light, #3b82f6);
    margin-bottom: 1rem;
}

.dropzone-text {
    font-size: 1.125rem;
    color: var(--text-secondary, #64748b);
    margin-bottom: 0.5rem;
}

.dropzone-subtext {
    font-size: 0.875rem;
    color: var(--text-muted, #94a3b8);
}

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    margin-top: 1rem;
}

/* 파일 리스트 */
.upload-file-list {
    margin-top: var(--spacing-lg, 1.5rem);
}

.upload-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 1rem);
    padding: var(--spacing-md, 1rem);
    background: white;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: var(--radius-md, 0.5rem);
    margin-bottom: var(--spacing-sm, 0.75rem);
    transition: all 0.2s ease;
}

.upload-file-item:hover {
    border-color: var(--primary-light, #3b82f6);
    box-shadow: var(--shadow-sm, 0 1px 2px 0 rgb(0 0 0 / 0.05));
}

.file-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-section, #f8fafc);
    border-radius: var(--radius-sm, 0.375rem);
    font-size: 1.5rem;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    margin-bottom: 0.25rem;
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
}

.file-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm, 0.375rem);
    font-weight: 600;
}

.file-status.uploading {
    background: #dbeafe;
    color: #1e40af;
}

.file-status.complete {
    background: #dcfce7;
    color: #166534;
}

.file-status.error {
    background: #fee2e2;
    color: #991b1b;
}

.file-remove {
    padding: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted, #94a3b8);
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.2s ease;
}

.file-remove:hover {
    color: var(--accent-color, #f97316);
    transform: scale(1.2);
}

/* 프로그레스 바 */
.upload-progress {
    height: 0.375rem;
    background: var(--bg-section, #f8fafc);
    border-radius: 62.4375rem;
    overflow: hidden;
    margin-top: 0.5rem;
}

.upload-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color, #2563eb) 0%, var(--primary-light, #3b82f6) 100%);
    transition: width 0.3s ease;
}

/* 버튼 그룹 */
.upload-actions {
    display: flex;
    gap: var(--spacing-md, 1rem);
    margin-top: var(--spacing-lg, 1.5rem);
}

.upload-btn {
    flex: 1;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md, 0.5rem);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn-primary {
    background: linear-gradient(135deg, var(--accent-color, #f97316) 0%, var(--accent-dark, #ea580c) 100%);
    color: white;
}

.upload-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg, 0 0.625rem 0.9375rem -0.1875rem rgb(0 0 0 / 0.1));
}

.upload-btn-secondary {
    background: white;
    color: var(--text-secondary, #64748b);
    border: 2px solid var(--border-color, #e2e8f0);
}

.upload-btn-secondary:hover {
    border-color: var(--primary-light, #3b82f6);
    color: var(--primary-color, #2563eb);
}

/* 반응형 */
@media (max-width: 48rem) {

    .file-uploader,
    #item-uploader {
        padding: var(--spacing-lg, 1.5rem);
    }

    .upload-dropzone {
        min-height: 9.375rem;
        padding: var(--spacing-lg, 1.5rem);
    }

    .dropzone-icon {
        font-size: 3rem;
    }

    .upload-actions {
        flex-direction: column;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.upload-file-item {
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    backdrop-filter: blur(0.3125rem);
}

#design-studio-modal,
#ai-studio-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 75rem;
    height: 90%;
    max-height: 50rem;
    background: white;
    box-shadow: 0 0.3125rem 1.25rem rgba(0, 0, 0, 0.3);
    z-index: 9999;
    border-radius: 0.5rem;
    flex-direction: column;
    overflow: hidden;
}

#design-studio-modal.active,
#ai-studio-modal.active {
    display: flex;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9375rem 1.25rem;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: #999;
}

.modal-close-btn:hover {
    color: #333;
}

.modal-body {
    flex: 1;
    width: 100%;
    height: 100%;
    padding: 0;
    overflow: hidden;
    position: relative;
    background: #f1f3f5;
}

.studio-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}