body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    color: #9ca3af;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #dc2626;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #dc2626;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.btn-primary {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #dc2626;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid #dc2626;
}

.btn-secondary:hover {
    background: #dc2626;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);
}

.hero-section {
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.8) 0%, rgba(26, 26, 26, 1) 100%);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(220, 38, 38, 0.2);
}

input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.alert {
    animation: slideIn 0.3s ease;
}

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

table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }
    
    .nav-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
}