:root {
    --primary-color: #4f46e5;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f9fafb;
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: -0.5px;
}

.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-header {
    background-color: transparent;
    border-bottom: 2px solid #f3f4f6;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: #4338ca;
    border-color: #4338ca;
    transform: translateY(-1px);
}

.form-control {
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
    padding: 0.625rem 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.table {
    background-color: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.table thead th {
    background-color: #f9fafb;
    border-bottom: 2px solid #e5e7eb;
    color: #374151;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.75rem;
}

.alert {
    border-radius: 0.75rem;
    border: none;
    padding: 1rem 1.25rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .card {
        border-radius: 0.75rem;
    }
    
    .table {
        display: block;
        overflow-x: auto;
    }
}

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

main {
    animation: fadeIn 0.3s ease-out;
}