/* Certificate Page Professional Styles */

/* Certificate Layout */
.certificate-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    height: calc(100vh - 200px);
    padding: var(--spacing-lg);
}

.certificate-form-panel {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    overflow-y: auto;
    box-shadow: var(--shadow-sm);
}

.certificate-preview-panel {
    background: var(--background-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.preview-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preview-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* New Professional Certificate Template Styles */
.certificate-template {
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border: 1px solid #e5e7eb;
    position: relative;
}

/* New Certificate Container */
.certificate-container-new {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    min-height: 800px;
    height: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

/* Certificate Border Frame - HTML elements that will be captured in downloads */
.certificate-border-frame {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
}

.border-outer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 8px solid #1e3a8a;
    background: transparent;
}

.border-gold {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border: 4px solid #c89b3f;
    background: transparent;
}

.border-white {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    bottom: 12px;
    border: 6px solid #ffffff;
    background: transparent;
}

.border-inner {
    position: absolute;
    top: 18px;
    left: 18px;
    right: 18px;
    bottom: 18px;
    border: 2px solid #1e3a8a;
    background: transparent;
}

/* Decorative Header Border */
.certificate-header-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 25%, #c89b3f 50%, #3b82f6 75%, #1e3a8a 100%);
    z-index: 2;
}

.certificate-footer-border {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, #1e3a8a 0%, #3b82f6 25%, #c89b3f 50%, #3b82f6 75%, #1e3a8a 100%);
    z-index: 2;
}

.border-pattern-left,
.border-pattern-right {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30%;
    background: linear-gradient(45deg, #1e3a8a, #3b82f6);
}

.border-pattern-left {
    left: 0;
}

.border-pattern-right {
    right: 0;
}

.border-pattern-center {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 30%;
    right: 30%;
    background: linear-gradient(90deg, #3b82f6, #c89b3f, #3b82f6);
}

/* Certificate Content */
.certificate-content-new {
    position: relative;
    z-index: 3;
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: 50px 60px 60px 60px;
    margin-top: 8px;
    margin-bottom: 8px;
}

/* Certificate Header */
.certificate-header-new {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 3px solid #f1f5f9;
    position: relative;
    text-align: center;
}

.logo-container-new {
    margin-bottom: 15px;
}

.institute-logo-new {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: #ffffff;
    padding: 8px;
    border: 3px solid #c89b3f;
}

.institute-details-new {
    text-align: center;
    position: relative;
    width: 100%;
}

.institute-name-new {
    font-family: 'Playfair Display', serif;
    font-size: 3.2rem;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0 0 8px 0;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.institute-subtitle-new {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0;
}

.certificate-seal {
    position: absolute;
    top: -15px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, #c89b3f 0%, #b8860b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(200, 155, 63, 0.3);
}

.seal-inner {
    color: #ffffff;
    font-size: 1.2rem;
}

/* Certificate Title */
.certificate-title-new {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 25px 0 35px 0;
    position: relative;
}

.title-ornament-left,
.title-ornament-right {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c89b3f, transparent);
    margin: 0 25px;
    position: relative;
}

.title-ornament-left::before,
.title-ornament-right::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #c89b3f;
    border-radius: 50%;
}

.certificate-type-new {
    font-family: 'Playfair Display', serif;
    font-size: 3.2rem;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    background: transparent;
}

/* Certificate Body */
.certificate-body-new {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0;
}

/* Presentation Text Styles */
.presentation-text {
    font-family: 'Crimson Text', serif;
    font-size: 1.8rem;
    color: #475569;
    font-style: italic;
    margin: 0;
    font-weight: 600;
}

.presentation-subtext {
    font-family: 'Crimson Text', serif;
    font-size: 1.6rem;
    color: #64748b;
    font-style: italic;
    margin: 0;
    font-weight: 500;
}

.course-text {
    font-family: 'Crimson Text', serif;
    font-size: 1.7rem;
    color: #475569;
    margin: 0;
    line-height: 1.6;
    font-style: italic;
}

.completion-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.5rem;
    color: #64748b;
    margin: 0;
    font-style: italic;
    font-weight: 500;
}

