* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: #f5f5f5;
    min-height: 100vh;
    padding-bottom: 70px; /* Added padding to prevent content from going under navigation */
}

.top-bg {
    background-image: url("https://tschanoel.com.br/rifas/icones/fundoHead.webp");
    height: 180px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    border-radius: 0 0 30px 30px;
    z-index: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.header {
    color: white;
    text-align: center;
    padding: 10px 0;
}

.header h1 {
    margin-bottom: 10px;
    font-size: 24px;
}

.header p {
margin-bottom: 10px;
    font-size: 16px;
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h2 {
    color: #008374;
    margin-bottom: 15px;
    font-size: 18px;
}

.expense-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.expense-item:last-child {
    border-bottom: none;
}

.chart-container {
    width: 240px;
    height: 260px;
    margin: 10px auto;
    position: relative;
}

.navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    display: flex;
    justify-content: space-around;
    padding: 15px 15px 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000; /* Increased z-index to ensure it's above all content */
}

.nav-item {
    display: block;
    color: #666;
    text-align: center;
    text-decoration: none;
    font-size: 24px;
}

.nav-item.active {
    color: #008374;
}

a {
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .card {
        padding: 15px;
    }

    .top-bg {
        height: 180px;
    }
}