/* 전역 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e5aa8;
    --secondary-color: #2c7be5;
    --success-color: #00d97e;
    --info-color: #39afd1;
    --warning-color: #f6c343;
    --danger-color: #e63757;
    --dark-color: #12263f;
    --light-color: #f9fbfd;
    --border-color: #d2ddec;
    --text-color: #2c3e50;
    --text-muted: #6c757d;
    --shadow: 0 0.15rem 1.75rem 0 rgba(33, 40, 50, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 */
.header {
    background: white;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* 헤더 액션 버튼 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
}

.user-info i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans KR', sans-serif;
}

.btn-logout:hover {
    background: #c92a2a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 55, 87, 0.3);
}

.btn-logout:active {
    transform: translateY(0);
}

/* 메인 컨텐츠 */
.main-content {
    padding: 2rem 0 4rem;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 2rem;
    align-items: start;
}

/* 폼 섹션 */
.form-section {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--primary-color);
}

.cert-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: 'Noto Sans KR', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 90, 168, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* 수량 필드를 절반 크기로 */
.form-row-quantity {
    grid-template-columns: 1fr 2fr;
}

/* 버튼 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: 'Noto Sans KR', sans-serif;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #164a8a;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--text-muted);
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #00c06d;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover {
    background: #2d9cba;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.form-actions .btn {
    flex: 1;
}

/* 미리보기 섹션 */
.preview-section {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 100px;
}

/* 업로드 섹션 */
.upload-section {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

/* 탭 스타일 */
.upload-tabs {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    position: relative;
    bottom: -2px;
}

.tab-btn i {
    font-size: 1.25rem;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(30, 90, 168, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 고정 서류 단일 업로드 스타일 */
.upload-section.fixed-docs-single {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.upload-hint-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    margin-left: 0.5rem;
}

.single-upload-container {
    margin-top: 1rem;
}

.single-upload-area {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.single-upload-area:hover {
    border-color: var(--primary-color);
    background: #f8f9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 90, 168, 0.1);
}

.upload-icon-section {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.upload-icon-section i {
    font-size: 2.5rem;
    color: white;
}

.upload-text-section {
    flex: 1;
    text-align: left;
}

.upload-text-section h4 {
    margin: 0 0 0.5rem 0;
    color: var(--dark-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.upload-text-section p {
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.upload-format-hint {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #e3f2fd;
    color: var(--primary-color);
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.single-file-uploaded {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border: 2px solid #4caf50;
    border-radius: 0.5rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.uploaded-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4caf50, #66bb6a);
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.uploaded-icon i {
    font-size: 2.5rem;
    color: white;
}

.uploaded-info {
    flex: 1;
}

.uploaded-filename {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.uploaded-size {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.btn-remove-file {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: transparent;
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-remove-file:hover {
    background: var(--danger-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(230, 55, 87, 0.3);
}

/* 품질 서류 섹션 */
.upload-section.quality-docs {
    margin-top: 1.5rem;
}

/* 업로드 테이블 스타일 */
.upload-table-container {
    margin-top: 1rem;
    overflow-x: auto;
}

.upload-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.upload-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.upload-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.upload-table th:first-child {
    width: 200px;
}

.upload-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.upload-table tbody tr:last-child {
    border-bottom: none;
}

.upload-table tbody tr:hover {
    background: #f8f9fa;
}

.upload-table td {
    padding: 1rem;
    vertical-align: middle;
}

.doc-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--dark-color);
}

.doc-name i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.doc-upload {
    text-align: center;
}

.doc-upload > input[type="file"] + .table-upload-btn,
.doc-upload > .table-manage-btn {
    margin: 0.15rem;
}

.table-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.table-upload-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 90, 168, 0.3);
}

.table-manage-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.375rem;
    color: #1f2937;
    background: #f8fafc;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.table-manage-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #eff6ff;
}

.table-file-info {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    background: #e8f5e9;
    border-radius: 0.375rem;
    border: 1px solid #4caf50;
}