.presentation-section-new {
    margin-bottom: 25px;
}

.presentation-text-new {
    font-family: 'Crimson Text', serif;
    font-size: 1.4rem;
    color: #475569;
    font-style: italic;
    margin: 0;
}

.student-section-new {
    margin: 20px 0 25px 0;
}

.student-name-container-new {
    position: relative;
}

.student-name-new {
    font-family: 'Playfair Display', serif;
    font-size: 4.8rem;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.1;
    position: relative;
}

.name-decoration-new {
    width: 250px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #c89b3f, transparent);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.name-decoration-new::before,
.name-decoration-new::after {
    content: '';
    position: absolute;
    top: -2px;
    width: 8px;
    height: 8px;
    background: #c89b3f;
    border-radius: 50%;
}

.name-decoration-new::before {
    left: 20px;
}

.name-decoration-new::after {
    right: 20px;
}

.achievement-section-new {
    margin: 25px 0 20px 0;
}

.achievement-text-new {
    font-family: 'Crimson Text', serif;
    font-size: 1.3rem;
    color: #475569;
    margin: 0;
    line-height: 1.6;
}

.course-section-new {
    margin: 20px 0 25px 0;
}

.course-name-container-new {
    position: relative;
}

.course-name-new {
    font-family: 'Playfair Display', serif;
    font-size: 3.6rem;
    font-weight: 600;
    color: #1e3a8a;
    margin: 0 0 12px 0;
    font-style: italic;
    line-height: 1.3;
}

.course-decoration-new {
    width: 180px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #64748b, transparent);
    margin: 0 auto;
    border-radius: 1px;
}

.completion-section-new {
    margin-top: 20px;
}

.completion-text-new {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.1rem;
    color: #64748b;
    margin: 0;
    font-style: italic;
    font-weight: 500;
}

/* Certificate Footer */
.certificate-footer-new {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 35px;
    padding-top: 25px;
    border-top: 3px solid #f1f5f9;
}

.signature-area-new {
    flex: 1;
    display: flex;
    justify-content: flex-start;
}

.signature-block-new {
    text-align: center;
}

.signature-img-new {
    width: 120px;
    height: auto;
    margin-bottom: 12px;
    filter: contrast(1.3) brightness(0.8);
}

.signature-line-new {
    width: 140px;
    height: 2px;
    background: #64748b;
    margin: 0 auto 10px auto;
}

.signatory-info-new {
    text-align: center;
}

.signatory-name-new {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: #1e3a8a;
    margin: 0 0 4px 0;
}

.signatory-title-new {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.3rem;
    color: #64748b;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.certificate-info-new {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    min-width: 200px;
}

.info-item-new {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    white-space: nowrap;
}

.info-label-new {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 8px;
}

.info-value-new {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.85rem;
    color: #1e3a8a;
    font-weight: 600;
}

/* Background Watermark */
.certificate-watermark-new {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0.02;
    pointer-events: none;
}

.watermark-img-new {
    width: 400px;
    height: 400px;
    object-fit: contain;
}

/* Form Container Styles */
.form-container {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.form-container h3 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.form-container p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
}

/* Card Styles */
.card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

/* Professional Form Overrides for Certificate Page */
.certificate-form-panel .professional-form .form-group input,
.certificate-form-panel .professional-form .form-group select {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--surface-color);
    transition: all 0.2s ease;
}

.certificate-form-panel .professional-form .form-group input:focus,
.certificate-form-panel .professional-form .form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
    outline: none;
}

.certificate-form-panel .professional-form .form-actions button {
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .certificate-layout {
        grid-template-columns: 1fr;
        height: auto;
        gap: var(--spacing-lg);
    }
    
    .certificate-preview-panel {
        order: -1;
        min-height: 500px;
    }
    
    .certificate-form-panel {
        padding: var(--spacing-lg);
    }
    
    .certificate-container {
        padding: 30px;
        min-height: 500px;
    }
    
    .institute-name {
        font-size: 1.75rem;
    }
    
    .certificate-title {
        font-size: 1.5rem;
    }
    
    .student-name {
        font-size: 2rem;
    }
    
    .course-name {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .certificate-layout {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .certificate-form-panel,
    .certificate-preview-panel {
        padding: var(--spacing-md);
    }
    
