:root {
    --primary-color: #f59e0b;
    --primary-light: #fbbf24;
    --primary-dark: #d97706;
    --secondary-color: #6366f1;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Enhanced Card */
.detail-card {
    background: white;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--gray-100);
}

.detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light), var(--secondary-color));
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
    color: var(--gray-800);
    font-weight: 700;
    font-size: 1.25rem;
    position: relative;
    overflow: hidden;
}

.section-header i {
    margin-right: 1rem;
    font-size: 1.5rem;
    opacity: 0.9;
}

/* Info Cards */
.info-card {
    background: linear-gradient(135deg, var(--gray-50), white);
    border-radius: 1.25rem;
    padding: 2rem;
    border: 2px solid var(--gray-100);
    margin-bottom: 2rem;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.info-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-label i {
    font-size: 1rem;
    color: var(--primary-color);
}

.info-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    padding: 0.75rem 1rem;
    background: white;
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

/* Photo Container */
.photo-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.student-photo {
    width: 280px;
    height: 280px;
    object-fit: cover;
    border-radius: 2rem;
    border: 4px solid white;
    box-shadow: var(--shadow-xl);
    transition: transform 0.2s ease;
}

.student-photo:hover {
    transform: scale(1.02);
}

.photo-placeholder {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 2rem;
    border: 4px solid white;
    box-shadow: var(--shadow-xl);
    color: var(--gray-500);
    font-size: 1.125rem;
    font-weight: 500;
}

.photo-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.student-name {
    text-align: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-lg);
}

.student-name h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.student-id {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Action Buttons */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #8b5cf6);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4f46e5, var(--secondary-color));
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #34d399);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, var(--success-color));
}

.btn-gray {
    background: linear-gradient(135deg, var(--gray-600), var(--gray-700));
    color: white;
}

.btn-gray:hover {
    background: linear-gradient(135deg, var(--gray-700), var(--gray-800));
}

/* QR Code Section */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--gray-50), white);
    border-radius: 1.5rem;
    border: 2px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
}

.qr-code {
    padding: 1rem;
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-100);
    transition: transform 0.2s ease;
}

.qr-code:hover {
    transform: scale(1.02);
}

.qr-code img {
    width: 200px;
    height: 200px;
    border-radius: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .student-photo,
    .photo-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .section-header {
        padding: 1rem 1.5rem;
        font-size: 1.125rem;
    }
}

/* Disable all animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Static styles without animations */
.fade-in {
    opacity: 1;
    transform: translateY(0);
}