.table-file-info i {
    font-size: 1.25rem;
    color: #4caf50;
}

.table-filename {
    font-size: 0.9rem;
    color: var(--dark-color);
    font-weight: 500;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-table-remove {
    background: transparent;
    border: none;
    color: var(--danger-color);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.btn-table-remove:hover {
    color: #c62828;
    transform: scale(1.2);
}

.managed-doc-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.55);
}

.managed-doc-modal.is-open {
    display: flex;
}

.managed-doc-modal__panel {
    width: min(920px, 96vw);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.35);
}

.managed-doc-modal__head,
.managed-doc-modal__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.managed-doc-modal__head h3 {
    margin: 0;
    color: var(--dark-color);
    font-size: 1.1rem;
}

.managed-doc-modal__close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 0.375rem;
    color: #334155;
    background: #e5edf5;
    cursor: pointer;
}

.managed-doc-modal__tools {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.managed-doc-modal__tools select,
.managed-doc-modal__tools input {
    min-height: 38px;
    padding: 0 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.375rem;
    font: inherit;
    background: #ffffff;
}

.managed-doc-modal__body {
    overflow: auto;
    padding: 1rem 1.25rem;
}

.managed-doc-list {
    display: grid;
    gap: 0.5rem;
}

.managed-doc-item {
    display: grid;
    grid-template-columns: 28px 120px minmax(160px, 1fr) minmax(160px, 1fr) 90px;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid #d9e2ec;
    border-radius: 0.375rem;
    background: #f8fafc;
}

.managed-doc-item input {
    width: 18px;
    height: 18px;
}

.managed-doc-item__badge {
    padding: 0.2rem 0.45rem;
    border-radius: 999px;
    color: #0f3760;
    background: #e5f2fb;
    font-size: 0.8rem;
    font-weight: 800;
    text-align: center;
}

.managed-doc-item__title,
.managed-doc-item__file {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.managed-doc-item__title {
    font-weight: 700;
    color: var(--dark-color);
}

.managed-doc-item__file,
.managed-doc-item__size {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.managed-doc-empty {
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    text-align: center;
}

.managed-doc-modal__actions {
    border-top: 1px solid var(--border-color);
    border-bottom: 0;
    justify-content: flex-end;
}

.managed-doc-modal__actions span {
    margin-right: auto;
    color: var(--text-muted);
    font-weight: 700;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .single-upload-area,
    .single-file-uploaded {
        flex-direction: column;
        text-align: center;
    }
    
    .upload-text-section {
        text-align: center;
    }
    
    .upload-icon-section,
    .uploaded-icon {
        width: 60px;
        height: 60px;
    }
    
    .upload-icon-section i,
    .uploaded-icon i {
        font-size: 2rem;
    }
    
    .upload-table th:first-child {
        width: auto;
    }
    
    .upload-table th,
    .upload-table td {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    .table-filename {
        max-width: 150px;
    }
}

.upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.upload-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-label i {
    color: var(--primary-color);
}

.btn-reset-upload {
    background: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 0.4rem 0.8rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.3s ease;
}

.btn-reset-upload:hover {
    background: var(--danger-color);
    color: white;
}

.upload-box {
    position: relative;
}

.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    background: var(--light-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #f0f4ff;
}

.upload-area i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-area p {
    margin: 0.5rem 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.upload-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.uploaded-file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #e8f5e9;
    border: 1px solid #4caf50;
    border-radius: 0.5rem;
    margin-top: 1rem;
    justify-content: space-between;
}

.uploaded-file-info i {
    font-size: 1.5rem;
    color: #4caf50;
}

.uploaded-filename {
    flex: 1;
    font-weight: 500;
    color: var(--dark-color);
}

.file-size {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.uploaded-file-info span {
    flex: 1;
    font-weight: 500;
    color: var(--dark-color);
}

.file-size {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex: none !important;
}

.preview-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    min-height: 500px;
    max-height: 750px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-color);
    overflow: auto;
}

.preview-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.preview-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.preview-placeholder p {
    font-size: 1rem;
}

.preview-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.preview-actions .btn {
    flex: 1;
}

