body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-page {
    height: 100vh;
    display: flex;
    align-items: center;
}

.login-container {
    max-width: 400px;
    width: 100%;
    padding: 20px;
}

.sidebar {
    min-height: 100vh;
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
}

.sidebar .nav-link {
    color: #333;
    padding: 0.8rem 1rem;
    border-radius: 0.25rem;
    margin: 0.2rem 0;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: #e9ecef;
    color: #0d6efd;
}

.dashboard-card {
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: transform 0.2s;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.income-color {
    color: #198754;
}

.expense-color {
    color: #dc3545;
}

.icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(13, 110, 253, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.table th {
    border-top: none;
    font-weight: 600;
}

@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid #dee2e6;
    }
    
    .login-container {
        padding: 10px;
    }
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}