    .certificate-template {
        min-height: 300px;
    }
    
    .certificate-theme-border {
        border-width: 4px;
        min-height: 300px;
    }
    
    .theme-content-area {
        padding: var(--spacing-lg);
    }
    
    .certificate-header-professional h1 {
        font-size: 1.25rem;
    }
    
    .student-name-professional {
        font-size: 1.5rem;
    }
    
    .course-name-professional {
        font-size: 1.25rem;
    }
    
    .certificate-type-professional {
        font-size: 1rem;
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
    
    .form-container h3 {
        font-size: 1.25rem;
    }
    
    .preview-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .preview-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .certificate-layout {
        padding: var(--spacing-sm);
    }
    
    .certificate-form-panel,
    .certificate-preview-panel {
        padding: var(--spacing-sm);
    }
    
    .form-container {
        padding: var(--spacing-md);
    }
    
    .theme-content-area {
        padding: var(--spacing-md);
    }
    
    .certificate-header-professional h1 {
        font-size: 1.125rem;
    }
    
    .student-name-professional {
        font-size: 1.25rem;
    }
    
    .course-name-professional {
        font-size: 1.125rem;
    }
    
    .certificate-type-professional {
        font-size: 0.875rem;
    }
    
    .presentation-text-professional,
    .completion-details-professional {
        font-size: 0.875rem;
    }
    
    .signatory-name-professional {
        font-size: 0.75rem;
    }
    
    .signatory-title-professional,
    .student-id-professional {
        font-size: 0.6875rem;
    }
}

/* Print Styles */
@media print {
    .certificate-template {
        width: 100% !important;
        height: 100vh !important;
        margin: 0 !important;
        padding: 0 !important;
        box-shadow: none !important;
        border: none !important;
        page-break-after: avoid !important;
        page-break-inside: avoid !important;
        background: white !important;
    }
    
    .certificate-theme-border {
        border: 4px solid #c89b3f !important;
        padding: 2rem !important;
        background: white !important;
        margin: 0 !important;
        min-height: 90vh !important;
    }
    
    .theme-content-area {
        background: white !important;
        padding: 2rem !important;
    }
    
    * {
        -webkit-print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    
    body {
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
    }
    
    .certificate-form-panel,
    .preview-header,
    .preview-actions {
        display: none !important;
    }
    
    .certificate-preview-panel {
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        background: white !important;
        height: 100vh !important;
        width: 100% !important;
    }
}

/* PDF Generation Specific Styles */
.certificate-template img {
    max-width: 100% !important;
    height: auto !important;
    image-rendering: -webkit-optimize-contrast !important;
    image-rendering: crisp-edges !important;
    image-rendering: pixelated !important;
    -webkit-backface-visibility: hidden !important;
    backface-visibility: hidden !important;
    -webkit-transform: translateZ(0) !important;
    transform: translateZ(0) !important;
}

.professional-logo {
    max-width: 120px !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto 16px !important;
    image-rendering: -webkit-optimize-contrast !important;
    image-rendering: crisp-edges !important;
    -webkit-filter: contrast(1.1) brightness(1.05) !important;
    filter: contrast(1.1) brightness(1.05) !important;
}

.signature-image-professional {
    max-width: 100px !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto 8px !important;
    image-rendering: -webkit-optimize-contrast !important;
    image-rendering: crisp-edges !important;
    -webkit-filter: contrast(1.2) brightness(0.9) !important;
    filter: contrast(1.2) brightness(0.9) !important;
}

/* Enhanced text rendering for PDF */
.certificate-template * {
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility !important;
}

/* Ensure proper background for PDF */
.certificate-template,
.certificate-theme-border,
.theme-content-area {
    background-color: #ffffff !important;
    background-image: none !important;
}

/* Animation for certificate generation */
@keyframes certificateGenerate {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.certificate-template.generating {
    animation: certificateGenerate 0.5s ease-out;
}

/* Notification styles specific to certificate page */
.certificate-notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--success-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.certificate-notification.show {
    transform: translateX(0);
}

.certificate-notification.error {
    background: var(--error-color);
}

.certificate-notification.info {
    background: var(--primary-color);
}

/* Loading state */
.certificate-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.certificate-loading i {
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-sm);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Certificate preview placeholder */
.certificate-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    font-size: 1.125rem;
    text-align: center;
    padding: var(--spacing-xl);
}

