:root {
    --cor-fundo: #1e1e2f;
    --cor-texto: #e0e0e0;
    --cor-sidebar: #2a2a3e;
    --cor-border: rgba(255, 255, 255, 0.1);
    --cor-primary: #3b82f6;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
}

#register-container {
    padding: 20px;
}

#register-card {
    background-color: var(--cor-sidebar);
    border: 1px solid var(--cor-border);
    border-radius: 10px;
}

#register-card h2 {
    font-weight: 600;
    font-size: 1.8rem;
}

#register-card .form-label {
    font-weight: 500;
    color: var(--cor-texto);
}

#register-card .form-control {
    background-color: #3a3a4f;
    border: 1px solid var(--cor-border);
    border-radius: 6px;
    color: var(--cor-texto);
}

#register-card .form-control:focus {
    border-color: var(--cor-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

#register-card .btn-success {
    background-color: var(--cor-primary);
    border-color: var(--cor-primary);
    padding: 0.75rem;
    border-radius: 6px;
}

#register-card .btn-success:hover {
    filter: brightness(1.1);
}

#register-card a {
    color: var(--cor-primary);
}

#register-card a:hover {
    text-decoration: none;
}

#register-card .text-danger {
    font-size: 0.9rem;
}