/* estilo.css */
body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.navbar-custom {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.logo-area {
    max-height: 60px;
    margin: 0 auto;
    display: block;
}
.card-custom {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}
.stat-card.posicao {
    background: linear-gradient(135deg, #2af598 0%, #009efd 100%);
}
.btn-primary-custom {
    background-color: #764ba2;
    border-color: #764ba2;
    color: white;
    padding: 12px;
    font-weight: 600;
}
.btn-primary-custom:hover {
    background-color: #5b3a7d;
    color: white;
}
.ranking-alert {
    border-left: 5px solid #764ba2;
}