.merge-progress-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(2px);
}

.merge-progress-modal.is-open {
    display: flex;
}

.merge-progress-panel {
    width: min(460px, 100%);
    padding: 1.25rem;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.24);
    border: 1px solid var(--border-color);
}

.merge-progress-head {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1rem;
}

.merge-progress-track {
    height: 12px;
    overflow: hidden;
    border-radius: 999px;
    background: #e5edf7;
}

.merge-progress-bar {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb, #16a34a);
    transition: width 0.25s ease;
}

.merge-progress-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.75rem;
    color: var(--text-muted);
    font-size: 0.92rem;
}

#mergeProgressMessage {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#mergeProgressPercent {
    flex: 0 0 auto;
    font-weight: 700;
    color: var(--primary-color);
}

/* 품질인정서 템플릿 */
.certificate-template {
    display: none;
    position: relative;
}

.cert-page {
    width: 210mm;
    height: 297mm;
    position: relative;
    background: white;
    margin: 0 auto;
}

.cert-header {
    position: relative;
    width: 100%;
    height: 100%;
}

.cert-bg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 발급 정보 테이블 */
.issue-info-table {
    position: absolute;
    top: 25%;
    right: 10%;
    width: 40%;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Noto Sans KR', sans-serif;
}

.info-table td {
    border: 1px solid #dc143c;
    padding: 6px 10px;
    font-size: 12px;
    line-height: 1.5;
}

.label-cell {
    background: transparent;
    font-weight: 700;
    width: 20%;
    text-align: center;
    color: #dc143c;
    font-size: 12px;
}

.value-cell {
    background: transparent;
    font-weight: 600;
    width: 30%;
    text-align: left;
    padding-left: 12px;
    color: #000;
    font-size: 12px;
}

.full-width {
    width: 78%;
}

.stamp-label {
    background: transparent;
    text-align: center;
    padding: 12px;
}

.stamp-text {
    font-size: 11px;
    font-weight: 700;
    color: #dc143c;
    letter-spacing: 0.2px;
    line-height: 1.5;
}

.company-label {
    background: transparent;
    text-align: center;
    padding: 10px;
}

.company-text {
    font-size: 13px;
    font-weight: 700;
    color: #dc143c;
    letter-spacing: 0.5px;
}

/* 하단 원본대조필(인) 이미지 - 페이지 전체 하단 */
.stamp-section-bottom {
    position: absolute;
    bottom: 5%;
    left: 0;
    width: 100%;
    background: transparent;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stamp-pdf-full {
    display: block;
    width: auto;
    height: 49px; /* 총 61% 축소 (기존 126px → 88px → 70px → 49px) */
    object-fit: contain;
    opacity: 1;
    /* 흰색 배경 제거 */
    mix-blend-mode: multiply;
}



/* 도장 이미지 */
.stamp-container {
    position: absolute;
    top: 34%;
    right: 20%;
    width: 150px;
    height: 150px;
    z-index: 10;
}

.stamp-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 미리보기에서 인증서 표시 */
.preview-area.active {
    border: none;
    background: white;
    padding: 1rem;
}

.preview-area.active .certificate-template {
    display: block;
    transform: scale(0.8);
    transform-origin: top center;
}

/* 파일 미리보기 스타일 */
.preview-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
}

.preview-loading i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.pdf-preview-container {
    width: 100%;
    height: 700px;
    border-radius: 0.5rem;
    overflow: hidden;
    background: #f5f5f5;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.pdf-toolbar {
    background: var(--dark-color);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    flex-shrink: 0;
}

.pdf-filename {
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdf-filename i {
    color: #ff6b6b;
}

.pdf-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pdf-page-info {
    font-size: 0.9rem;
    padding: 0 0.5rem;
}

.btn-pdf-nav {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.4rem 0.6rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-pdf-nav:hover:not(:disabled) {
    background: var(--secondary-color);
}

.btn-pdf-nav:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-download-pdf {
    background: var(--success-color);
    color: white;
    padding: 0.4rem 0.6rem;
    border-radius: 0.375rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.btn-download-pdf:hover {
    background: #00c06d;
}