.certificate-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--border-color);
}/* 
Bulk Certificate Upload Styles */
.bulk-upload-section {
    margin-top: 20px;
}

.upload-instructions ul {
    list-style-type: none;
    padding-left: 0;
}

.upload-instructions li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.upload-instructions li:last-child {
    border-bottom: none;
}

.file-upload-container {
    position: relative;
}

.upload-dropzone {
    border: 2px dashed #3498db;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.upload-dropzone:hover {
    border-color: #2980b9;
    background: #e3f2fd;
}

.upload-dropzone.dragover {
    border-color: #27ae60;
    background: #e8f5e8;
}

.upload-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 15px;
}

.upload-text p {
    margin: 5px 0;
    color: #2c3e50;
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #e8f5e8;
    border: 1px solid #27ae60;
    border-radius: 8px;
    margin-top: 15px;
}

.file-details {
    display: flex;
    align-items: center;
    flex: 1;
}

.btn-remove {
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.btn-remove:hover {
    background: #c0392b;
}

.bulk-actions {
    text-align: center;
}

.progress-container {
    max-width: 400px;
    margin: 0 auto;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #27ae60);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 14px;
    color: #2c3e50;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .certificate-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .upload-dropzone {
        padding: 30px 15px;
    }
    
    .upload-icon {
        font-size: 36px;
    }
}/* Profes
sional Certificate Layout Redesign */
.professional-certificate-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 1.5rem;
    max-width: 100%;
}

/* Certificate Details Section (Top) */
.certificate-details-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* Single Certificate Card */
.single-certificate-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.single-certificate-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Bulk Certificate Card */
.bulk-certificate-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.bulk-certificate-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Card Headers */
.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f3f4;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

.header-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.header-content h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Professional Certificate Form */
.professional-certificate-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

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

.professional-certificate-form .form-group label i {
    color: var(--primary-color);
    width: 16px;
}

.professional-certificate-form .form-group input,
.professional-certificate-form .form-group select {
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: white;
}

.professional-certificate-form .form-group input:focus,
.professional-certificate-form .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

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

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* Bulk Upload Area */
.bulk-upload-area {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.upload-instructions h4 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upload-instructions h4 i {
    color: var(--primary-color);
}

.format-requirements {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.requirement-item .column {
    font-weight: 600;
    color: var(--primary-color);
    min-width: 80px;
}

.requirement-item .description {
    color: var(--text-secondary);
}

.btn-sample {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
}

.btn-sample:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* File Upload Section */
.file-upload-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.upload-dropzone {
    border: 2px dashed #cbd5e0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.upload-dropzone:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.upload-dropzone.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.upload-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-details i {
    font-size: 1.5rem;
    color: #059669;
}

.file-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
}

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

.btn-remove {
    padding: 0.5rem;
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-remove:hover {
    background: #dc2626;
    color: white;
}

.bulk-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.progress-container {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1rem;
    border: 1px solid #e2e8f0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.progress-info span {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Certificate Preview Section (Bottom) */
.certificate-preview-section {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f3f4;
    position: relative;
}

.preview-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

.preview-title h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preview-title h3 i {
    color: var(--primary-color);
}

.preview-title p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.preview-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-action {
    padding: 0.75rem 1rem;
    background: white;
    color: var(--text-primary);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.btn-action:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.certificate-preview-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
}

.certificate-template {
    max-width: 100%;
    transform: scale(0.8);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.certificate-template:hover {
    transform: scale(0.85);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .details-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certificate-template {
        transform: scale(0.7);
    }
}

@media (max-width: 768px) {
    .professional-certificate-layout {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .certificate-details-section,
    .certificate-preview-section {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .preview-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-action {
        justify-content: center;
    }
    
    .certificate-template {
        transform: scale(0.6);
    }
    
    .certificate-preview-container {
        min-height: 400px;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .certificate-template {
        transform: scale(0.5);
    }
    
    .certificate-preview-container {
        min-height: 300px;
    }
    
    .preview-title h3 {
        font-size: 1.25rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .header-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}/* 
Fullscreen Modal Styles */
.fullscreen-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.fullscreen-overlay {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.fullscreen-content {
    background: white;
    border-radius: 20px;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.fullscreen-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.fullscreen-close {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.fullscreen-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.fullscreen-certificate {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: auto;
}

