/* Estilo general del cuerpo */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #00796b;
    color: #333;
}

/* Contenedor principal */
#control-costos {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Títulos */
h3 {
    margin-top: 0;
    font-size: 28px;
    color: #2a9d8f;
    border-bottom: 2px solid #2a9d8f;
    padding-bottom: 10px;
}

/* Estilo del formulario */
#cost-form {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
}

#cost-form input,
#cost-form select,
#cost-form button {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    margin-bottom: 10px;
}

#cost-form input[type="text"],
#cost-form input[type="number"] {
    flex: 1 1 calc(33.333% - 22px);
    max-width: 100%;
}

#cost-form select {
    flex: 1 1 calc(33.333% - 22px);
    max-width: 100%;
}

#cost-form button {
    background-color: #2a9d8f;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#cost-form button:hover {
    background-color: #21867a;
}

/* Estilo de la lista de costos */
#cost-list {
    margin-bottom: 20px;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #ffffff;
    margin-bottom: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.cost-item span {
    flex: 1;
}

.cost-item .description {
    font-weight: bold;
    color: #2a9d8f;
}

.cost-item .amount {
    text-align: right;
    color: #333;
}

/* Botones generales */
button {
    padding: 12px 20px;
    margin-top: 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

button:hover {
    background-color: #21867a;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Resultado de finanzas */
#resultado-finanzas {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    color: #333;
}