.pdf-with-overlay-container {
    width: 100%;
    height: 700px;
    border-radius: 0.5rem;
    overflow: hidden;
    background: #f5f5f5;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.pdf-canvas-container {
    flex: 1;
    overflow: auto;
    background: #525659;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 1rem;
}

.pdf-wrapper {
    position: relative;
    display: inline-block;
}

.pdf-canvas {
    display: block;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    background: white;
}

.cert-overlay-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cert-preview-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 1;
    width: 140%;
    color: rgba(128, 128, 128, 0.3);
    font-size: clamp(1.5rem, 3.2vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    text-align: center;
    white-space: normal;
    word-break: keep-all;
    transform: translate(-50%, -50%) rotate(45deg);
    transform-origin: center;
}

/* 오버레이 가림 요소 제거됨 - 더 이상 필요 없음 */

.image-preview-container {
    width: 100%;
    max-height: 600px;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.image-preview {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 푸터 */
.footer {
    background: white;
    padding: 2rem 0;
    margin-top: auto;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.footer-content {
    text-align: center;
    color: var(--text-muted);
}

.footer-content p {
    margin: 0.5rem 0;
}

.footer-info {
    font-size: 0.9rem;
}

.footer-info i {
    color: var(--primary-color);
}

/* 인쇄 스타일 */
@media print {
    @page {
        size: A4;
        margin: 0;
    }

    * {
        visibility: hidden;
    }

    body {
        margin: 0;
        padding: 0;
        background: white;
    }

    /* 미리보기 영역과 그 자식 요소들만 표시 */
    .preview-area,
    .preview-area * {
        visibility: visible !important;
    }

    .preview-area {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 100% !important;
        height: auto !important;
        overflow: visible !important;
        background: white !important;
    }

    /* PDF 래퍼 */
    .pdf-wrapper {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
    }

    /* Canvas 영역 */
    #pdfCanvas {
        max-width: 100% !important;
        height: auto !important;
        page-break-inside: avoid;
    }

    /* 오버레이 레이어 */
    .cert-overlay-layer {
        position: absolute !important;
        pointer-events: none !important;
    }

    /* 버튼 숨기기 */
    .preview-actions {
        display: none !important;
        visibility: hidden !important;
    }

    /* 스크롤바 숨기기 */
    ::-webkit-scrollbar {
        display: none;
    }
}

/* 반응형 디자인 */
@media (max-width: 1200px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }

    .preview-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

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

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

    .logo-title {
        font-size: 1rem;
    }

    .logo i {
        font-size: 2rem;
    }

    .preview-area.active .certificate-template {
        transform: scale(0.5);
    }
    
    /* 헤더 반응형 */
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-info {
        font-size: 0.85rem;
    }
    
    .btn-logout {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .form-section,
    .preview-section {
        padding: 1rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .preview-area.active .certificate-template {
        transform: scale(0.35);
    }
}

/* 로딩 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section,
.preview-section {
    animation: fadeIn 0.5s ease-out;
}
/* Delivery confirmation writer */
.delivery-create-btn {
    margin-right: 8px;
    background: #0f766e;
    color: #fff;
}

.delivery-create-btn:hover {
    background: #115e59;
}

.delivery-modal {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.55);
}

.delivery-modal__panel {
    width: min(1120px, 96vw);
    max-height: 92vh;
    overflow: auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.35);
}

.delivery-modal__header,
.delivery-modal__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    border-bottom: 1px solid #e5e7eb;
}

.delivery-modal__actions {
    justify-content: flex-end;
    border-top: 1px solid #e5e7eb;
    border-bottom: 0;
}

.delivery-modal__header h2 {
    margin: 0;
    font-size: 20px;
    color: #0f172a;
}

.delivery-modal__close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background: #f1f5f9;
    color: #334155;
    cursor: pointer;
}