.fullscreen-certificate .certificate-container-new {
    transform: scale(1);
    max-width: 100%;
    max-height: 100%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Certificate Notification Styles */
.certificate-notification {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.certificate-notification .notification-content {
    font-size: 0.95rem;
}

.certificate-notification .notification-content i {
    font-size: 1.1rem;
}

/* Enhanced Button Hover Effects */
.btn-primary:active {
    transform: translateY(0);
}

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

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

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

/* Loading States */
.btn-primary.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-primary.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Enhanced Focus States */
.professional-certificate-form .form-group input:focus,
.professional-certificate-form .form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Improved Accessibility */
.btn-primary:focus,
.btn-secondary:focus,
.btn-outline:focus,
.btn-action:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .fullscreen-modal {
        position: static;
        background: white;
    }
    
    .fullscreen-overlay {
        background: white;
        padding: 0;
    }
    
    .fullscreen-header {
        display: none;
    }
    
    .fullscreen-certificate {
        background: white;
        padding: 0;
    }
    
    .certificate-container-new {
        transform: none !important;
        box-shadow: none !important;
    }
}/* Art
 Deco Certificate Design */
.art-deco-certificate {
    width: 100%;
    height: 100%;
    background: #f8f8f8;
    position: relative;
    padding: 60px;
    box-sizing: border-box;
    font-family: 'Playfair Display', serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}

/* Certificate Borders */
.certificate-outer-border {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid #2c3e50;
    z-index: 1;
}

.certificate-inner-border {
    position: absolute;
    top: 35px;
    left: 35px;
    right: 35px;
    bottom: 35px;
    border: 1px solid #2c3e50;
    z-index: 1;
}

/* Top Art Deco Ornament */
.top-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 30px;
    z-index: 2;
    position: relative;
}

.ornament-left,
.ornament-right {
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #d4af37, transparent);
    position: relative;
}

.ornament-left::before,
.ornament-right::before {
    content: '';
    position: absolute;
    top: -8px;
    width: 16px;
    height: 16px;
    background: #d4af37;
    transform: rotate(45deg);
}

.ornament-left::before {
    right: 10px;
}

.ornament-right::before {
    left: 10px;
}

.ornament-center {
    margin: 0 20px;
    position: relative;
}

.center-diamond {
    width: 40px;
    height: 40px;
    background: #d4af37;
    transform: rotate(45deg);
    position: relative;
    border: 2px solid #b8941f;
}

.center-diamond::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    width: 20px;
    height: 20px;
    background: #f8f8f8;
    border: 1px solid #d4af37;
}

.center-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
}

.center-lines::before,
.center-lines::after {
    content: '';
    position: absolute;
    background: #d4af37;
}

.center-lines::before {
    top: 50%;
    left: -20px;
    right: -20px;
    height: 1px;
    transform: translateY(-50%);
}

.center-lines::after {
    left: 50%;
    top: -20px;
    bottom: -20px;
    width: 1px;
    transform: translateX(-50%);
}

/* Certificate Title Section */
.certificate-title-section {
    margin-bottom: 40px;
    z-index: 2;
    position: relative;
}

.certificate-main-title {
    font-size: 48px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 10px 0;
    letter-spacing: 8px;
    font-family: 'Playfair Display', serif;
}

.title-underline {
    width: 200px;
    height: 3px;
    background: #d4af37;
    margin: 0 auto 15px;
    position: relative;
}

.title-underline::before,
.title-underline::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    background: #d4af37;
    border-radius: 50%;
    transform: translateY(-50%);
}

.title-underline::before {
    left: -15px;
}

.title-underline::after {
    right: -15px;
}

.certificate-type-new {
    font-size: 24px;
    font-weight: 400;
    color: #2c3e50;
    margin: 0;
    letter-spacing: 4px;
    font-family: 'Playfair Display', serif;
}

/* Presentation Section */
.presentation-section {
    margin-bottom: 50px;
    z-index: 2;
    position: relative;
}

