.subir-container {
    max-width: 600px;
    margin: 0 auto;
}

.subir-card {
    border-radius: 12px;
    background-color: #ffffff;
}

.subir-titulo {
    font-size: 1.8rem;
    color: #333;
    font-weight: 600;
}

.subir-label {
    font-weight: 500;
    color: #555;
}

.subir-input {
    border-radius: 6px;
}

.subir-boton {
    border-radius: 6px;
    font-weight: 500;
}

.subir-alerta {
    font-size: 0.95rem;
}