/* Estilos globales */
body {
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

/* Header */
header {
    background-color: #3b519b;
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 1000;
}
header img {
    height: 40px;
}

/* Footer */
footer {
    background-color: #3b519b;
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    z-index: 9;
}
footer img {
    height: 30px;
    margin-left: 10px;
}

/* Main content */
main {
    padding: 80px 20px 80px 20px; /* espacio por header y footer */
}

/* Secciones de contenido */
.section-box {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* Login */
.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    overflow: hidden;
    margin: 100px auto;
}
.login-header {
    background-color: #3b519b;
    padding: 1rem;
    text-align: center;
}
.login-header img {
    display: block;
    margin: 0 auto;
    width: 80%;
}
.login-body {
    background-color: white;
    padding: 2rem;
}
.btn-login {
    background-color: #3b519b;
    border-color: #3b519b;
    color: white;
}
.btn-login:hover {
    background-color: #2e3f84;
    border-color: #2e3f84;
}