.delivery-modal__body {
    display: grid;
    grid-template-columns: minmax(320px, 0.8fr) minmax(420px, 1.2fr);
    gap: 24px;
    padding: 24px;
}

.delivery-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.delivery-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 700;
    color: #334155;
}

.delivery-form__wide {
    grid-column: 1 / -1;
}

.delivery-form input,
.delivery-form textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 10px 12px;
    font: inherit;
}

.delivery-preview {
    min-height: 680px;
    padding: 42px;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #111827;
    font-family: "Noto Sans KR", sans-serif;
}

.delivery-preview__title {
    margin-bottom: 30px;
    text-align: center;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 4px;
}

.delivery-preview__meta,
.delivery-preview__footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    font-size: 14px;
}

.delivery-preview__table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 40px;
}

.delivery-preview__table th,
.delivery-preview__table td {
    border: 1px solid #111827;
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
}

.delivery-preview__table th {
    width: 120px;
    background: #f8fafc;
    text-align: center;
}

.delivery-preview__company {
    display: flex;
    min-width: 180px;
    flex-direction: column;
    gap: 10px;
    text-align: right;
}

@media (max-width: 900px) {
    .delivery-modal__body,
    .delivery-form__grid {
        grid-template-columns: 1fr;
    }

    .delivery-preview {
        padding: 24px;
    }
}

.delivery-preview {
    width: 760px;
    min-height: 980px;
    padding: 34px 38px;
    border: 0;
    box-shadow: inset 0 0 0 1px #e5e7eb;
    font-size: 12px;
}

.delivery-preview__top {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    align-items: end;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 3px solid #004080;
}

.delivery-preview__brand {
    color: #004080;
    font-size: 23px;
    font-weight: 900;
}

.delivery-preview__title {
    margin: 0;
    color: #000;
    text-align: center;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: 16px;
}

.delivery-preview__page {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: right;
    color: #334155;
}

.delivery-preview__intro {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 20px;
    margin: 20px 0;
}

.delivery-preview__customer {
    min-height: 130px;
    padding: 28px 16px;
    border: 1px solid #111;
}

.delivery-preview__customer strong {
    display: inline-block;
    margin-bottom: 20px;
    border-bottom: 1px solid #111;
    font-size: 18px;
}

.delivery-preview__customer p {
    margin: 6px 0;
}

.delivery-preview__supplier {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.delivery-preview__supplier th,
.delivery-preview__supplier td {
    border: 1px solid #111;
    padding: 7px 8px;
    text-align: center;
}

.delivery-preview__supplier th {
    background: #f8fafc;
    font-weight: 800;
}

.delivery-preview__seal {
    width: 76px;
    color: #ef4444;
    font-size: 24px;
    font-weight: 900;
}

.delivery-preview__summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 2px solid #111;
    margin: 18px 0 20px;
}

.delivery-preview__summary div {
    padding: 16px 12px;
    text-align: center;
}

.delivery-preview__summary div + div {
    border-left: 1px solid #d1d5db;
}

.delivery-preview__summary span {
    display: block;
    margin-bottom: 8px;
    color: #64748b;
}

.delivery-preview__summary strong {
    color: #004080;
    font-size: 17px;
}

.delivery-preview__items {
    width: 100%;
    border-collapse: collapse;
}

.delivery-preview__items th,
.delivery-preview__items td {
    border: 1px solid #111;
    padding: 9px 8px;
    text-align: center;
}

.delivery-preview__items th {
    background: #004080;
    color: #fff;
    font-weight: 800;
}

.delivery-preview__items td:nth-child(2),
.delivery-preview__items td:nth-child(3),
.delivery-preview__items td:nth-child(6) {
    text-align: left;
}

.delivery-preview__subtotal {
    background: #e3f2fd;
    font-weight: 800;
}

.delivery-preview__terms {
    margin-top: 36px;
    color: #0f172a;
    font-size: 12px;
    line-height: 1.8;
}

.delivery-preview__terms h3 {
    margin: 0 0 10px;
    color: #004080;
    font-size: 15px;
}

.delivery-preview__terms p {
    margin: 3px 0;
}