/* Certificate System Styles */

/* Certificates Grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Certificate Card */
.certificate-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    opacity: 0;
    transition: opacity 0.3s;
}

.certificate-card:hover {
    transform: translateY(-4px);
    border-color: rgba(251, 191, 36, 0.4);
    box-shadow: 0 12px 40px rgba(251, 191, 36, 0.2);
}

.certificate-card:hover::before {
    opacity: 1;
}

.certificate-card.locked {
    opacity: 0.6;
}

.certificate-card.locked:hover {
    transform: none;
    box-shadow: none;
}

.certificate-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 24px rgba(251, 191, 36, 0.3);
}

.certificate-card.locked .certificate-icon {
    background: var(--bg-secondary);
    box-shadow: none;
}

.certificate-card.locked .certificate-icon i {
    color: var(--text-tertiary);
}

.certificate-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 0.5rem;
}

.certificate-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.certificate-requirements {
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.requirement-item i {
    font-size: 1.125rem;
}

.requirement-item.completed i {
    color: #10b981;
}

.requirement-item.incomplete i {
    color: var(--text-tertiary);
}

.certificate-progress {
    margin-bottom: 1.5rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.progress-label-text {
    color: var(--text-secondary);
}

.progress-label-value {
    color: var(--color-purple-500);
}

.progress-bar-container {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    transition: width 0.3s;
}

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

.cert-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.3s;
}

.cert-btn-primary {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.cert-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(251, 191, 36, 0.4);
}

.cert-btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.cert-btn-secondary:hover:not(:disabled) {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.4);
}

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

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    backdrop-filter: blur(20px);
    animation: slideUp 0.3s;
}

.modal-content.modal-large {
    max-width: 1100px;
}

.modal-content.modal-large .modal-body {
    max-height: 80vh;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.name-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

.name-input:focus {
    outline: none;
    border-color: var(--color-purple-500);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-purple-500), var(--color-blue-500));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(147, 51, 234, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(147, 51, 234, 0.1);
    border-color: var(--color-purple-500);
}

/* Modern Certificate Template Styles */
.certificate.modern {
    width: 1000px;
    height: 700px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Background Pattern */
.cert-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    pointer-events: none;
}

.cert-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(147, 51, 234, 0.4), transparent);
    filter: blur(60px);
}

.cert-circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -200px;
}

.cert-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    right: -150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4), transparent);
}

.cert-circle-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(147, 51, 234, 0.2), transparent);
}

.cert-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(147, 51, 234, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(147, 51, 234, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Top Gradient Bar */
.cert-gradient-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #9333ea 0%, #3b82f6 50%, #9333ea 100%);
}

/* Content Container */
.cert-content {
    position: relative;
    z-index: 1;
    padding: 3rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Header */
.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

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

.cert-logo-circle {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-logo-circle i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #9333ea, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-brand-name {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #9333ea, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-brand-subtitle {
    font-size: 0.875rem;
    color: #94a3b8;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(147, 51, 234, 0.1);
    border: 1px solid rgba(147, 51, 234, 0.3);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.cert-badge i {
    font-size: 1.125rem;
    background: linear-gradient(135deg, #9333ea, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cert-badge span {
    font-size: 0.75rem;
    color: #cbd5e1;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Main Content */
.cert-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    position: relative;
}

.cert-ornament-top,
.cert-ornament-bottom {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #9333ea, #3b82f6, transparent);
    margin: 0 auto 1.5rem;
}

.cert-ornament-bottom {
    margin: 1.5rem auto 0;
}

.cert-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.cert-subtitle {
    font-size: 1.125rem;
    color: #94a3b8;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.cert-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #9333ea, #3b82f6);
    margin: 0 auto 2rem;
}

.cert-intro {
    font-size: 0.9375rem;
    color: #cbd5e1;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.cert-name-container {
    margin: 1.5rem 0;
}

.cert-name {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #9333ea, #3b82f6, #9333ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    font-family: 'Playfair Display', serif;
}

.cert-name-underline {
    width: 300px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #9333ea, #3b82f6, transparent);
    margin: 0 auto;
}

.cert-description {
    font-size: 0.9375rem;
    color: #cbd5e1;
    line-height: 1.8;
    max-width: 700px;
    margin: 2rem auto;
}

.cert-score-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 50px;
    margin-top: 1rem;
}

.cert-score-badge i {
    color: #fbbf24;
    font-size: 1.125rem;
}

.cert-score-badge span {
    color: #fbbf24;
    font-weight: 600;
    font-size: 0.9375rem;
}

/* Footer */
.cert-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.cert-footer-item {
    text-align: center;
}

.cert-footer-label {
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.375rem;
}

.cert-footer-value {
    font-size: 0.875rem;
    color: #e2e8f0;
    font-weight: 700;
}

.cert-footer-divider {
    width: 1px;
    height: 30px;
    background: rgba(148, 163, 184, 0.2);
}

/* Verification Badge */
.cert-verification {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 50px;
}

.cert-verification i {
    color: #10b981;
    font-size: 1rem;
}

.cert-verification span {
    color: #10b981;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Modern Seal */
.cert-seal-modern {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    width: 120px;
    height: 120px;
}

.cert-seal-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #9333ea, #3b82f6, #9333ea, #3b82f6, #9333ea);
    animation: rotate 10s linear infinite;
}

/* Fallback for browsers that don't support conic-gradient */
@supports not (background: conic-gradient(red, blue)) {
    .cert-seal-ring {
        background: linear-gradient(135deg, #9333ea, #3b82f6);
    }
}

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

.cert-seal-icon {
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-seal-icon i {
    font-size: 3rem;
    background: linear-gradient(135deg, #9333ea, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Progress Summary */
.progress-summary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.summary-item {
    text-align: center;
}

.summary-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-purple-500), var(--color-blue-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .certificate.modern {
        transform: scale(0.5);
        transform-origin: top center;
    }

    .modal-content.modal-large {
        max-width: 100%;
    }

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

@media (max-width: 1100px) and (min-width: 769px) {
    .certificate.modern {
        transform: scale(0.7);
        transform-origin: top center;
    }
}