.presentation-text {
    font-size: 14px;
    color: #5a6c7d;
    margin: 0 0 5px 0;
    letter-spacing: 2px;
    font-weight: 400;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.presentation-subtext {
    font-size: 14px;
    color: #5a6c7d;
    margin: 0;
    letter-spacing: 2px;
    font-weight: 400;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Student Name Section */
.student-name-section {
    margin-bottom: 30px;
    z-index: 2;
    position: relative;
}

.student-name-new {
    font-size: 42px;
    font-weight: 400;
    color: #2c3e50;
    margin: 0 0 15px 0;
    font-family: 'Playfair Display', serif;
    font-style: italic;
    line-height: 1.2;
}

.name-underline {
    width: 400px;
    height: 1px;
    background: #2c3e50;
    margin: 0 auto;
    position: relative;
}

/* Institute Section */
.institute-section {
    margin-bottom: 40px;
    z-index: 2;
    position: relative;
}

.institute-name-new {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    letter-spacing: 1px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    text-transform: uppercase;
}

/* Course Description */
.course-description {
    margin-bottom: 60px;
    z-index: 2;
    position: relative;
    max-width: 600px;
}

.course-text {
    font-size: 16px;
    color: #5a6c7d;
    margin: 0 0 20px 0;
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.course-name-new {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 20px 0;
    font-family: 'Playfair Display', serif;
    font-style: italic;
}

.completion-text {
    font-size: 16px;
    color: #5a6c7d;
    margin: 0;
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Signature Section */
.signature-section {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 500px;
    margin-bottom: 40px;
    z-index: 2;
    position: relative;
}

.signature-left,
.signature-right {
    text-align: center;
    flex: 1;
}

.signature-line {
    width: 150px;
    height: 1px;
    background: #2c3e50;
    margin: 0 auto 10px;
}

.signature-info {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.signatory-name-new {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 2px 0;
    letter-spacing: 1px;
}

.signatory-title-new {
    font-size: 12px;
    color: #7b8a8b;
    margin: 0;
    font-weight: 400;
}

/* Bottom Art Deco Ornament */
.bottom-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    z-index: 2;
    position: relative;
}

.ornament-left-bottom,
.ornament-right-bottom {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #d4af37, transparent);
    position: relative;
}

.ornament-left-bottom::before,
.ornament-right-bottom::before {
    content: '';
    position: absolute;
    top: -6px;
    width: 12px;
    height: 12px;
    background: #d4af37;
    transform: rotate(45deg);
}

.ornament-left-bottom::before {
    right: 8px;
}

.ornament-right-bottom::before {
    left: 8px;
}

.ornament-center-bottom {
    margin: 0 15px;
    position: relative;
}

.center-diamond-bottom {
    width: 30px;
    height: 30px;
    background: #d4af37;
    transform: rotate(45deg);
    position: relative;
    border: 1px solid #b8941f;
}

.center-diamond-bottom::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    width: 15px;
    height: 15px;
    background: #f8f8f8;
}

.center-lines-bottom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
}

.center-lines-bottom::before,
.center-lines-bottom::after {
    content: '';
    position: absolute;
    background: #d4af37;
}

.center-lines-bottom::before {
    top: 50%;
    left: -15px;
    right: -15px;
    height: 1px;
    transform: translateY(-50%);
}

.center-lines-bottom::after {
    left: 50%;
    top: -15px;
    bottom: -15px;
    width: 1px;
    transform: translateX(-50%);
}

/* Background Watermark */
.certificate-watermark {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.03;
}

.watermark-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background-image: 
        radial-gradient(circle at center, #2c3e50 2px, transparent 2px),
        radial-gradient(circle at 25% 25%, #d4af37 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, #d4af37 1px, transparent 1px);
    background-size: 40px 40px, 60px 60px, 60px 60px;
    background-position: 0 0, 15px 15px, 45px 45px;
    opacity: 0.5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .art-deco-certificate {
        padding: 40px 30px;
    }
    
    .certificate-main-title {
        font-size: 36px;
        letter-spacing: 4px;
    }
    
    .student-name-new {
        font-size: 32px;
    }
    
    .name-underline {
        width: 300px;
    }
    
    .signature-section {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .ornament-left,
    .ornament-right {
        width: 80px;
    }
}